2021 Toyota 4Runner: Reliability Data

Source: NHTSA — 52 complaints
52
Total Complaints
637mi
Median Mileage
STEERING
Top Issue
5
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

350 25th Percentile
637 Median Mileage
637 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STEERING
11
SUSPENSION
10
SERVICE BRAKES
6
WHEELS
4
ELECTRICAL SYSTEM
3
VISIBILITY/WIPER
2
UNKNOWN OR OTHER
2
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
2
EXTERIOR LIGHTING
2
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
2

Severity Assessment

5
Crashes
2
Fires
3
Injuries
0
Deaths

Sample Complaint Reports

"TIRE PRESSURE WAS 56 PSI ON ALL FOUR TIRES; MEASURED ON THREE DIFFERENT GAUGES. BRIDGESTONE DUELER H/T TIRES WITH WRITING 'NEVER EXCEED 40 PSI'. NEW CAR PURCHASED 13 DAYS AGO."
"WHILE DRIVING IN A SNOWSTORM ON AN INTERSTATE HIGHWAY AT NIGHT ON 1/25/2021, TWO IMPORTANT SAFETY SYSTEMS FAILED DUE TO ICE AND SNOW BUILDUP ON THE VEHICLE. FAILURE 1: THE PRE COLLISION SYSTEM (PCS) WARNING LIGHT ILLUMINATED INDICATING TEMPORARY FAILURE OF THE PCS SYSTEM (SEE PHOTO 1). THIS WAS DUE ..."
"WHILE DRIVING IN A SNOWSTORM ON AN INTERSTATE HIGHWAY AT NIGHT ON 1/25/2021, TWO IMPORTANT SAFETY SYSTEMS FAILED DUE TO ICE AND SNOW BUILDUP ON THE VEHICLE. FAILURE 1: THE PRE COLLISION SYSTEM (PCS) WARNING LIGHT ILLUMINATED INDICATING TEMPORARY FAILURE OF THE PCS SYSTEM (SEE PHOTO 1). THIS WAS DUE ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28