Exact configuration / US market
2006 / MY2006 / FWD
Honda Civic CNG · Automatic 5-speed · 4 cyl · 1.8 L
MY2006 US configuration with 1.8 L, automatic 5-speed, and source-linked EPA data.
01 / Key facts
02 / Maintenance at a glance
2 maintenance guides available
Source-backed owner service for this exact configuration.
View all maintenance →Technical specifications
Facts are grouped by system. Expand any row to inspect evidence and its exact source locator.
Identity
6/10- Model year
- 2006
Verified
FuelEconomy.gov vehicle record 23053, year - Market
- United States
Verified
FuelEconomy.gov vehicle record 23053, dataset US-market scope - Body style
- Passenger car
Verified
FuelEconomy.gov vehicle record 23053, VClass - Doors
- Not recorded
- Seating capacity
- 5
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Interior Measurements, GX, Seating Capacity; GX column(s) - Chassis / platform code
- Not recorded
- Factory grade
- Not recorded
- Manufacturer code
- Not recorded
- EPA vehicle class
- Subcompact Cars
Verified
FuelEconomy.gov vehicle record 23053, VClass - FuelEconomy.gov record
- 23053
Verified
FuelEconomy.gov vehicle record 23053, id
Powertrain
10/22- Powertrain layout
- Not recorded
- Powertrain type
- Internal combustion
Verified
FuelEconomy.gov vehicle record 23053, atvType, fuelType1, and fuelType - Engine
- Not recorded
- Engine description
- Not recorded
- Engine code
- Not recorded
- Engine position
- Not recorded
- Cylinders
- 4
Verified
FuelEconomy.gov vehicle record 23053, cylinders - Displacement
- 109.8 cu in
Verified
FuelEconomy.gov vehicle record 23053, displ - Bore
- 3.2 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Engine table, bore - Stroke
- 3.4 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Engine table, stroke - Compression ratio
- 12.5:1
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Engine table, compression - Valves
- 16
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Engineering, GX, Valvetrain; GX column(s) - Induction
- Naturally aspirated
Verified
FuelEconomy.gov vehicle record 23053, tCharger, sCharger, and eng_dscr - Fuel delivery
- Not recorded
- Fuel
- CNG
Verified
FuelEconomy.gov vehicle record 23053, fuelType1 and fuelType - Alternate fuel
- Not recorded
- Stop-start system
- Not recorded
- Engine power
- Not recorded
- Power speed
- Not recorded
- Engine torque
- Not recorded
- Torque speed
- Not recorded
- Redline
- 6,300 rpm
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Engineering, GX, Redline; GX column(s)
Transmission
5/8- Transmission
- Automatic 5-speed
Verified
FuelEconomy.gov vehicle record 23053, trany - Transmission code
- Not recorded
- Transmission type
- Automatic
Derived
FuelEconomy.gov vehicle record 23053, trany; normalized transmission type - EPA transmission descriptor
- CLKUP
Verified
FuelEconomy.gov vehicle record 23053, trans_dscr - Forward ratios / speeds
- 5
Derived
FuelEconomy.gov vehicle record 23053, trany; parsed forward-speed count - Driven wheels
- FWD
Verified
FuelEconomy.gov vehicle record 23053, drive - Differential
- Not recorded
- Transfer case
- Not recorded
Gearing
0/19- 1st gear
- Not recorded
- 2nd gear
- Not recorded
- 3rd gear
- Not recorded
- 4th gear
- Not recorded
- 5th gear
- Not recorded
- 6th gear
- Not recorded
- 7th gear
- Not recorded
- 8th gear
- Not recorded
- 9th gear
- Not recorded
- 10th gear
- Not recorded
- CVT lowest ratio
- Not recorded
- CVT highest ratio
- Not recorded
- Reverse
- Not recorded
- Final drive
- Not recorded
- Front final drive
- Not recorded
- Rear final drive
- Not recorded
- Secondary reduction
- Not recorded
- Transfer-case high range
- Not recorded
- Transfer-case low range
- Not recorded
Chassis and steering
7/7- Frame / construction
- Unit-body construction
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, Unit-Body Construction; GX column(s) - Front suspension
- Control-link MacPherson strut
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, Control-Link MacPherson Strut Front Suspension; GX column(s) - Rear suspension
- Reactive-link double wishbone
