2006 Honda Civic

Note to Reader
The Overview section provides a top-line
summary of all major technologies.
Subsequent sections provide greater detail.
2006 Honda Civic
Press Information
“An Extreme Transformation of Design and Dynamics”





Civic Sedan Concept Illustration
Civic Coupe Concept Illustration
Overview
The Honda Civic is the cornerstone of Honda and its automotive heritage, earning recognition and
acclaim as an icon in the automotive industry since its introduction in 1973. The Civic represents the
first high volume production automobile that showcased Honda’s spirit of innovation to a North
American audience ready for something new. Cumulatively, Civic has reached 16 million customers
globally and 7 million in the United States, where it has been the best selling retail compact car for
the past nine years. The Civic was the seventh best selling vehicle overall in 2004 and third best
selling passenger car. If the Civic were its own individual brand, annual sales in excess of 300,000
would make it the 13th top selling brand in the United States out of more than 40 possible brands1.

As the Civic has been re-invented throughout its previous seven generations, each new model has
consistently set new standards in the automotive industry with its innovative packaging, attractive
styling, high fuel economy, low emissions, fun-to-drive performance, reliability and safety. The
pioneering eighth generation 2006 model amplifies the defining character of the Civic with a long list
of Honda technology and engineering innovations, resulting in a vehicle that is pure Honda,
exclusively Civic and outside the boundaries of traditional small car thinking.

The 2006 Civic represents an extreme transformation of design and dynamics. Multiple powertrains
for 2006 range from 197-horsepower2 high performance to 50 mpg gas-sipping hybrid to an all-
around performer with two body styles, representing one of the most diverse vehicles in the
industry. An expressive and futuristic design with exciting performance and a dedication to
providing advanced safety technology set the Civic apart from the competition.

2006 Civic Highlights
Four completely-redesigned models include the Civic Si Coupe, an ultra-efficient Civic Hybrid
sedan, and well-equipped and technologically-advanced Civic Sedan and Civic Coupe
Advanced safety systems include Honda-exclusive Advanced Compatibility Engineering™
(ACE)™ Body Structure for vehicle-to-vehicle crash compatibility and collision energy
management, and a long list of standard safety equipment including side curtain airbags, driver’s
and front passenger’s side airbags, and anti-lock braking
Expressive exterior styling exhibits sporty character and refined presence
Interior delivers more style and function than any other vehicle in segment

1 2004 data
2 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004.
2006 Honda Civic
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Overview

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New powertrain technologies include a new, even more intelligent i-VTEC engine with
advanced valve control, and a fourth generation IMA Civic Hybrid powertrain that delivers
higher performance and improved fuel economy with lower emissions
New Technology and Features
Some vehicles in the compact segment can provide fun-to-drive performance, or safety, or
environmental performance; but only the Civic can deliver all of these traits simultaneously along
with value, style and sophistication – with models custom tailored for a performance enthusiast, a
technology enthusiast and a mainstream buyer.

All Models
New exterior styling features a one-motion profile with an ultra-fast windshield rake,
minimal front and rear overhangs and reduced gap between the tires and fenders
Interior styling and functionality increased with two-tier instrument panel, improved seating
areas and multi-functional center console
Advanced Compatibility Engineering (ACE) Body Structure
Standard front, front side and side curtain airbags
Active front seat head restraints
Standard 4-channel Advanced Logic ABS with Electronic Brake Distribution
Honda Satellite-Linked Navigation System with Voice Recognition (available on Si, Hybrid
and EX)
XM® Satellite Radio (available on Si, Hybrid and EX)
Front MacPherson strut suspension with enhanced geometry
Compact multi-link double wishbone rear suspension with enhanced geometry
Sedan and coupe each have a unique wheelbase and exterior dimensions
Drive-by-Wire throttle control on all models
Tilt and telescoping steering wheel

