2021 Toyota Highlander - Maintenance & Specs
The 2021 Toyota Highlander belongs to a Toyota Highlander lineup that Know Your Ride tracks across 16 model years, from 2001 to 2026. Engine options on record include the 3.5L V6, 3.5L. It is configured as all-wheel drive with an automatic (s8). The 2021 sits mid-run, with both earlier (2001) and later (2026) Highlander model years also documented.
It takes 0W-16 full synthetic oil, 5.8 qt with a new filter. Fluid specs on file include Super Long Life coolant, DOT 3 brake fluid, ATF WS 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 30 ft-lb, lug nut 76 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around power train (142), service brakes (41), unknown or other (34). A representative report reads: "My car start with a noise and just lost power in the middle of the road causing almost an accident. This was caused due to the manufacture issue for the..." There are 4 safety recalls on record; one covers: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2023 Highlander & Highlander Hybrid vehicles. During normal vehicle....
EPA fuel economy is rated at 20 city / 27 highway MPG, 23 MPG combined. Estimated annual fuel cost is about $1,900.
Quick Specs
| Oil viscosity | 0W-16 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 5.8 qt |
| Oil filter | Toyota 04152-YZZA5 |
| EPA combined | 23 MPG |
| Tire size | 245/60R18 |
| Coolant | Super Long Life |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 4 |
| Technical service bulletins | 135 |
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.