2006 Toyota Highlander Hybrid: Reliability Data

Source: NHTSA — 481 complaints
481
Total Complaints
100,000mi
Median Mileage
SERVICE BRAKES
Top Issue
45
Crash Reports

When Do Complaints Happen?

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

54,000 25th Percentile
100,000 Median Mileage
135,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES
76
ELECTRICAL SYSTEM
69
SERVICE BRAKES, HYDRAULIC
40
HYBRID PROPULSION SYSTEM: INVERTER
40
VEHICLE SPEED CONTROL
32
ENGINE
25
ELECTRONIC STABILITY CONTROL (ESC)
24
STEERING
23
SERVICE BRAKES, ELECTRIC
21
ENGINE AND ENGINE COOLING
20

Severity Assessment

45
Crashes
12
Fires
10
Injuries
2
Deaths

Sample Complaint Reports

"2006 TOYOTA HIGHLANDER 4WD HYBRID STALLED DURING LEFT TURN (IN FRONT OF TRAFFIC) WHEN TRAVELING TO WORK. BOTH THE GAS AND ELECTRIC ENGINE STALLED - I.E. I PUSHED THE GAS AND NOTHING HAPPENED. TURNED THE ENGINE OFF AND RESTARTED, AND EVERYTHING HAS WORKED WELL SINCE (4 DAYS). *NM"
"NEW 2006 HIGHLANDER HYBRID 7200 MILES, WELL UNDER BOTH FACTORY AND EXTENDED WARRANTY. NO A/C -AIR CONDITIONING NOT WORKING- FOUND THAT SMALL PEBBLE/ROCK HAD DAMAGED AC CONDENSER ASSEMBLY, AND ALL COOLANT LOST. UNLIKE GAS VERSION OF HIGHLANDER, HYBRID HIGHLANDER HAS ZERO PROTECTION FROM ANY R..."
"NEW 2006 HIGHLANDER HYBRID 7200 MILES, WELL UNDER BOTH FACTORY AND EXTENDED WARRANTY. NO A/C -AIR CONDITIONING NOT WORKING- FOUND THAT SMALL PEBBLE/ROCK HAD DAMAGED AC CONDENSER ASSEMBLY, AND ALL COOLANT LOST. UNLIKE GAS VERSION OF HIGHLANDER, HYBRID HIGHLANDER HAS ZERO PROTECTION FROM ANY R..."

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