Exact configuration / US market
2021 / MY2021 / FWD
Honda Civic 4Dr · Automatic (variable gear ratios) · 4 cyl · 1.5 L · Turbo
MY2021 US configuration with 1.5 L, automatic (variable gear ratios), and source-linked EPA data.
01 / Key facts
02 / Maintenance at a glance
11 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
8/11- Model year
- 2021
Verified
FuelEconomy.gov vehicle record 43356, year - Market
- United States
Verified
FuelEconomy.gov vehicle record 43356, dataset US-market scope - Body style
- Passenger car
Verified
FuelEconomy.gov vehicle record 43356, VClass - Doors
- Not recorded
- Seating capacity
- 5
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 604 / PDF page 606, Vehicle Specifications, total passengers; repeated printed 606 - Chassis / platform code
- Not recorded
- Factory grade
- Not recorded
- Manufacturer code
- HNX
Verified
FuelEconomy.gov vehicle record 43356, mfrCode - EPA vehicle class
- Midsize Cars
Verified
FuelEconomy.gov vehicle record 43356, VClass - FuelEconomy.gov record
- 43356
Verified
FuelEconomy.gov vehicle record 43356, id - EPA engine ID
- 36
Verified
FuelEconomy.gov vehicle record 43356, engId
Powertrain
16/22- Powertrain layout
- Not recorded
- Powertrain type
- Internal combustion
Verified
FuelEconomy.gov vehicle record 43356, atvType, fuelType1, and fuelType - Engine
- Not recorded
- Engine description
- SIDI
Verified
FuelEconomy.gov vehicle record 43356, eng_dscr - Engine code
- Not recorded
- Engine position
- Not recorded
- Cylinders
- 4
Verified
FuelEconomy.gov vehicle record 43356, cylinders - Displacement
- 91.4 cu in
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Displacement; EX, EX-L and Touring, each explicitly 1498 cc turbo - Bore
- 2.9 in
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Bore and Stroke, bore; EX, EX-L and Touring, each explicitly 1498 cc turbo - Stroke
- 3.5 in
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Bore and Stroke, stroke; EX, EX-L and Touring, each explicitly 1498 cc turbo - Compression ratio
- 10.6:1
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Compression Ratio; EX, EX-L and Touring, each explicitly 1498 cc turbo - Valves
- 16
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Valve Train; EX, EX-L and Touring, each explicitly 1498 cc turbo - Induction
- Turbocharged
Verified
FuelEconomy.gov vehicle record 43356, tCharger, sCharger, and eng_dscr - Fuel delivery
- Direct injection
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Fuel Injection; EX, EX-L and Touring, each explicitly 1498 cc turbo - Fuel
- Regular Gasoline
Verified
FuelEconomy.gov vehicle record 43356, fuelType1 and fuelType - Alternate fuel
- Not recorded
- Stop-start system
- No
Verified
FuelEconomy.gov vehicle record 43356, startStop - Engine power
- 174 hp
Derived
2021 Honda Info Center Civic Sedan Specifications, Engineering / Horsepower (SAE net); EX, EX-L and Touring, each explicitly 1498 cc turbo - Power speed
- 6,000 rpm
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Horsepower (SAE net), rating speed; EX, EX-L and Touring, each explicitly 1498 cc turbo - Engine torqueManufacturer torque is a plateau from 1,700 to 5,500 rpm; no single torque-speed value is assigned.
- 162 lb-ft
Derived
2021 Honda Info Center Civic Sedan Specifications, Engineering / Torque (SAE net); EX, EX-L and Touring, each explicitly 1498 cc turbo - Torque speed
- Not recorded
- Redline
- 6,500 rpm
Verified
2021 Honda Info Center Civic Sedan Specifications, Engineering / Redline; EX, EX-L and Touring, each explicitly 1498 cc turbo
Transmission
3/8- Transmission
- Automatic (variable gear ratios)
Verified
FuelEconomy.gov vehicle record 43356, trany - Transmission code
- Not recorded
- Transmission type
- Automatic
Derived
FuelEconomy.gov vehicle record 43356, trany; normalized transmission type - EPA transmission descriptor
- Not recorded
- Forward ratios / speeds
- Not recorded
- Driven wheels
- FWD
Verified
FuelEconomy.gov vehicle record 43356, drive - Differential
- Not recorded
- Transfer case
- Not recorded
Gearing
1/19- 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
- 3.2:1
Verified
2021 Honda Info Center Civic Sedan Specifications, Transmissions / Final Drive; EX, EX-L, Touring, each 1.5 L LL-CVT; with and without paddles share this final drive - 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
3/7- Frame / construction
- Not recorded
- Front suspension
- MacPherson strut
Verified
2021 Honda Info Center Civic Sedan Specifications, Body / Suspension / Chassis / MacPherson Strut Front Suspension; All five US trim columns - Rear suspension
- Multi-link
Verified
2021 Honda Info Center Civic Sedan Specifications, Body / Suspension / Chassis / Multi-Link Rear Suspension; All five US trim columns - Steering
- Variable-ratio electric power-assisted rack-and-pinion
Verified
2021 Honda Info Center Civic Sedan Specifications, Body / Suspension / Chassis / Variable Ratio Electric Power-Assisted Rack-and-Pinion Steering (EPS); All five US trim columns - Steering ratio
- Not recorded
- Turns lock-to-lock
- Not recorded
- Turning circle
- Not recorded
Brakes
2/6- Brake system
- Not recorded
- Front brakesMetric equivalent calculated from the manufacturer inch dimension at 25.4 mm/in; brake type is directly specified.
