2017 Toyota 4Runner: Reliability Data

47
Total Complaints
13,000mi
Median Mileage
UNKNOWN OR OTHER
Top Issue
2
Crash Reports

When Do Complaints Happen?

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

7,700 25th Percentile
13,000 Median Mileage
39,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER
13
SERVICE BRAKES
9
ELECTRICAL SYSTEM
5
AIR BAGS
3
ENGINE
2
STEERING
2
STRUCTURE:BODY
2
SUSPENSION
2
VEHICLE SPEED CONTROL
2
FUEL/PROPULSION SYSTEM
2

Severity Assessment

2
Crashes
1
Fires
7
Injuries
0
Deaths

Sample Complaint Reports

"AFTER LESS THAN 20 DAYS OF OWNERSHIP OF A NEW 2017 TOYOTA 4RUNNER AND LESS THAN 600 MILES, THE CAR FAILED TO IDLE, SHOWED CHECK ENGINE LIGHT AND TRAC OFF LIGHT STAYED LIT. THE CAR WAS UNSAFE TO DRIVE AND HAD IT TOWED TO THE TOYOTA DEALERSHIP. THEY DIAGNOSED THAT THE INJECTOR WIRE HAD BEEN CHEWED B..."
"MY CAR WAS PARKED OVERNIGHT AND THE NEXT DAY WHEN I GOT IN TO RUN ERRANDS AND MY CHECK ENGINE LIGHT WAS FLASHING AND MY TRAC OFF LIGHT WAS ON. WHEN I PUT THE VEHICLE IN DRIVE IT WAS VERY SLUGGISH, I CALLED THE DEALER AND THEY SENT A TOW TRUCK. THE TRUCK STAYED OVERNIGHT SO THEY COULD DIAGNOSE BUT SH..."
"BRAKE FAILURE. APPROACHING 4 WAY STOP. WENT TO APPLY BRAKES, HEARD-FELT A POP AND PEDAL WENT TO FLOOR AND LOST ALL BRAKING POWER. THIS IS A NEW VEHICLE. HAD TO USE PARKING BRAKE AND TRANSMISSION TO SLOW TO STOP. FORTUNATELY ONLY GOING 30MPH........STILL ROLLED INTO CENTER OF 4 WAY INTERSECTION..."

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