2019 GMC Yukon engine problems
28 owner complaints filed with NHTSA name the engine on the 2019 GMC Yukon — 52% of all complaints for this model year.
What owners report
“Yukon would not idle without turning off on its own. Check engine light came on. Took it to my mechanic. Check engine light was flashing which indicated an active misfire. A running compression test found little to no compression from cylinder 6. Further investigation found that cylinder 5 had been…”
filed Aug 28, 2026
“My wife drives this vehicle to work, it has started to experience reduced engine power driving on the highway causing her to pull to the side of the road due to no throttle to maneuver the vehicle in and out of traffic, leaving her on the side of the busy highway, we have now parked the vehicle…”
filed Aug 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Yukon years
| Year | Reports | Share |
|---|---|---|
| 2026 Yukon | 28 | 76% |
| 2025 Yukon | 34 | 65% |
| 2024 Yukon | 71 | 69% |
| 2023 Yukon | 153 | 65% |
| 2022 Yukon | 107 | 60% |
| 2021 Yukon | 179 | 55% |
| 2020 Yukon | 12 | 33% |
| 2018 Yukon | 27 | 39% |
| 2017 Yukon | 33 | 17% |
| 2016 Yukon | 34 | 13% |
| 2015 Yukon | 32 | 6% |
| 2014 Yukon | 8 | 14% |
Other reported problem areas on the 2019 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.