2021 GMC Yukon XL power train problems
47 owner complaints filed with NHTSA name the power train on the 2021 GMC Yukon XL — 21% of all complaints for this model year.
What owners report
“Vehicle is equipped with the 6.2L L87 V8 engine. Prior to receiving the dealer service for Recall 25V-274, the vehicle experienced a distinct highway vibration, powertrain shudder, and fluctuating/jumping RPMs on the highway. The dealer subsequently performed the recall remedy by updating the…”
filed Sep 1, 2026
“2022 GMC Yukon XL suffered catastrophic transmission failure at approximately 87,000 miles. An ASE-certified transmission repair facility determined that the torque converter failed, resulting in transmission damage requiring over $7,000 in repairs. GM declined any assistance solely because the…”
filed Aug 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Transmission control valve may fail and cause the rear wheels to lock-upCampaign 24V797000 · Oct 24, 2024
- Rear wheel driveshaft assemblies may have internal components that were not heat-treated…Campaign 22V036000 · Jan 27, 2022
Power Train problems in other Yukon XL years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon XL | 1 | 3% |
| 2025 Yukon XL | 2 | 7% |
| 2024 Yukon XL | 11 | 16% |
| 2023 Yukon XL | 38 | 18% |
| 2022 Yukon XL | 30 | 18% |
| 2020 Yukon XL | 12 | 26% |
| 2019 Yukon XL | 15 | 22% |
| 2018 Yukon XL | 8 | 15% |
| 2017 Yukon XL | 36 | 24% |
| 2016 Yukon XL | 33 | 17% |
| 2015 Yukon XL | 35 | 11% |
| 2011 Yukon XL | 4 | 9% |
Other reported problem areas on the 2021 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.