2021 Chevrolet Tahoe engine problems
153 owner complaints filed with NHTSA name the engine on the 2021 Chevrolet Tahoe — 36% of all complaints for this model year.
What owners report
“While at a drive thru, my 2021 Chevy Tahoe High Country experienced a total failure with no advance warning where the engine shut down and would not restart despite what appeared to be good electrical power. We tried to jump start the vehicle with both another vehicle as well as a AAA power pack…”
filed Aug 4, 2026
“The engine in my 2021 Chevrolet Tahoe High Country equipped with the 6.2L V8 (L87) experienced a catastrophic failure. While driving, the vehicle suddenly lost power, displayed a “Service ESC” warning, illuminated the check engine light, and unexpectedly shifted into Neutral. After stopping the…”
filed Jul 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Connecting rod and/or crankshaft engine components may have manufacturing defects that…Campaign 25V274000 · Apr 24, 2025
Engine problems in other Tahoe years
| Year | Reports | Share |
|---|---|---|
| 2026 Tahoe | 12 | 63% |
| 2025 Tahoe | 20 | 53% |
| 2024 Tahoe | 20 | 33% |
| 2023 Tahoe | 107 | 53% |
| 2022 Tahoe | 67 | 38% |
| 2020 Tahoe | 12 | 22% |
| 2019 Tahoe | 28 | 27% |
| 2018 Tahoe | 19 | 19% |
| 2017 Tahoe | 26 | 15% |
| 2016 Tahoe | 19 | 7% |
| 2015 Tahoe | 45 | 7% |
| 2014 Tahoe | 2 | 2% |
Other reported problem areas on the 2021 Chevrolet Tahoe
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.