2026 GMC Yukon XL engine problems
20 owner complaints filed with NHTSA name the engine on the 2026 GMC Yukon XL — 63% of all complaints for this model year.
What owners report
“The contact owned a 2026 GMC Yukon XL. The contact stated that while driving at an undisclosed speed, the vehicle suddenly turned off and lost engine power. There was no warning light illuminated. The vehicle was pulled over to the side of the road and was then towed to an independent mechanic to…”
filed Sep 14, 2026
“Filing as a proactive data point for the ongoing NHTSA Office of Defects Investigation Engineering Analysis (EA26005) regarding GM 6.2L L87 engine failures. Vehicle is a 2026 GMC Yukon XL AT4 equipped with the 6.2L V8 and 10-speed transmission. The vehicle currently has approximately 2,800 miles…”
filed Aug 27, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Yukon XL years
| Year | Reports | Share |
|---|---|---|
| 2025 Yukon XL | 16 | 59% |
| 2024 Yukon XL | 53 | 76% |
| 2023 Yukon XL | 142 | 67% |
| 2022 Yukon XL | 108 | 66% |
| 2021 Yukon XL | 135 | 61% |
| 2020 Yukon XL | 24 | 52% |
| 2019 Yukon XL | 34 | 51% |
| 2018 Yukon XL | 14 | 26% |
| 2017 Yukon XL | 26 | 18% |
| 2016 Yukon XL | 26 | 13% |
| 2015 Yukon XL | 26 | 8% |
| 2013 Yukon XL | 1 | 5% |
Other reported problem areas on the 2026 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.