Civic Si Coupe
2.0-liter i-VTEC™ 4-cylinder engine
197-horsepower3 @ 7800 rpm and 139 lb-ft. torque3 @ 6200 rpm
6-speed manual transmission with helical-type limited slip differential
Exclusive exterior includes rear deck wing, aero cladding and Si badging
Exclusive interior with deeply bolstered seats, red fabric stitching and unique trim panels
Standard 17-inch alloy wheels with 215/45 R17 87V tires (summer tire available)

Civic Hybrid Sedan
1.3-liter i-VTEC 4-cylinder engine with 15 Kilowatt electric motor
110-horsepower3 @ 6000 rpm and 123 lb-ft. torque3 @ 1000-2500 rpm
New lighter, more powerful and efficient Integrated Motor Assist (IMA) system with greatly
enhanced energy regeneration capability and electric-only operation
Continuously Variable Transmission (CVT) as standard equipment
50/50 mpg city/highway4
AT-PZEV emissions
Exclusive interior styling includes IMA instrument panel meters and two-tone seating
surfaces


3 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004.
4 Fuel economy values determined from manufacturer test results. Official 2006 EPA mileage estimates not available at
time of printing. Mileage figures shown for comparison purposes only. Actual mileage may vary.
2006 Honda Civic
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Overview

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Civic Sedan and Coupe
All-new 1.8-liter i-VTEC 4-cylinder engine with advanced valve control technology
140 horsepower @ 6300 rpm and 128 lb-ft. torque @ 4300 rpm 5
30/40 mpg city/highway (automatic transmission)6
ULEV-2 emissions in all 50 states
5-speed automatic transmission available (standard 5-speed manual)

The Civic Enters a New Dimension
The Civic has always offered industry-leading features designed to reward customers with fun-to-
drive performance, efficient and environmentally friendly operation and enhanced safety, and the
2006 model goes further than any Civic before it. The first noticeable difference is that both Civic
Sedan and Coupe have entirely new dimensions that make each vehicle wider and shorter in height
for a sleek, futuristic appearance that also benefits packaging efficiency, handling and ride quality.

Compared to its 2005 predecessor, the 2006 Civic Sedan has grown 1.4 inches in overall length
(176.8 inches) and 1.5 inches in width (69.0 inches). Its 106.3-inch wheelbase is 3.2 inches longer,
while the rear overhang is 3.1 inches shorter and the front overhang is 1.8 inches longer. Height has
been reduced by 0.2 inches. The front track is 1.1 inches wider (59.0 inches) and the rear track is 2.2
inches wider (60.2 inches). Vehicle weight has increased by approximately 5 percent on each trim
level – a relatively small gain considering the addition of extensive standard safety equipment, new
features and greatly increased bending and torsional rigidity.

The 2006 Civic Coupe has been reduced 0.6 inches in overall length (174.8 inches) compared to the
2005 model, and is now 1.4 inches wider (68.9 inches). Its coupe-exclusive 104.3-inch wheelbase is
1.2 inches longer, while the front and rear overhang lengths remain unchanged. Overall height has
been reduced by 1.6 inches (55.1 inches). The front track is 1.1 inches wider (59.0 inches) and the
rear track is 2.1 inches wider (60.1). Like the sedan, vehicle weight has increased by approximately 5
percent on each trim level.

Advanced Personal Concept Provides Specialized Performance and Dynamics
The Civic’s popularity spans a wide range of customers – some prefer its high-performance
potential, others want an all-around great car for daily commuting with style and economy, while
some desire the ultimate in clean and efficient technology. For 2006, Honda is advancing multiple
powertrain technologies to meet the needs of a diverse Civic customer by offering a 197-horsepower
Civic Si, a 50 mpg Civic Hybrid, and a stylish and sophisticated Civic Sedan and Civic Coupe. No
other vehicle in the segment covers as much ground as the Civic with its two body styles, three
engines, four transmissions and five trim levels. All totaled, there are over 148 model, trim, option
and color combinations for the 2006 Civic, more than ever before.