- Power-assisted ventilated disc, 11.1 in (281.9 mm)
Derived
2021 Honda Info Center Civic Sedan Specifications, Body / Suspension / Chassis / Power-Assisted Ventilated Front Disc/Solid Rear Disc Brakes, front; All five US trim columns - Rear brakesMetric equivalent calculated from the manufacturer inch dimension at 25.4 mm/in; brake type is directly specified.
- Power-assisted solid disc, 10.2 in (259.1 mm)
Derived
2021 Honda Info Center Civic Sedan Specifications, Body / Suspension / Chassis / Power-Assisted Ventilated Front Disc/Solid Rear Disc Brakes, rear; All five US trim columns - 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
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 fitmentReviewed only for the eight explicitly assigned 2021 Civic sedan, hatchback and Type R configurations with their recorded engines and transmissions. The Type R match comes from its separate K20C1 row. WIX displacement labels are retained as printed and do not change Honda displacement. Use one standard 57356 filter and follow Honda service intervals.
- WIX 57356
Verified
WIX 2021 Application Catalog 99400, printed page 335 / PDF page 336, HONDA 2021: CIVIC L4 1.5L 1497cc Turbo; CIVIC L4 2.0L 1996cc 122 CID; separate CIVIC Type R L4 2L 2000cc 122 CID Turbo, K20C1. Oil column: 57356 in all three rows, not Oil XP 57356XP. Printed page 16 / PDF page 17: footnote 53 is the Masterpack option only. - Engine oil drain washer
- Not recorded
Dimensions and capacity
8/13- Overall length
- 182.7 in
Derived
2021 Honda Info Center Civic Sedan Specifications, Exterior Measurements / Length; LX, Sport, EX, EX-L and Touring columns all identical - Overall width
- 70.9 in
Derived
2021 Honda Info Center Civic Sedan Specifications, Exterior Measurements / Width; LX, Sport, EX, EX-L and Touring columns all identical - Overall height
- 55.7 in
Derived
2021 Honda Info Center Civic Sedan Specifications, Exterior Measurements / Height; LX, Sport, EX, EX-L and Touring columns all identical - Wheelbase
- 106.3 in
Derived
2021 Honda Info Center Civic Sedan Specifications, Exterior Measurements / Wheelbase; LX, Sport, EX, EX-L and Touring columns all identical - Front track
- 60.9 in
Derived
2021 Honda Info Center Civic Sedan Specifications, Exterior Measurements / Track (front/rear), front; LX, Sport, EX, EX-L and Touring columns all identical - Rear track
- 61.5 in
Derived
2021 Honda Info Center Civic Sedan Specifications, Exterior Measurements / Track (front/rear), rear; LX, Sport, EX, EX-L and Touring columns all identical - Ground clearance
- Not recorded
- Curb weight
- Not recorded
- Weight distribution
- Not recorded
- Passenger volume
- 98 ft³
Verified
FuelEconomy.gov vehicle record 43356, pv2, pv4, and hpv - Cargo volume
- 15 ft³
Verified
FuelEconomy.gov vehicle record 43356, 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
5/16- Fuel tank
- 49.6 US qt
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 604 / PDF page 606, Fuel, Fuel Tank Capacity; repeated printed 606 - Engine oil capacity
- Not recorded
- Engine oil with filterService oil change with filter, not dry-engine capacity.
- 3.7 US qt
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 607 / PDF page 609, 1.5 L Engine Oil, Change including filter - Engine oil without filter
- 3.4 US qt
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 607 / PDF page 609, 1.5 L Engine Oil, Change row - Conditional engine oil refill
- Service-change amounts are separate from dry-engine capacity. Use the engine-specific filter-change quantity and recheck the dipstick after three minutes.
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 530 / PDF page 532, Changing the Engine Oil and Oil Filter, steps 9–12 - Coolant capacityPublished change capacity includes the 0.75 L (0.2 US gal) remaining in the reserve tank; do not interpret it as a top-up or additional amount to pour into an unemptied reservoir.
