2021 Chevrolet Colorado power train problems
10 owner complaints filed with NHTSA name the power train on the 2021 Chevrolet Colorado — 14% of all complaints for this model year.
What owners report
“While driving on the parkway, the engine revved, and then the brakes became hard as a brick. The truck was unable to be stopped. There were no warning lamps or indications there was a problem, it happened suddenly and immediately. Other drivers' and my own safety was at risk because I could not…”
filed Jul 5, 2026
“Brake vacuum pump appeared to fail creating brake system malfunction. Appears determined by mechanics to have seized and caused damage to cam shaft. Driver’s safety issue caused when trying to brake vehicle not functioning. Vehicle was towed to mechanic shop. There were no warning signs of…”
filed May 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Colorado years
| Year | Reports | Share |
|---|---|---|
| 2025 Colorado | 3 | 11% |
| 2024 Colorado | 13 | 11% |
| 2023 Colorado | 9 | 7% |
| 2022 Colorado | 3 | 6% |
| 2020 Colorado | 32 | 41% |
| 2019 Colorado | 62 | 43% |
| 2018 Colorado | 78 | 43% |
| 2017 Colorado | 106 | 49% |
| 2016 Colorado | 96 | 14% |
| 2015 Colorado | 44 | 9% |
| 2012 Colorado | 2 | 5% |
| 2011 Colorado | 2 | 5% |
Other reported problem areas on the 2021 Chevrolet Colorado
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.