2021 Acura ILX - Maintenance & Specs
The 2021 Acura ILX belongs to a Acura ILX lineup that Know Your Ride tracks across 2 model years, from 2020 to 2021. Engine options on record include the 2.4L, 2.4L I4. It is configured as front-wheel drive with an automatic (am-s8). This 2021 car is the most recent Acura ILX model year on record.
It takes 0W-20 full synthetic oil, 4.5 qt with a new filter meeting API SP. Fluid specs on file include Type 2 coolant, DOT 4 brake fluid, Honda ATF DW-1 transmission fluid. Know Your Ride lists 14 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 air bags (2), exterior lighting,lane departure (2), electrical system,forward collision avoidance (1). A representative report reads: "am reporting a serious safety defect in my 2021 Acura ILX involving the front headlight assembly. Water is entering the headlight housing due to what appears..."
EPA fuel economy is rated at 24 city / 34 highway MPG, 28 MPG combined. Estimated annual fuel cost is about $2,050.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SP |
| EPA combined | 28 MPG |
| Tire size | 225/45R18 |
| Coolant | Type 2 |
| NHTSA overall | 5 / 5 stars |
| Technical service bulletins | 34 |
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.