GMC transmission problems
Across all GMC models in NHTSA's complaint database, 1,080 complaints involve transmission. The Sierra accounts for the largest share (17%). The single worst model year is the 2002 Envoy with 60 transmission complaints.
At a glance
- Complaints
- 1,080 about transmission, all GMC models
- Most affected
- Sierra 17% of these complaints
- Typical mileage
- 47,000 miles 431 complaints with mileage
- Crashes and fires
- 45 and 32
Source: NHTSA owner complaints
Which GMC models
| Model | Complaints | Share |
|---|---|---|
| Sierra | 179 | 17% |
| Jimmy | 140 | 13% |
| Envoy | 101 | 9% |
| Suburban | 87 | 8% |
| Yukon | 72 | 7% |
| Sonoma | 67 | 6% |
| Safari | 66 | 6% |
| Acadia | 59 | 6% |
| Sierra 1500 | 52 | 5% |
| Sierra 2500 | 33 | 3% |
Worst model years for transmission
- 2002 GMC Envoy60 complaints
- 1997 GMC Jimmy24 complaints
- 1997 GMC Suburban24 complaints
- 1998 GMC Jimmy23 complaints
- 1997 GMC Sierra23 complaints
Transmission complaints by model year
View the numbers
| Model year | Complaints |
|---|---|
| 1990 | 9 |
| 1991 | 13 |
| 1992 | 16 |
| 1993 | 38 |
| 1994 | 41 |
| 1995 | 62 |
| 1996 | 84 |
| 1997 | 133 |
| 1998 | 76 |
| 1999 | 91 |
| 2000 | 61 |
| 2001 | 43 |
| 2002 | 106 |
| 2003 | 64 |
| 2004 | 43 |
| 2005 | 38 |
| 2006 | 28 |
| 2007 | 23 |
| 2008 | 18 |
| 2009 | 8 |
| 2010 | 6 |
| 2011 | 14 |
| 2012 | 1 |
| 2014 | 1 |
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 13 |
| 2018 | 16 |
| 2019 | 14 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 4 |
Among the 431 of these complaints that report mileage, the median is about 47,000 miles.
Complaint counts are not adjusted for how many vehicles each brand sells, so large brands naturally have more complaints.