2004 Toyota 4Runner: Reliability Data

Source: NHTSA — 846 complaints
846
Total Complaints
124,800mi
Median Mileage
STRUCTURE:BODY
Top Issue
33
Crash Reports

When Do Complaints Happen?

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

80,000 25th Percentile
124,800 Median Mileage
159,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STRUCTURE:BODY
260
UNKNOWN OR OTHER
114
SUSPENSION
106
SERVICE BRAKES
57
VEHICLE SPEED CONTROL
29
AIR BAGS
25
STEERING
25
STRUCTURE
22
ELECTRICAL SYSTEM
19
POWER TRAIN
18

Severity Assessment

33
Crashes
6
Fires
21
Injuries
0
Deaths

Sample Complaint Reports

"DT*: THE CONTACT STATED WHILE DRIVING AT ANY SPEED OR EVEN PARKED WITH THE ENGINE RUNNING, THERE WAS STRONG GAS ODOR INSIDE THE CABIN. THE VEHICLE WAS TAKEN TO AN INDEPENDENT CERTIFIED MECHANIC WHO DISCOVERED RUST IN THE INJECTION SYSTEM AND A CATALYTIC CONVERTER FAILURE."
"DT*: THE CONTACT STATED WHILE DRIVING AT ANY SPEED OR EVEN PARKED WITH THE ENGINE RUNNING, THERE WAS STRONG GAS ODOR INSIDE THE CABIN. THE VEHICLE WAS TAKEN TO AN INDEPENDENT CERTIFIED MECHANIC WHO DISCOVERED RUST IN THE INJECTION SYSTEM AND A CATALYTIC CONVERTER FAILURE."
"TRAVELING 55 MPH ON CA INTERSTATE WHEN CAR DIRECTLY IN FRONT OF ME ABRUPTLY STOPPED. THERE WAS NOT ENOUGH TIME FOR ME TO STOP, SO I IMPACTED THE REAR OF THE VEHICLE HEAD ON AT APPROXIMATELY 45 MPH. NOT ONE OF THE AIRBAGS IN MY VEHICLE DEPLOYED. CONTACTED TOYOTA ABOUT THIS AND THEY SAID IT IS THEIR "..."

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