2015 GMC Yukon engine problems
32 owner complaints filed with NHTSA name the engine on the 2015 GMC Yukon — 6% of all complaints for this model year.
What owners report
“While traveling at highway speeds on Interstate 5 in Oregon, my 2015 GMC Yukon Denali experienced a sudden, catastrophic engine failure with zero advance warning. The vehicle instantly lost almost all propulsion and power while surrounded by high-speed traffic, creating an immediate and severe…”
filed May 23, 2026
“Noticed a tick sound. Sent to dealer. Lifter failed. Bent push rod. Took it in Nov 24th. Charged $7,100. Fixed all lifters and bent push rod. Was turning around in my driveway and vehicle just shut off. Took it back to same dealer in Jan 27th. Bad lifter. Same push rod. Still in shop. That’s two…”
filed Feb 3, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Engine and Engine CoolingCampaign 14V007000 · Jan 13, 2014
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% |
| 2020 Yukon | 10 | 29% |
| 2019 Yukon | 27 | 51% |
| 2018 Yukon | 27 | 39% |
| 2017 Yukon | 33 | 17% |
| 2016 Yukon | 33 | 12% |
| 2014 Yukon | 8 | 14% |
Other reported problem areas on the 2015 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.