Honda recognizes that a “one size fits all” approach does not always fit the broad spectrum of
compact car buyers and that special technology applied to various models provides greater
satisfaction and benefit. For example, some cars offer sporty performance across an entire model
range, but compromise on fuel economy, ride comfort and/or safety. Others provide good fuel
economy and ride comfort, but offer minimal fun-to-drive performance. The Civic combines more
desirable traits into a compact vehicle than any other nameplate, and then adds more performance,
fuel economy, safety technology and sophistication to meet the demands of the market head-on
(with its ACE body structure, of course).

5 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004.
6 Fuel economy values determined from manufacturer test results. Official 2006 EPA mileage estimates were not
available at time of printing. Mileage figures shown for comparison purposes only. Actual mileage may vary.
2006 Honda Civic
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Overview

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Civic Si and Civic Coupe Overview
The Civic Si showcases the high-performance potential of the Civic platform to the highest degree.
The Civic Si can carve through twisty roads like a sports car, sprint from 0-60 quickly and still
provide the everyday practicality of a Civic with its legendary quality, refinement and durability.
Bottom line, the 2006 Civic Si is the best handling, best performing Civic to ever touch tire to
asphalt in America.

Civic Si Specifications: 2006 vs. 2005
Feature/Spec
2006 2005 Difference
Vehicle Type
Coupe
Three-door hatchback
New Body Style
Wheelbase (in.)
104.3
101.2 +3.1
Length (in.)
174.8
165.7 +9.1
Width (in.)
68.9
66.7 +2.2
Height (in.)
53.5
56.7 -3.2
Engine
2.0-liter i-VTEC DOHC
2.0-liter i-VTEC DOHC
New components
Horsepower @ rpm
197 @ 7800 7
160 @ 6500
+37 hp (23%)
Torque (lb.-ft.) @ rpm
139 @ 62007
132 @ 5000 rpm
+ 7 lb.-ft. (5%)+1200 rpm
Redline (rpm)
8000
6800 +1200
Transmission
6-speed manual w/LSD
5-speed manual
+ 1 speed, +LSD
Fuel Economy city/hwy mpg8
22/31
26/31
-4 / 0
Emissions
LEV-2
LEV-2 Same
Weight (lbs.)
2877
2782 +95
Tire Size
P215/45 R17
P195/60 R16
Larger wheels and tires
Passenger Volume (cu. ft.)
83.0
84.7 -1.7
Leg Room (in.) Front/Rear
42.6 / 30.3
42.2/33.0
+ 0.4 / - 2.7
Hip Room (in.) Front/Rear
53.0 / 49.2
51.2 / 48.4
+ 1.8 / +0.8

The Civic Coupe represents a new generation of advanced personal compact vehicle that is stylish,
fun-to-drive and practical. The Civic Si’s sporty influence carries over into the Civic Coupe with a
strong performance feel and muscular styling while providing industry-leading value and fuel
economy. For 2006, the Civic Coupe is more exclusive from its sedan counterpart than ever before
with a shorter wheelbase and 100 percent unique sheet metal. The Civic Sedan and Civic Coupe
share the same 1.8-liter engine that offers excellent power output and high fuel economy. For the
first time ever, the coupe rides on a coupe-unique wheelbase (104.3 inches) compared to the sedan
(106.3 inches).

Civic Coupe Specifications: 2006 vs. 2005
Feature/Spec
2006 2005 Change
Vehicle Type
Coupe
Coupe Same
Wheelbase (in.)
104.3
103.1 +1.2
Length (in.)
174.8
175.4 -0.6
Width (in.)
68.9
67.5 +1.4
Height (in.)
53.5
56.7 -3.2
Engine
1.8-liter i-VTEC SOHC
1.7-liter VTEC SOHC
+0.1 L, + i-VTEC
Horsepower @ rpm
140 @ 6300 7 (DX, LX,
127 @ 6300 (EX)
+13 @ 0
EX)
115 @ 6100 (DX, LX)
+25 @ -200
Torque (lb.-ft.) @ rpm
128 @ 4300 7(DX, LX,
114 @ 4800 (EX)
+14 @ -500
EX)
110 @ 4500 (DX, LX)
+18 @ -200

