2021 Honda Civic - Maintenance & Specs
The 2021 Honda Civic belongs to a Honda Civic lineup that Know Your Ride tracks across 41 model years, from 1981 to 2026. Engine options on record include the 2.0L, 2.0L I4. It is configured as front-wheel drive with an automatic (av-s7). The 2021 sits mid-run, with both earlier (1981) and later (2026) Civic model years also documented.
It takes 0W-20 full synthetic oil, 3.7 qt with a new filter meeting API SP / ILSAC GF-6. Fluid specs on file include Type 2 coolant, DOT 3 brake fluid, Honda ATF DW-1 transmission fluid. Know Your Ride lists 13 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 29 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around steering (45), forward collision avoidance (12), air bags (8). A representative report reads: "Steering rack binds and requires extra effort to return to center. Specifically for me, when proceeding on a long curve that requires me to turn my steering..." There are 3 safety recalls on record; one covers: Honda (American Honda Motor Co.) is recalling certain 2020-2021 Civic, 2020-2023 Ridgeline, 2021-2023 Passport, 2021-2022 Pilot, and 2020 Acura MDX....
EPA fuel economy is rated at 29 city / 37 highway MPG, 32 MPG combined. Estimated annual fuel cost is about $1,350.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 3.7 qt |
| OEM oil spec | API SP / ILSAC GF-6 |
| Oil filter | Fram XG7317 |
| EPA combined | 32 MPG |
| Tire size | 215/55R17 |
| Coolant | Type 2 |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 3 |
| Technical service bulletins | 63 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.