2011 GMC Terrain electrical system problems
29 owner complaints filed with NHTSA name the electrical system on the 2011 GMC Terrain — 8% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact purchased a 2011 GMC Terrain. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 87,000, and at the time of registration, it was discovered that the mileage was…”
filed Aug 21, 2025
“Ok so my 2011 GMC terrain just went over 150,000 miles I bought this vehicle used from a dealership not knowing that there was a big lawsuit or that GMC continuted making this make and model knowing that it had a oil usage problem. So mmm mmm with that being said let's start with my vehicle uses…”
filed Dec 16, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Also, certain 2013 Buick Encore, 2011 Buick Regal, 2013-2014 Buick Verano, 2011-2016…Campaign 16V502000 · Jul 5, 2016
Electrical System problems in other Terrain years
| Year | Reports | Share |
|---|---|---|
| 2026 Terrain | 4 | 14% |
| 2024 Terrain | 6 | 12% |
| 2023 Terrain | 7 | 18% |
| 2022 Terrain | 7 | 12% |
| 2021 Terrain | 7 | 20% |
| 2020 Terrain | 27 | 14% |
| 2019 Terrain | 38 | 21% |
| 2018 Terrain | 35 | 16% |
| 2017 Terrain | 9 | 7% |
| 2016 Terrain | 9 | 6% |
| 2015 Terrain | 31 | 10% |
| 2014 Terrain | 31 | 10% |
Other reported problem areas on the 2011 GMC Terrain
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.