7 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004.
8 Fuel economy values determined from manufacturer test results. Official 2006 EPA mileage estimates not available at
time of printing. Mileage figures shown for comparison purposes only. Actual mileage may vary.
2006 Honda Civic
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Overview

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Civic Coupe Feature/Spec
2006 2005 Change
(Continued)
Transmissions
5 MT (standard) or 5 AT
5 MT (standard) or 4 AT
5 MT same, +1 gear AT
Tire Size
P195/65 15 (DX)
P185/70 14 (DX)
Plus 1 larger wheels and
P205/55 16 (LX, EX)
P195/60 15 (LX, EX)
tires
Weight
2765 (EX 5AT)
2652 (EX 4AT)
+113
2593 (DX 5MT)
2449 (DX 5MT)
+144
Fuel Economy City/Hwy mpg 30/40 (DX, LX, EX
31/38 (EX 4AT)
-1 / +2
5AT)9
29 / 38 (DX, LX 4AT)
+1/+2
Emissions
ULEV-2
ULEV-1 Lower
emissions
Passenger Volume (cu. ft.)
83.0 (EX)
88.1 (EX)
-5.1
83.7 (DX, LX)
91.4 (LX, DX)
-7.7
Leg Room Front/Rear (in.)
42.6 / 30.1
42.2 / 36.0
+0.4 / -5.7
Hip Room Front/Rear (in.)
53.0 / 49.2
51.2 / 46.7
+1.8 / +2.5

Civic Hybrid and Civic Sedan Overview
The Civic Hybrid provides the ultimate in clean and efficient technology with the highest fuel
economy and lowest emissions of any Civic. A new generation of Honda’s Integrated Motor Assist
(IMA) technology helps the Civic achieve an EPA estimated city/highway fuel economy of 50/50
miles per gallon and achieve Advanced-Technology Partial Zero Emissions Vehicle (AT-PZEV) in
all 50 states. Equipped with a continuously variable transmission (CVT) as standard equipment for
2006, fuel economy increases by 6 percent in the city and 4 percent on the highway (compared to
the 2005 Civic Hybrid with CVT and AT-PZEV certification). The Civic Hybrid can now deactivate
all four of its cylinders and operate using only the electric motor in certain steady-state cruising
situations. Compared to the 2006 Civic Sedan with an automatic transmission, the Civic Hybrid
provides a city fuel economy increase of approximately 66 percent and a highway fuel economy
increase of 25 percent.

Civic Hybrid Specifications: 2006 vs. 2005
Feature/Spec
2006 2005 Change
Vehicle Type
Sedan
Sedan Same
Wheelbase (in.)
106.3
103.1 +3.2
Length (in.)
176.7
175.4 +1.3
Width (in.)
68.9
67.5 +1.4
Height (in.)
56.5
56.3 -0.2
Engine
1.3-liter i-VTEC SOHC
1.3-liter VTEC SOHC
+ i-VTEC
Electric Motor hp @ rpm
20 @ 2000
13 @ 4000
+4 / + 7
Cylinder Deactivation
4-cylinder
3-cylinder Full
Engine
Deactivation
Horsepower @ rpm (total)
110 @ 60008
93 @ 5700
+ 17 hp
Torque (lb.-ft.) @ rpm (total)
123 @ 1000-25008
105 @ 3000 (CVT)
+ 18 @ - 500
Transmission
CVT
CVT or MT
CVT standard
Tire Size
P195/65 15
P185/70 15
Larger tire
Fuel Economy city/hwy mpg
50 / 50
47 / 48 (CVT AT-PZEV)
+ 3 / +2
Weight
2875
2740 +
135
Emissions
AT-PZEV (50 State)
AT-PZEV (CA +)
50-State AT-PZEV
Passenger Volume (cu. ft.)
90.9
91.4 -0.5
Front/Rear Leg Room (in.)
42.2 / 34.6
42.2 / 36.0
0/-1.4
Front Hip Room (in.)
51.8 / 51.0
51.3/ 49.8
+0.5/+1.2


