2020 GMC Yukon engine problems
10 owner complaints filed with NHTSA name the engine on the 2020 GMC Yukon — 29% of all complaints for this model year.
What owners report
“I took my vehicle to a dealer to repair something unrelated to the engine. They said the oil pan was leaking and pulled the pan to discover the crank shaft bearings were failing. The vehicle has 53,765 miles at this point. This appears to be the same defect being recalled on the 2022 through 2024…”
filed May 12, 2026
“The 2020 Yukon started to have serious loss of speed and decelerating issue when the vehicle would slow down and down shift to a lower gear. The issue with this is that once it downshifted it woul not engage in a gear again and leave me stranded on the road. I had to turn off the car and restart it…”
filed Mar 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Yukon years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon | 13 | 62% |
| 2025 Yukon | 31 | 63% |
| 2024 Yukon | 58 | 66% |
| 2023 Yukon | 137 | 65% |
| 2022 Yukon | 95 | 58% |
| 2021 Yukon | 158 | 53% |
| 2019 Yukon | 27 | 51% |
| 2018 Yukon | 27 | 39% |
| 2017 Yukon | 33 | 17% |
| 2016 Yukon | 33 | 12% |
| 2015 Yukon | 32 | 6% |
| 2014 Yukon | 8 | 14% |
Other reported problem areas on the 2020 GMC Yukon
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.