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, Reactive-Link Double Wishbone Rear Suspension; GX column(s) - Steering
- Power-assisted rack-and-pinion
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, Power-Assisted Rack-and-Pinion Steering; GX column(s) - Steering ratio
- 13.7:1
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, GX, Steering Ratio; GX column(s) - Turns lock-to-lock
- 2.7
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, GX, Steering Wheel Turns Lock-to-Lock; GX column(s) - Turning circle
- 417.6 in
Derived
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, GX, Turning Diameter Curb-to-Curb; GX column(s)
Brakes
2/6- Brake system
- Not recorded
- Front brakes
- Power-assisted ventilated disc brakes
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, Power-Assisted Ventilated Front Disc row; GX column(s) - Rear brakes
- Power-assisted drum brakes
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, Rear Drum Brakes row; GX column(s) - Front rotor diameter
- Not recorded
- Rear rotor diameter
- Not recorded
- Anti-lock braking
- Not recorded
Wheels and tires
2/8- Wheels
- Not recorded
- Front wheel
- 15 × 6J with full covers
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, named model column, Wheels; GX column(s) - Rear wheel
- 15 × 6J with full covers
Verified
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Body/suspension/chassis, named model column, Wheels; GX column(s) - Front tire
- Not recorded
- Rear tire
- Not recorded
- Wheel fastener torque
- Not recorded
- Front cold tire pressure
- Not recorded
- Rear cold tire pressure
- Not recorded
Replacement fitment
1/22- Wheel bolt pattern
- Not recorded
- Center bore
- Not recorded
- Front wheel offset
- Not recorded
- Rear wheel offset
- Not recorded
- Wheel fastener thread
- Not recorded
- Spare tire
- Not recorded
- Driver-side wiper
- Not recorded
- Passenger-side wiper
- Not recorded
- Rear wiper
- Not recorded
- 12 V battery specification
- Not recorded
- 12 V battery group / size
- Not recorded
- Low-beam bulb
- Not recorded
- High-beam bulb
- Not recorded
- Fog-lamp bulb
- Not recorded
- Front turn-signal bulb
- Not recorded
- Rear turn-signal bulb
- Not recorded
- Brake-lamp bulb
- Not recorded
- Reverse-lamp bulb
- Not recorded
- Engine air-filter fitment
- Not recorded
- Cabin air-filter fitment
- Not recorded
- Engine oil-filter fitment
- WIX 57356 / 57356XP
Verified
PDF pages 344–346; 2002/2003/2005/2006/2007 Honda Civic gasoline/Hybrid; 2006/2007 Civic 1.8L CNG; 2003/2005/2006/2007 Accord and Accord Hybrid; Lube column (standard / XP) - Engine oil drain washer
- Not recorded
Dimensions and capacity
6/13- Overall length
- 176.7 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Dimensions table, length - Overall width
- 69 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Dimensions table, width - Overall height
- 56.5 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Dimensions table, height - Wheelbase
- 106.3 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Dimensions table, wheelbase - Front track
- 59 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Dimensions table, trackFront - Rear track
- 60.2 in
Verified
2006 Civic GX US owner supplement, PDF page 33 / printed page 32; Dimensions table, trackRear - Ground clearance
- Not recorded
- Curb weight
- Not recorded
- Weight distribution
- Not recorded
- Passenger volume
- Not recorded
- Cargo volume
- Not recorded
- Payload
- Not recorded
- Drag coefficient
- Not recorded
Load and utility
0/13- GVWR
- Not recorded
- Front GAWR
- Not recorded
- Rear GAWR
- Not recorded
- GCWR
- Not recorded
- Maximum trailer weight
- Not recorded
- Maximum tongue load
- Not recorded
- Maximum roof load
- Not recorded
- Cargo-bed length
- Not recorded
- Cargo-bed width
- Not recorded
- Cargo-bed depth
- Not recorded
- Cargo-floor length
- Not recorded
- Cargo-area width
- Not recorded
- Cargo-area height
- Not recorded
Fluids and capacities
1/16- Fuel tank
- Not recorded
- Engine oil capacity
- Not recorded
- Engine oil with filterRefill with a new filter; confirm the final dipstick level.