9 Fuel economy values determined from manufacturer test results. Official 2006 EPA mileage estimates not available at
time of printing. Mileage figures shown for comparison purposes only. Actual mileage may vary.
2006 Honda Civic
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Overview

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Refinement with sophistication and safety summarize the Civic Sedan’s sales volume-leading
position as it brings together a balanced demeanor between performance and economy derived from
the Si and Hybrid. Rich with features, the Civic Sedan boasts more standard equipment across its
entire trim level range with higher quality audio systems, ergonomics and storage functionality.
Innovation has been a hallmark of each new Civic; the 2006 Civic is no exception. New powertrain
technology centers on a 1.8-liter i-VTEC engine with the next generation of i-VTEC technology that
uses variable valve timing to reduce pumping losses to the benefit of fuel economy, lower emissions
and performance. The new engine represents a significant milestone in engine technology and helps
the 1.8-liter Civic deliver performance similar to a 2.0-liter engine at lower rpm ranges and fuel
economy similar to a 1.5-liter during cruising (140 horsepower and an estimated 40 mpg highway,
automatic transmission – up 2mpg from the already top-of-class 2005 Civic Sedan).

Civic Sedan Specifications: 2006 vs. 2005
Feature/Spec
2006 2005 Change
Vehicle Type
Sedan
Sedan Same
Wheelbase (in.)
106.3
103.1 +3.2
Length (in.)
176.7
175.4 +1.3
Width (in.)
68.9
67.5 +1.4
Height (in.)
56.5
56.3 Verify
Engine
1.8-liter i-VTEC SOHC
1.7-liter VTEC SOHC
+0.1 L, + i-VTEC
Horsepower @ rpm
140 @ 630010 (DX, LX,
127 @ 6300 (EX)
+13 @ 0
EX)
115 @ 6100 (DX, LX)
+25 @ +200
Torque (lb.-ft.) @ rpm
128 @ 430010 (DX, LX,
114 @ 4800 (EX)
+14 @ -500
EX)
110 @ 4500 (DX, LX)
+18 @ -200
Transmissions
5 MT (standard) or 5 AT
5 MT (standard) or 4 AT
5 MT same, +1 gear AT
Weight (lbs.)
2804(EX 5AT)
2652 (EX 4AT)
+152
2628 (DX 5MT)
2449 (DX 5MT)
+179
Tire Size
P205/55 R16 (LX, EX)
P195/60 R15 (LX, EX)
Plus 1 Larger wheels and
P195/65 R15 (DX)
P185/70 R14 (DX)
tires
Fuel Economy City/Hwy mpg 30/40 (DX, LX, EX 5AT) 31/38 (EX 4AT)
-1 / +2
29 / 38 (DX, LX 4AT)
+1/+2
Passenger Volume (cu. ft.)
88.4 (EX)
88.1 (EX)
+0.3
90.9 (LX, DX)
91.4 (LX, DX)
-0.5
Emissions
ULEV-2
ULEV-1 Lower
emissions
Front/Rear Leg Room (in.)
42.2 / 34.6
42.2 / 36.0
0/-1.4
Hip Room Front/Rear (in.)
51.9 / 51.0
51.3/ 49.8
+0.6/+1.2

Safety for Everyone

Honda makes choosing a safe car simple by including a high level of standard safety equipment in
every Civic. Honda’s strategy contrasts the common industry practice of bundling safety equipment
such as anti-lock brakes, side airbags and side curtain airbags with unrelated comfort and
convenience option packages.

The 2006 Civic integrates Honda’s most advanced safety technology with the revolutionary ACE
Body Structure, active front head restraints and segment-exclusive standard side curtain airbags and
front side airbags in every model and trim level. The ACE Body Structure enhances frontal collision
energy management through a network of load bearing front frame structures that provides an
increased opportunity for two vehicles – including larger and smaller vehicles with differing bumper
heights – to properly connect during a collision. A first-of-its-kind in the industry, the ACE Body
Structure elevates real-world safety to a new level by better utilizing the crumple zones between two
vehicles and dispersing energy away from the passenger area through more load-bearing channels.

