Exact configuration / US market
1990 / MY1990 / FWD
Honda Civic Automatic 4-speed · 4 cyl · 1.5 L
MY1990 US configuration with 1.5 L, automatic 4-speed, and source-linked EPA data.
01 / Key facts
02 / Maintenance at a glance
9 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
5/10- Model year
- 1990
Verified
FuelEconomy.gov vehicle record 6525, year - Market
- United States
Verified
FuelEconomy.gov vehicle record 6525, dataset US-market scope - Body style
- Passenger car
Verified
FuelEconomy.gov vehicle record 6525, VClass - Doors
- Not recorded
- Seating capacity
- Not recorded
- Chassis / platform code
- Not recorded
- Factory grade
- Not recorded
- Manufacturer code
- Not recorded
- EPA vehicle class
- Subcompact Cars
Verified
FuelEconomy.gov vehicle record 6525, VClass - FuelEconomy.gov record
- 6525
Verified
FuelEconomy.gov vehicle record 6525, id
Powertrain
8/22- Powertrain layout
- Not recorded
- Powertrain type
- Internal combustion
Verified
FuelEconomy.gov vehicle record 6525, 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 6525, cylinders - Displacement
- 91.1 cu in
Derived
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00117A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00117A.pdf, printed 117 / PDF1; concordant hatchback table in SI9090O00113A.pdf printed114 / PDF2; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Bore
- 3 in
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00117A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00117A.pdf, printed 117 / PDF1; concordant hatchback printed114 / PDF2; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Stroke
- 3.3 in
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00117A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00117A.pdf, printed 117 / PDF1; concordant hatchback printed114 / PDF2; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Compression ratio
- 9.2:1
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00117A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00117A.pdf, printed 117 / PDF1; concordant hatchback printed114 / PDF2; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Valves
- Not recorded
- Induction
- Naturally aspirated
Verified
FuelEconomy.gov vehicle record 6525, tCharger, sCharger, and eng_dscr - Fuel delivery
- Not recorded
- Fuel
- Regular Gasoline
Verified
FuelEconomy.gov vehicle record 6525, 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
- Not recorded
Transmission
5/8- Transmission
- Automatic 4-speed
Verified
FuelEconomy.gov vehicle record 6525, trany - Transmission code
- Not recorded
- Transmission type
- Automatic
Derived
FuelEconomy.gov vehicle record 6525, trany; normalized transmission type - EPA transmission descriptor
- 2LKUP
Verified
FuelEconomy.gov vehicle record 6525, trans_dscr - Forward ratios / speeds
- 4
Derived
FuelEconomy.gov vehicle record 6525, trany; parsed forward-speed count - Driven wheels
- FWD
Verified
FuelEconomy.gov vehicle record 6525, 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
0/7- Frame / construction
- Not recorded
- Front suspension
- Not recorded
- Rear suspension
- Not recorded
- Steering
- Not recorded
- Steering ratio
- Not recorded
- Turns lock-to-lock
- Not recorded
- Turning circle
- Not recorded
Brakes
0/6- Brake system
- Not recorded
- Front brakes
- Not recorded
- Rear brakes
- Not recorded
- Front rotor diameter
- Not recorded
- Rear rotor diameter
- Not recorded
- Anti-lock braking
- Not recorded
Wheels and tires
0/8- Wheels
- Not recorded
- Front wheel
- Not recorded
- Rear wheel
- Not recorded
- 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
0/22- 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
- Not recorded
- Engine oil drain washer
- Not recorded
Dimensions and capacity
5/13- Overall length
- Not recorded
- Overall width
- Not recorded
- Overall height
- Not recorded
- Wheelbase
- 98.4 in
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00113A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00113A.pdf, printed 113 and116; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Front track
- 57.1 in
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00113A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00113A.pdf, printed 113 and116; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Rear track
- 57.3 in
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00113A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00113A.pdf, printed 113 and116; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Ground clearance
- Not recorded
- Curb weight
- Not recorded
- Weight distribution
- Not recorded
- Passenger volume
- 88 ft³
Verified
FuelEconomy.gov vehicle record 6525, pv2, pv4, and hpv - Cargo volume
- 12 ft³
Verified
FuelEconomy.gov vehicle record 6525, lv2, lv4, and hlv - 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
3/16- Fuel tank
- 47.6 US qt
Derived
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00113A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00113A.pdf, printed 113 and116; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Engine oil capacity
- Not recorded
- Engine oil with filterOil-and-filter change: 3.5 L (3.7 US qt, 3.1 Imp qt). Confirm the dipstick level; this is not dry-engine capacity.
