GMC Transmission Problems by Model
By CarWhere Research · Updated
Owners have filed 3,763 transmission complaints with NHTSA across the 7 GMC models we track that have at least 50 each. The most come from the GMC Acadia (1,180). Per 1,000 sold, the highest rate is the GMC Acadia at 0.94 and the lowest is the GMC Sierra 1500 at 0.54, against a 0.28 median across all 53 rated models.
GMC models by transmission complaints
| Model | Transmission complaints | Per 1,000 sold | Share of all complaints | Worst years |
|---|---|---|---|---|
| GMC Acadia | 1,180 | 0.94 | 23.1% | 2008, 2017 and 2018 |
| GMC Sierra 1500rate: GMC Sierra, all variants | 1,142 | 0.54 | 17.4% | 2017, 2021 and 2018 |
| GMC Yukon | 500 | — | 11% | 2015, 2017 and 2016 |
| GMC Terrain | 480 | — | 15.1% | 2011, 2019 and 2010 |
| GMC Sierra 2500 | 176 | — | 14.7% | 2017, 2020 and 2024 |
| GMC Yukon XL | 156 | — | 12.2% | 2021, 2023 and 2022 |
| GMC Sierra 3500 | 129 | — | 17.8% | 2017, 2020 and 2023 |
Per 1,000 sold appears only where published U.S. sales exist for at least three model years. Data fetched July 2026 to November 2026.
GMC transmissions
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Frequently asked questions
Does GMC have transmission problems?
Owners have filed 3,763 transmission complaints with NHTSA across the 7 GMC models we track that have at least 50 each. The most come from the GMC Acadia (1,180). Per 1,000 sold, the highest rate is the GMC Acadia at 0.94 and the lowest is the GMC Sierra 1500 at 0.54, against a 0.28 median across all 53 rated models.
Which GMC models have the most transmission complaints?
the GMC Acadia (1,180), the GMC Sierra 1500 (1,142) and the GMC Yukon (500), by owner complaints filed with NHTSA. Raw counts favor high-selling models, so compare the per-1,000-sold column too.
Which GMC has the fewest transmission complaints per 1,000 sold?
The GMC Sierra 1500, at 0.54 transmission complaints per 1,000 sold across its rated years. That is a complaint rate, not a failure rate.
Sources
- NHTSA complaints by vehicle (owner complaints API) — National Highway Traffic Safety Administration
- NHTSA recalls by vehicle — National Highway Traffic Safety Administration
- Report a vehicle safety problem — National Highway Traffic Safety Administration