10 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004
2006 Honda Civic
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Overview

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Inside, every Civic incorporates side curtain airbags and front side airbags as standard equipment,
along with Honda’s first-ever active head restraints that are designed to reduce the chance of neck
injury in the event of a rear collision. Additional standard safety features include dual-stage dual-
threshold front airbags with a passenger-side Occupant Position Detection System (OPDS), anti-
lock brakes (ABS), front seatbelts with pre-tensioners and load limiters, and a pedestrian safety
design in the front of the vehicle. Passenger-side seatbelt reminders and daytime running lights are
also new for the 2006 Civic.

“Some consumers may not fully realize the importance of safety equipment when purchasing a
vehicle,” said John Mendel, senior vice president of American Honda Motor Co., Inc. “For that
reason, Honda is dedicated to make choosing a safe car simple for everyone as demonstrated by the
high level of standard safety equipment on every 2006 Civic.”

The previous generation Civic (2001 – 2005) set a new standard for small car safety when the 2001
Civic Coupe with side airbags became one of the first two passenger cars ever to earn the federal
government's top Five Star safety rating for the driver and front passenger and rear seat passengers
in both frontal and side impact crash tests performed by the National Highway Traffic Safety
Administration (NHTSA). The 2006 Civic builds on Honda’s industry-leading emphasis on safety
and outdistances the competition by implementing new technology and features that go beyond
mandated standards and traditional safety protocols.

Powertrains for All: i-VTEC 2.0-Liter, 1.3-Liter, 1.8-Liter / 6MT, 5AT, 5MT, CVT
The Civic is available with three unique powertrains that include a 197-horsepower 2.0-liter i-VTEC
engine in the Civic Si, the 110-horsepower and ultra-efficient 1.3-liter i-VTEC engine with
Integrated Motor Assist in the Civic Hybrid and an innovative 140-horsepower 1.8-liter i-VTEC
engine in the Civic Sedan and Civic Coupe that achieves performance similar to a larger engine and
fuel economy similar a smaller engine. (A fourth powertrain that uses natural gas will be available in
early 2006 in the Civic GX; details will be available near its launch date.)

Each Civic powertrain engages a further-evolved “intelligent” application of Honda’s exclusive
Variable Valve Timing and Lift Electronic Control (VTEC) technology known as i-VTEC. In the
U.S., Honda’s original VTEC valvetrain technology first appeared in 1990 and was subsequently
adapted to a wide variety of engines for its ability to extract powerful performance from smaller and
more efficient engines. When the letter “i” is used with VTEC, it symbolizes an advanced form of
variable valve timing that simultaneously raises performance and fuel economy while lowering
emissions. The world of i-VTEC performance encompasses multiple technology applications
including Variable Timing Control* that advances or delays the rotation of a camshaft, or Variable
Cylinder Management that deactivates some of the cylinders**, or all of the cylinders***. In the 2006
Civic Sedan and Coupe, i-VTEC relates to an innovative new way to reduce pumping losses inside
the engine****.

* Honda Accord 4-cylinder, Civic Si, CR-V, Element, Acura RS-X and TSX each employ Variable Timing Control
(VTC)
** Honda Accord Hybrid and Odyssey employ Variable Cylinder Management (VCM) to deactivate three of its six
cylinders
*** The 2006 Civic Hybrid can de-activate all four of its cylinders through VCM
**** The new 2006 Civic Sedan and Coupe employ the next generation of i-VTEC that reduces fuel consumption
and enhances performance

2006 Honda Civic
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Overview

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Civic Si Powertrain: 2.0-Liter / 6MT
2.0-liter i-VTEC DOHC 4-Cylinder Engine with Variable Timing Control (VTC)
6-Speed Manual Transmission
Helical-Type Limited Slip Differential