- 3.9 US qt
Verified
PDF page 23; GX supplement; engine oil - Engine oil without filter
- Not recorded
- Conditional engine oil refill
- Not recorded
- Coolant capacity
- Not recorded
- Automatic transmission fluid capacity
- Not recorded
- CVT fluid capacity
- Not recorded
- DCT fluid capacity
- Not recorded
- Manual transmission fluid capacity
- Not recorded
- Differential oil capacity
- Not recorded
- Front differential fluid capacity
- Not recorded
- Rear differential fluid capacity
- Not recorded
- Transfer-case fluid capacity
- Not recorded
- A/C refrigerant charge
- Not recorded
- Washer-fluid capacity
- Not recorded
Service specifications
3/17- Minimum fuel octane
- Not recorded
- Engine oil viscosity
- 5W-20
Verified
PDF page 23; GX supplement; engine oil - Engine oil specification
- API-certified oil for gasoline engines
Verified
PDF page 23; GX supplement; engine oil - Engine oil drain-plug torque
- Not recorded
- Automatic transmission fluidUse the vehicle's normal/severe service schedule and level-check procedure. This bulletin establishes the fluid, not a routine refill quantity or a new service interval.
- Honda Genuine ATF DW-1 (replaces ATF-Z1)
Verified
Page 1; New ATF DW-1 Now Available; November 2010 - CVT fluid
- Not recorded
- DCT fluid
- Not recorded
- Manual transmission fluid
- Not recorded
- Coolant specification
- Not recorded
- Differential fluid
- Not recorded
- Transfer-case fluid
- Not recorded
- Brake fluid
- Not recorded
- Power-steering fluid
- Not recorded
- A/C refrigerant type
- Not recorded
- Spark-plug type
- Not recorded
- Spark-plug gap
- Not recorded
- Spark-plug torque
- Not recorded
Efficiency
3/9- EPA city
- Not recorded
- EPA highway
- Not recorded
- EPA combined
- Not recorded
- EPA city, alternate fuel
- Not recorded
- EPA highway, alternate fuel
- Not recorded
- EPA combined, alternate fuel
- Not recorded
- EPA city MPGe
- 24
Verified
FuelEconomy.gov vehicle record 23053, city08 - EPA highway MPGe
- 36
Verified
FuelEconomy.gov vehicle record 23053, highway08 - EPA combined MPGe
- 28
Verified
FuelEconomy.gov vehicle record 23053, comb08
Range
0/4- Total range
- Not recorded
- Alternate-fuel range
- Not recorded
- Alternate-fuel city range
- Not recorded
- Alternate-fuel highway range
- Not recorded
Emissions
1/4- Tailpipe CO₂
- 251 g/mi
Verified
FuelEconomy.gov vehicle record 23053, co2TailpipeGpm - Emissions classification
- Not recorded
- EPA fuel-economy score
- Not recorded
- EPA greenhouse-gas score
- Not recorded
Safety
0/3- Tire-pressure monitoring
- Not recorded
- Stability control
- Not recorded
- Driver-assistance suite
- Not recorded
Body
0/2- Roof
- Not recorded
- Aerodynamic equipment
- Not recorded
US safety ratings and recalls
Current NHTSA results for this model year, make, and model. Ratings are shown only for NHTSA-tested variants; recall applicability must be confirmed by VIN.
Loading current NHTSA data…
Sources used
Configuration identity and efficiency values come directly from the FuelEconomy.gov record. Marketing-trim names are not inferred where the government record does not state them.
FuelEconomy.gov model-year bulk vehicle records
Official bulk configuration, engine, transmission, drivetrain, fuel-economy, volume, and emissions records; the official record API is the bounded fallback.
- Applies to
- United States, complete imported model years 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
- Retrieved
- 2026-08-31
American Honda — 2006 Honda Civic Sedan and Civic Hybrid Specifications
Factory specification table published August 29, 2005. Values apply only to the named model and trim columns. Manufacturer estimates and optional equipment remain conditional.
- Applies to
- United States
- Retrieved
- 2026-10-17
Honda 2006 Civic GX — US owner/service information
Manufacturer-authored service facts and independently written summaries. PDF locators count pages from the start of the linked file. Confirm body, engine and equipment.
- Applies to
- United States
- Retrieved
- 2026-09-02
Honda ServiceNews A10110H — ATF DW-1 replaces ATF-Z1
Manufacturer-authored information; exact application and document locators were reviewed. Third-party reproductions retain the original publisher attribution.
- Applies to
- United States
- Retrieved
- 2026-09-02
WIX Filters 2021 application catalog, 99400
Manufacturer-authored information; exact application and document locators were reviewed. Third-party reproductions retain the original publisher attribution.
- Applies to
- United States
- Retrieved
- 2026-09-02