There are 3 owner-reported engine complaints for the 2020 Toyota Highlanderin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
While on the freeway vehicle stalled when accelerating and engine stopped, I had to pull over to the side of the road to avoid accident. Turned vehicle back on and started making a whinning noise. Vehicle was taken in and found out the transmission is no good at 89k. Also found out that a lot of people that purchased this vehicle are having the same issue.
GAS WILL NOT FILL UP TO THE ADVERTISED AMOUNT. DISTANCE TO EMPTY METER IS NOT CALIBRATED CORRECTLY. OTHERS ON TOYOTA FORUMS EXPERIENCE THE SAME ISSUE.
THE ENGINE DIED WHEN STOPPED AT STOP SIGN. AND THEN RESTARTED WHILE TRANSMISSION IN DRIVE.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026