2016 Toyota 4Runner: Reliability Data

Source: NHTSA — 101 complaints
101
Total Complaints
25,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
8
Crash Reports

When Do Complaints Happen?

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

9,250 25th Percentile
25,000 Median Mileage
46,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
17
UNKNOWN OR OTHER
16
SUSPENSION
9
AIR BAGS
9
STRUCTURE:BODY
6
ENGINE
6
POWER TRAIN
5
VISIBILITY/WIPER
4
WHEELS
4
STEERING
4

Severity Assessment

8
Crashes
2
Fires
10
Injuries
0
Deaths

Sample Complaint Reports

"TOYOTA USES ENGINE WIRING THAT HAS A SOY BASED COATING. THIS ENCOURAGES RODENTS TO CHEW ON THEM. WE WERE CAMPED (PARKED) AND WHEN WE TRIED TO DRIVE THE CAR IT SHUDDERED AND THE CHECK ENGINE LIGHT WAS ON ALONG WITH SEVERAL OTHER INDICATORS. THE CAR WAS RUNNING ON FIVE CYLINDERS. WE MANAGED TO GET IT ..."
"THE DAY AFTER WE PURCHASED THIS 4RUNNER IN OCTOBER 2015 THE 4 WHEEL DRIVE STOPPED WORKING AND WHEN WE TOOK IT BACK TO THE DEALER THEY SAID THAT RODENTS HAD CHEWED THROUGH THE WIRE HOUSING CONNECTED TO THE DRIVE TRAIN. INITIALLY THEY WERE NOT GOING TO WARRANTY THE ISSUE BUT AFTER FURTHER AGGRESSIVE D..."
"THE DAY AFTER WE PURCHASED THIS 4RUNNER IN OCTOBER 2015 THE 4 WHEEL DRIVE STOPPED WORKING AND WHEN WE TOOK IT BACK TO THE DEALER THEY SAID THAT RODENTS HAD CHEWED THROUGH THE WIRE HOUSING CONNECTED TO THE DRIVE TRAIN. INITIALLY THEY WERE NOT GOING TO WARRANTY THE ISSUE BUT AFTER FURTHER AGGRESSIVE D..."

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