High revving power, quick shifting precision and
tenacious grip describe the Civic Si powertrain. The 16-
valve 2.0-liter engine uses Honda’s i-VTEC “intelligent”
valve control system that combines Variable Timing
Control (VTC) to continuously adjust camshaft phase
with Variable Valve Timing and Lift Electronic Control
(VTEC) that adjusts valve lift, timing and duration.
Combining these two systems results in impressive
horsepower and high torque with good fuel economy and

low exhaust emissions. The Civic Si utilizes VTEC and
The Civic Si 2.0-Liter i-VTEC 4-cylinder
VTC for both intake and exhaust valve control to produce
engine produces 197 horsepower and is the
most powerful Si ever produced
197 horsepower11 at 7800 rpm and 139 lb-ft. of torque10 at
6200 rpm. The air intake system and the exhaust system are
tuned to provide a deep sound and resonance, adding a
level of performance feedback more commonly found on
racecars. Further refinement is found in the drive-by-wire
throttle body for smooth acceleration response and a chain
driven balancer unit in the oil pan minimizes engine
vibration.

The Civic Si is available exclusively with a 6-speed manual
transmission. Designed to be exceptionally compact and

Civic Si 6-speed manual transmission
lightweight, this 6-speed has also been engineered to shift
features a short throw shifter
with extremely short and precise throws. A final drive ratio
of 4.76:1 promotes aggressive acceleration while a tall 6th
gear provides for relaxed highway cruising. The short-throw
clutch has an innovative torsion mechanism that
considerably reduces noise. Multiple synchronizers are
utilized, and 5th and 6th gears feature single carbon
synchronizers for a direct shift feel.

Most vehicles have open differentials that send power to
usually just one wheel in a corner, resulting in wheel spin

Civic Si Helical Limited Slip Differential
and less potential for applying throttle and acquiring faster
enhances traction
acceleration. The helical type limited slip differential (LSD)
in the Civic Si improves acceleration and cornering performance by insuring that both front wheels
receive an optimum level of torque at all times. In a straight line, both wheels are better utilized to
put the engine’s power to the ground with minimal wheel spin. During hard cornering, the LSD
transmits more torque toward the outside wheel to bias more power to the tire with the most grip
and facilitates the outside wheel’s longer travel distance relative to the inner wheel. Primary benefits
include the ability to accelerate harder exiting corners and enhances the vehicle’s responsiveness to
throttle inputs in corners.


11 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004
2006 Honda Civic
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Overview

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Civic Hybrid Powertrain: 1.3-Liter/ IMA / CVT
1.3-liter i-VTEC Engine with Variable Cylinder Management and i-DSI
Fourth Generation Integrated Motor Assist (IMA) System
Continuously Variable Transmission (CVT)
Cooperative Regenerative Braking System

Honda was the first vehicle manufacturer to offer a
gasoline-electric hybrid powertrain in North America
with the introduction of the Honda Insight in December
1999. Improved versions of the IMA system have
appeared in the 2003 Civic Hybrid and the 2005 Accord
Hybrid. Adding to its long history of advanced green
technologies, Honda’s fourth generation hybrid
powertrain in the 2006 Civic Hybrid offers improved
The Civic Hybrid’s battery pack and
power, efficiency and capabilities. Horsepower increases
Intelligent Power Unit is located in the rear of
the vehicle
by 18 percent and combined fuel economy increases by
about 5 percent, versus a similarly equipped 2005 Civic Hybrid.

Honda’s industry leading reputation for extracting power and fuel economy from its gasoline
engines explains its unique approach to electric hybridization. First, Honda can build a small engine
with exceptionally high power output and high efficiency as the foundation for the hybrid
powertrain. This integrates well with Honda's simple, elegant, and efficient IMA system that
eliminates the need for a large, heavy and complex electric drive system. Second, Honda’s hybrid
performance strategy lends itself well to the driving habits of North American consumers who tend
to live in suburban settings and have commutes that include mixed highway and city driving by
delivering similarly high economy levels for both driving modes.

Some hybrid systems built by other manufacturers actually provide higher city fuel economy than
highway – a feature that benefits only those who live in dense urban areas with heavy stop and go
traffic. City drivers also tend to put fewer annual miles on their vehicle, which minimizes the return
on investment for a hybrid powertrain. Overall, Honda’s advanced IMA system provides the
greatest advantage to high mileage commuters, who can benefit the most from clean and efficient
hybrid technology.

