Vehicle Data Hub

2021 Toyota Highlander drivetrain & axles problems

225 complaints about drivetrain & axles have been filed for the 2021 Toyota Highlander, which is 34% of all its NHTSA complaints. It is the most reported problem area for this model year.

At a glance

Complaints
225 34% of this year's complaints
Typical mileage
61,000 miles 10 complaints with mileage
Crashes and fires
3 and 0
Injuries and deaths
3 and 0

Source: NHTSA owner complaints

When drivetrain & axles problems show up

Drivetrain & axles complaints by mileage, 2021 Toyota Highlander Complaints by odometer reading in 20,000-mile steps. The median is about 61,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 0 complaints 40k to 60k miles: 3 complaints 60k to 80k miles: 5 complaints 80k to 100k miles: 0 complaints 100k to 120k miles: 1 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 61,000 miles
Based on 10 complaints that include mileage. 40% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles1
20k to 40k miles0
40k to 60k miles3
60k to 80k miles5
80k to 100k miles0
100k to 120k miles1
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 10 drivetrain & axles complaints that report mileage, the median is about 61,000 miles, and 40% were reported before 60,000 miles.

These complaints mention 3 crashes, 3 injuries.

What owners wrote

Vehicle had a very loud high pitch whining noise the rapid accelerated I was braking and brakes were not working vehicle screen was flashing Vehicle Malfunction. yes vehicle is available. I could not stop the vehicle I struck three signs and a lady fell down as i was approaching the the building very fast, hit a wrought iron black fence and it fell on a park vehicle and then i hit a park vehicle and it stop i threw it in park. i am not sure.

August 2025 CrashInjury

The contact owns a 2021 Toyota Highlander. The contact stated that there was an abnormal winding sound coming from the vehicle while accelerating. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed with transmission failure. The vehicle was not repaired. The contact called a transmission shop and was informed that the part to repair the vehicle was on back order.

Reported at 106,000 miles, February 2026

Other problems reported for the 2021 Toyota Highlander

Drivetrain & axles problems in other years

Drivetrain & axles problems across all Toyota models