Vehicle Data Hub

2021 Chevrolet Trailblazer drivetrain & axles problems

Owners reported drivetrain & axles problems in 41 complaints for the 2021 Chevrolet Trailblazer, 14% of the complaints on file. It is the most reported problem area for this model year.

At a glance

Complaints
41 14% of this year's complaints
Typical mileage
32,000 miles 10 complaints with mileage
Crashes and fires
1 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When drivetrain & axles problems show up

Drivetrain & axles complaints by mileage, 2021 Chevrolet Trailblazer Complaints by odometer reading in 20,000-mile steps. The median is about 32,000 miles. 0k to 20k miles: 2 complaints 20k to 40k miles: 4 complaints 40k to 60k miles: 3 complaints 60k to 80k miles: 1 complaints 80k to 100k miles: 0 complaints 100k to 120k miles: 0 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: 32,000 miles
Based on 10 complaints that include mileage. 90% 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 miles2
20k to 40k miles4
40k to 60k miles3
60k to 80k miles1
80k to 100k miles0
100k to 120k miles0
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 32,000 miles, and 90% were reported before 60,000 miles.

These complaints mention 1 crash, 1 fire.

What owners wrote

The contact owns a 2021 Chevrolet Trailblazer. The contact stated while driving 65 MPH the contact struck a deer on the front passenger side causing minor damages to the vehicle. No one was injured. The contact was able to stop on the side of the road. The contact smelled a burning odor and noticed that smoke was coming from the floor of the vehicle on the front passenger side near the seat belt assembly.

Reported at 20,000 miles, June 2023 CrashFire

The contact owns a 2021 Chevrolet Trailblazer. While the contact's wife was attempting to park the vehicle, the shift to park warning light illuminated. The dealer was made aware of the failure; however, the vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact was informed of an undisclosed recall; however, the VIN was not under recall. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 79,000.

Reported at 79,000 miles, August 2025

Other problems reported for the 2021 Chevrolet Trailblazer

Drivetrain & axles problems in other years

Drivetrain & axles problems across all Chevrolet models