- 3.7 US qt
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00073A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00073A.pdf, printed 76 / PDF4; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Engine oil without filter
- Not recorded
- Conditional engine oil refill
- Not recorded
- Coolant capacity
- Not recorded
- Automatic transmission fluid capacityRoutine fluid change 2.4 L (2.5 US qt, 2.1 Imp qt), not total dry capacity. Check the dipstick with the engine off and vehicle level; do not overfill.
- 2.5 US qt
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00078A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00078A.pdf, printed 79 / PDF2; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - 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
7/17- Minimum fuel octane
- Not recorded
- Engine oil viscosityThe 1990 manual’s original specification; a present-day substitute requires separate verified compatibility.
- SAE 5W-30 recommended for fuel economy; follow the manual’s ambient-temperature chart.
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00073A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00073A.pdf, printed 75 / PDF3; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Engine oil specificationThe 1990 manual’s original specification; a present-day substitute requires separate verified compatibility.
- Premium-quality detergent engine oil, API SG.
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00073A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00073A.pdf, printed 75 / PDF3; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Engine oil drain-plug torque
- Not recorded
- Automatic transmission fluidThe 1990 manual’s original specification; a present-day substitute requires separate verified compatibility.
- Original manual: DEXRON II automatic transmission fluid.
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00078A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00078A.pdf, printed 79 / PDF2; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - CVT fluid
- Not recorded
- DCT fluid
- Not recorded
- Manual transmission fluid
- Not recorded
- Coolant specificationThe 1990 manual’s original specification; a present-day substitute requires separate verified compatibility.
- Honda-recommended antifreeze/coolant for aluminum engines, mixed 50/50 with low-mineral or distilled water; do not mix different coolants.
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00078A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00078A.pdf, printed 80–81 / PDF3–4; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Differential fluid
- Not recorded
- Transfer-case fluid
- Not recorded
- Brake fluid
- DOT 3 or DOT 4 brake fluid from a sealed container; check the reservoir-cap specification.
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00082A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00082A.pdf, printed 84 / PDF3; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Power-steering fluid
- Not recorded
- A/C refrigerant type
- Not recorded
- Spark-plug typeThe 1990 manual’s original specification; a present-day substitute requires separate verified compatibility.
- Normal driving: NGK BCPR6E-11 or BCPR6EY-N11, or ND Q20PR-U11. Hot climates / continuous high-speed driving: NGK BCPR7E-11 or BCPR7EY-N11, or ND Q22PR-U11.
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00082A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00082A.pdf, printed 87 / PDF6; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Spark-plug gapManual specification: 1.1 mm (0.04 in); use the specified plug heat range and installation procedure.
- 0.043 in
Verified
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00082A.pdf
1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00082A.pdf, printed 87 / PDF6; official SI9090MAINIDX identifies model year and hatchback/sedan scope. - Spark-plug torque
- Not recorded
Efficiency
3/6- EPA city
- 24 mpg (US)
Verified
FuelEconomy.gov vehicle record 6525, city08 - EPA highway
- 30 mpg (US)
Verified
FuelEconomy.gov vehicle record 6525, highway08 - EPA combined
- 26 mpg (US)
Verified
FuelEconomy.gov vehicle record 6525, comb08 - EPA city, alternate fuel
- Not recorded
- EPA highway, alternate fuel
- Not recorded
- EPA combined, alternate fuel
- Not recorded
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
- 342 g/mi
Verified
FuelEconomy.gov vehicle record 6525, 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
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00068A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00073A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00078A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00082A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00093A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00113A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17
1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00117A.pdf
Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.
- Applies to
- United States; 1990 Civic hatchback and sedan only; wagons excluded
- Retrieved
- 2026-10-17