Vehicle Data Hub

2021 Chevrolet Tahoe engine problems

Owners reported engine problems in 186 complaints for the 2021 Chevrolet Tahoe, 28% of the complaints on file. It is the most reported problem area for this model year.

At a glance

Complaints
186 28% of this year's complaints
Typical mileage
61,000 miles 41 complaints with mileage
Crashes and fires
2 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 2021 Chevrolet Tahoe Complaints by odometer reading in 20,000-mile steps. The median is about 61,000 miles. 0k to 20k miles: 11 complaints 20k to 40k miles: 3 complaints 40k to 60k miles: 6 complaints 60k to 80k miles: 9 complaints 80k to 100k miles: 6 complaints 100k to 120k miles: 2 complaints 120k to 140k miles: 1 complaints 140k to 160k miles: 2 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 1 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 61,000 miles
Based on 41 complaints that include mileage. 49% 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 miles11
20k to 40k miles3
40k to 60k miles6
60k to 80k miles9
80k to 100k miles6
100k to 120k miles2
120k to 140k miles1
140k to 160k miles2
160k to 180k miles0
180k to 200k miles1
200k+ miles0

What the data shows

Of the 41 engine complaints that report mileage, the median is about 61,000 miles, and 49% were reported before 60,000 miles.

These complaints mention 2 crashes, 1 fire.

What owners wrote

The contact owns a 2021 Chevrolet Tahoe. The contact stated that stated while the vehicle was parked and unoccupied caught fire without warning. The contact noticed there was smoke and flames emerging from the vehicle, and it burnt to the ground. There were no reported injuries. The contact's belongings purse and wallet were destroyed in the fire. The fire department extinguished the fire. A police report was not filed. The contact called the local dealer but the vehicle was not diagnosed or repaired.

Reported at 10,000 miles, January 2022 Fire

The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving at various speeds, the vehicle lost power and shut off unexpectedly. The contact stated that several attempts were needed to restart the vehicle to continue driving. The check engine warning light was illuminated during the failure. The vehicle made an abnormal ticking sound while idling. The vehicle was taken to the dealer but was not diagnosed or repaired.

Reported at 24,971 miles, July 2025

Other problems reported for the 2021 Chevrolet Tahoe

Engine problems in other years

Engine problems across all Chevrolet models