The fourth generation Honda IMA system consists of a 1.3-liter i-VTEC 4-cylinder engine
connected to a high power electric motor and a Continuously Variable Transmission (CVT). A
battery pack is used to capture and store electricity for the electric motor. Like all contemporary
hybrid powertrains, the system uses a gasoline engine as the primary source of power and an electric
motor provides additional power and electricity regeneration capability. During acceleration, the
engine or the engine and electric motor propel the vehicle.

During cruising, the gasoline engine and/or the electric motor can propel the vehicle. This means
the Civic Hybrid can drive on the electric motor alone in certain cruising situations, a new capability
for 2006. During braking, the gasoline engine deactivates and the electric motor acts as generator to
charge the battery pack. At a stop, the engine can enter an idle stop mode to save fuel, and the
engine is turned off until the brake pedal is released.
2006 Honda Civic
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Overview

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Overall, the 18 percent more powerful 110-horsepower fourth generation Honda IMA powertrain
provides stronger starting and overtaking acceleration compared to its predecessor while its
estimated city/highway fuel economy of 50/50 mpg provides a maximum driving range over 615
miles. The gasoline engine and electric motor combine to produce a maximum output of 11012-
horsepower @ 6000 rpm and 123 lb-ft. of torque11 @ 1000-2500 rpm.

Building on the strong foundation of the 2005 Civic Hybrid 1.3-
liter i-DSI gasoline engine, the 2006 1.3-liter i-VTEC with VCM
gasoline engine implements a wide assortment of new
technology including a three-stage i-VTEC system that provides
a low and high cam profile to increase power output while also
adding Variable Cylinder Management (VCM) capability to
deactivate all four of the engine’s cylinders (instead of three
previously). The new valvetrain helps to drastically reduce
internal pumping losses during deceleration and contributes to
the increase in electrical regeneration of 170 percent. The engine
still features an “intelligent” dual and sequential ignition system
that uses two spark plugs per cylinder and allows for more
Civic Hybrid 1.3-liter i-VTEC
engine and electric motor produce
complete combustion of the fuel by firing the two spark plugs
110 horsepower combined
either at the same time or in a sequential, one-two fashion
depending on the driving condition. By itself, gasoline engine
output is rated at 93 horsepower @ 6000 rpm (+ 9 percent) and
torque is rated at 89 lb-ft. @ 4500 rpm (+2 percent).

Dramatic new technology has also been added to the electric
motor, Intelligent Power Unit and battery pack to improve
performance, reduce size and minimize weight. The 15-kilowatt
electric motor uses a high performance magnet and flat wire
construction to improve torque output by 30 percent,

horsepower by 46 percent and efficiency by 3 percent. By itself,
The 20 horsepower electric motor
the electric motor is rated at 20 horsepower @ 2000 rpm and
is the most powerful Honda has
ever produced for a hybrid vehicle
torque is rated at 76 lb-ft. @ 0-1160 rpm. The brain of the IMA
system – the Intelligent Power Unity (IPU) – is 13 percent
smaller and weighs slightly less. Related components including
the Power Control Unit (PCU) and DC/DC converter are also
smaller and weigh less while providing greater operational
capabilities. The 158-volt battery pack provides 27 percent more
assist power, can recharge 14 percent faster and its size has been
reduced by 12 percent.

A Continuously Variable Transmission (CVT) is standard
equipment on all Civic Hybrids. The newly designed
A Continuously Variable
Transmission is standard on every
transmission provides a wider range between the maximum and
Civic Hybrid
minimum gear ratios to enhance acceleration and minimize
engine rpm at high speeds. The transmission provides smooth and predictable transitions and helps
keep the IMA system operating at its peak efficiency.

12 Horsepower and torque calculations reflect new SAE J1349 procedures revised August, 2004
2006 Honda Civic
10
Overview

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