2020 Chevrolet Tahoe engine problems
12 owner complaints filed with NHTSA name the engine on the 2020 Chevrolet Tahoe — 22% of all complaints for this model year.
What owners report
“The 6.2L L87 V8 engine in my 2020 Chevrolet Tahoe Premier RST suffered a catastrophic internal component failure while operating. The engine experienced a sudden, severe internal mechanical breakdown involving the crankshaft or connecting rod bearings, completely disabling the powertrain.This…”
filed Aug 5, 2026
“The dealership where I get my 2020 Chevy Tahoe service, stated that there is a recall for the water pump for the 2020 Chevy Tahoe, due to a manufactory defect, causing the water pump to leak. On XXX, mileage 62,777, I had to replace my water pump for that same reason, but my vehicle was not part of…”
filed Jul 3, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
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% |
| 2021 Tahoe | 153 | 36% |
| 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 2020 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.