2020 GMC Yukon XL engine problems
24 owner complaints filed with NHTSA name the engine on the 2020 GMC Yukon XL — 53% of all complaints for this model year.
What owners report
“My family drove from [XXX] to [XXX]. Upon arrival check engine light came on, we proceeded to a local shop, by the time we arrive check engine light was flashing and engine was knocking and was clearly malfunctioning. Shop owner recommended we transport the vehicle back home as service shops in the…”
filed Jul 12, 2026
“The engine light came on and started making noise. We drove it to a mechanic shop, and they said the code stated camshaft and other component issues, but the engine ended up failing completely and was rebuilt. We initially checked for recalls and our VIN did not show any; however, we recently…”
filed Jun 5, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Yukon XL years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon XL | 12 | 55% |
| 2025 Yukon XL | 11 | 50% |
| 2024 Yukon XL | 45 | 74% |
| 2023 Yukon XL | 124 | 65% |
| 2022 Yukon XL | 98 | 65% |
| 2021 Yukon XL | 117 | 58% |
| 2019 Yukon XL | 32 | 49% |
| 2018 Yukon XL | 13 | 25% |
| 2017 Yukon XL | 25 | 17% |
| 2016 Yukon XL | 26 | 13% |
| 2015 Yukon XL | 26 | 8% |
| 2013 Yukon XL | 1 | 5% |
Other reported problem areas on the 2020 GMC Yukon XL
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.