2021 Honda Civic Specs
The 2021 Civic sedan comes with a 158 hp 2.0L four-cylinder (LX, Sport) or a 174 hp 1.5L turbo (EX and up), both with a CVT, and is EPA-rated at up to 36 mpg combined.
2 versions · 10th gen · Updated Sep 2026
- Oil capacity
- 3.7–4.4 qt
- by version ↓
- Tire size
- 16–17″
- by version ↓
- MPG combined
- 33–36 mpg
Versions #versions
Compare versions #compare
| 2.0L | 1.5L Turbo | |
|---|---|---|
| Horsepower | 158 hp | 174 hp |
| Torque | 138 lb-ft | 162 lb-ft |
| Transmission | CVT | CVT |
| Oil capacity | 4.4 qt | 3.7 qt |
| Tire size | 215/55R16 | 215/50R17 |
| MPG combined | 33 mpg | 36 mpg |
| Curb weight | 2,771 lb | 2,917 lb |
Recalls #recalls
-
Seat weight sensor may cause unintended air bag deployment
NHTSA 26V332000 · May 21, 2026 · Passenger seat weight sensor
The front passenger seat weight sensor may crack and short circuit, which can make the air bags deploy unintentionally in a crash.
-
Passenger air bag may not be switched off
NHTSA 24V064000 · Feb 1, 2024 · Passenger seat weight sensor
The front passenger seat weight sensor may crack and short circuit, so the passenger air bag may not be suppressed when it should be.
-
Fuel pump may fail
NHTSA 23V858000 · Dec 18, 2023 · Fuel pump
The fuel pump inside the fuel tank may fail.
-
Master cylinder may separate from the brake booster
NHTSA 23V458000 · Jun 29, 2023 · Brake master cylinder
The fastener joining the brake booster and master cylinder may be assembled incorrectly, so the master cylinder can separate from the booster.
FAQ
What is the lug nut torque on a 2021 Honda Civic?
Honda specifies 80 lb-ft (108 N·m) for the wheel nuts.
How big is the gas tank on a 2021 Civic sedan?
12.4 gallons.
Sources: 2021 Honda Civic Sedan Owner's Manual, 2021 Honda Civic Sedan Specifications & Features (Honda News), EPA fueleconomy.gov, NHTSA recalls. Updated Sep 2026.