YearToAvoid

2021 Toyota RAV4 Engine Problems

NHTSA lists 46 engine-related complaints for the 2021 Toyota RAV4, about 12% of its 386 total complaints for the year. Owners reported unintended acceleration, engine stalling, and coolant bypass valve failures, with a median failure mileage of 41,500. No related recalls are listed.

Engine complaints
46
12% of 386
Crashes reported
3
Fires reported
3
Injuries reported
7
Median mileage
41,500 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report a dashboard message reading "engine maintenance required, visit your dealer" tied to a failing coolant bypass valve.
  • Some drivers describe the engine stalling suddenly on the road, including one case right after shifting into Drive after reversing, with no warning lights beforehand.
  • One owner reported unintended acceleration while merging at highway speed despite pressing the brake, leading to a crash.
  • Owners describe the hybrid system shutting down along with AWD and automatic emergency braking, accompanied by an illuminated engine light.
  • One complaint described flames coming from the engine compartment while driving at low speed, destroying the vehicle.
  • A driver reported an abnormally loud grinding sound from the engine while the vehicle was stationary, with no warning light and no fault found by the dealer.

When 2021 Toyota RAV4 engine complaints were filed

First complaint May 14, 2021, latest Sep 13, 2026.

2021 Toyota RAV4 engine complaints: complaints filed per month3May 2021Aug 2022Jun 2023Mar 2024Sep 2024Aug 2025May 2026
46 complaints filed with NHTSA from May 2021 to Sep 2026; peak May 2025 (3).

Engine recalls for the 2021 Toyota RAV4

No safety recalls on record for this model year.

Engine complaints by RAV4 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 2010107 (27%)
  2. 201198 (34%)
  3. 201269 (27%)
  4. 201345 (18%)
  5. 201438 (19%)
  6. 201556 (18%)
  7. 201636 (15%)
  8. 201746 (15%)
  9. 201850 (15%)
  10. 2019239 (27%)
  11. 2020205 (32%)
  12. 202146 (12%)
  13. 202234 (23%)
  14. 202332 (21%)
  15. 202446 (26%)
  16. 202518 (21%)

Frequently asked questions

How many engine complaints does the 2021 Toyota RAV4 have?
NHTSA lists 46 engine-related complaints for the 2021 RAV4, which is about 12% of the 386 total complaints filed for that model year.
Is there a recall for the 2021 Toyota RAV4 engine problems?
No related recalls are listed in NHTSA data for this engine complaint category on the 2021 RAV4.
At what mileage do 2021 RAV4 engine problems usually appear?
The median mileage at failure for engine-related complaints on the 2021 RAV4 is 41,500 miles.
What engine problems do 2021 RAV4 owners report most?
Owners commonly describe a coolant bypass valve triggering an engine maintenance warning, sudden stalling, and in some cases unintended acceleration or engine compartment fires.
Are the 2021 RAV4 engine complaints serious?
NHTSA data tied to this complaint category includes 3 crashes, 3 fires, and 7 injuries reported for the 2021 RAV4.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.