- 5.4 US qt
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 607 / PDF page 609, 1.5 L Engine Coolant, Capacity change including remaining reserve-tank coolant - 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
7/17- Minimum fuel octane
- Not recorded
- Engine oil viscosity
- SAE 0W-20
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 524 / PDF page 526, Recommended Engine Oil - Engine oil specificationSynthetic oil is permitted with the API Certification Seal and specified viscosity. The manual does not require oil additives.
- Honda Genuine Motor Oil or premium-grade detergent oil bearing the API Certification Seal
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 524 / PDF page 526, Recommended Engine Oil and Synthetic oil - Engine oil drain-plug torque
- 30 lb-ft
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 530 / PDF page 532, Changing the Engine Oil and Oil Filter, step 8; new drain washer required - Automatic transmission fluid
- Not recorded
- CVT fluidPublished CVT change quantity: 3.7 L; this is not the total dry-transmission capacity. Owner service directions are on printed page 533.
- Honda HCF-2
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 607 / PDF page 609, 1.5 L Continuously Variable Transmission Fluid, Specified and Capacity Change rows - DCT fluid
- Not recorded
- Manual transmission fluid
- Not recorded
- Coolant specificationDo not add straight antifreeze or water. For sustained temperatures below -35 C (-31 F), consult a dealer about the required concentration.
- Honda Long Life Antifreeze/Coolant Type 2, premixed 50/50
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 531 / PDF page 533, Engine Coolant, specified coolant and premix instructions - Differential fluid
- Not recorded
- Transfer-case fluid
- Not recorded
- Brake fluidSealed DOT 3 or DOT 4 fluid is temporary only if the specified fluid is unavailable. Do not use DOT 5; restore Honda DOT 3 as directed.
- Honda Heavy Duty Brake Fluid DOT 3
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 534 / PDF page 536, Brake Fluid, specified fluid and temporary-replacement notice - Power-steering fluid
- Not recorded
- A/C refrigerant type
- Not recorded
- Spark-plug type
- NGK ILZKAR8H8S
Verified
2021 Honda Civic Sedan Owner’s Manual, publication 31TBA6500, printed page 606 / PDF page 608, 1.5 L Engine Specifications, Spark Plugs - Spark-plug gap
- Not recorded
- Spark-plug torque
- Not recorded
Efficiency
9/12- EPA city
- 32 mpg (US)
Verified
FuelEconomy.gov vehicle record 43356, city08 - EPA highway
- 42 mpg (US)
Verified
FuelEconomy.gov vehicle record 43356, highway08 - EPA combined
- 36 mpg (US)
Verified
FuelEconomy.gov vehicle record 43356, comb08 - EPA city, alternate fuel
- Not recorded
- EPA highway, alternate fuel
- Not recorded
- EPA combined, alternate fuel
- Not recorded
- EPA unrounded adjusted city
- 32 mpg (US)
Verified
FuelEconomy.gov vehicle record 43356, city08U - EPA unrounded adjusted highway
- 42 mpg (US)
Verified
FuelEconomy.gov vehicle record 43356, highway08U - EPA unrounded adjusted combined
- 36 mpg (US)
Verified
FuelEconomy.gov vehicle record 43356, comb08U - EPA unadjusted city result
- 41.5
Verified
FuelEconomy.gov vehicle record 43356, UCity - EPA unadjusted highway result
- 60.9
Verified
FuelEconomy.gov vehicle record 43356, UHighway - EPA annual petroleum consumption
- 8.264166666666668 barrels/year
Verified
FuelEconomy.gov vehicle record 43356, barrels08
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
3/4- Tailpipe CO₂
- 248 g/mi
Verified
FuelEconomy.gov vehicle record 43356, co2TailpipeGpm - Emissions classification
- Not recorded
- EPA fuel-economy score
- 8
Verified
FuelEconomy.gov vehicle record 43356, feScore - EPA greenhouse-gas score
- 8
Verified
FuelEconomy.gov vehicle record 43356, ghgScore
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
2021 Honda Civic Sedan Owner’s Manual, 31TBA6500
Original Honda-hosted manual. US service codes and engine-specific tables were reviewed. Equipment-dependent tire, lamp and retail-trim choices are not assigned from the EPA transmission labels.
- Applies to
- United States model-year 2021 Civic Sedan gasoline 1.5 L turbo and 2.0 L naturally aspirated CVT; US Maintenance Minder table only; hatchback and Type R excluded
- Retrieved
- 2026-10-15
2021 Honda Civic Sedan Specifications, Honda Info Center
Official Honda specification table. This package preserves trim-dependent curb mass, wheel/tire, steering ratio and turning-circle differences as unresolved rather than inferring retail trim from an EPA transmission label.
- Applies to
- US model-year 2021 Civic Sedan; use only specifications common to all five published trim columns, or engine values identical in both 2.0 L columns/all three 1.5 L turbo columns
- Retrieved
- 2026-10-15
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