2019 GMC Terrain Power Train Problems
Owners have filed 52 complaints with NHTSA about power train problems on the 2019 GMC Terrain, 28% of all complaints for this model year. Half of the reports with a mileage happened before 14,000 miles. The words owners use most often: “vacuum pump” (15% of reports).
- 52power train complaints
- 14,000median miles at failure
- 0mention a crash
- 0mention an injury
- 1related recalls
- 30%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Vacuum pump: mentioned in 8 of 52 complaints (15%)
- Lafontaine ann: mentioned in 7 of 52 complaints (13%)
At what mileage do power train problems happen?
Based on 14 complaints that reported the odometer reading.
How serious are the reports?
None of the 52 complaints report a crash, fire or injury.
GMC Terrain power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Terrain | 5 | 15% | 3,250 |
| 2025 Terrain | 4 | 31% | — |
| 2024 Terrain | 22 | 42% | 3,787 |
| 2023 Terrain | 8 | 20% | 13,000 |
| 2022 Terrain | 8 | 13% | 18,443 |
| 2021 Terrain | 8 | 22% | 57,422 |
| 2020 Terrain | 28 | 14% | 53,500 |
| 2019 Terrain | 52 | 28% | 14,000 |
| 2018 Terrain | 41 | 18% | 10,300 |
| 2017 Terrain | 24 | 18% | 46,580 |
| 2016 Terrain | 11 | 7% | 53,964 |
| 2015 Terrain | 21 | 7% | 31,431 |
| 2014 Terrain | 33 | 11% | 55,125 |
| 2013 Terrain | 44 | 12% | 94,843 |
| 2012 Terrain | 37 | 10% | 87,114 |
| 2011 Terrain | 76 | 20% | 74,500 |
| 2010 Terrain | 51 | 18% | 70,059 |
When owners reported it
Related recalls (1)
Power train:automatic transmission
Problem: General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Fix: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
VIN: [XXX] Mileage: Approximately 103,576 Incident location: [XXX] Safety Complaint: While my wife was driving our 2019 GMC Terrain into a shopping center parking lot, the vehicle suddenly experienced a severe loss of braking assistance. The brake pedal became extremely stiff and difficult to…
The contact owns a 2019 GMC Terrain. The contact stated that after pulling into a parking lot, the vehicle failed to shift into park. The vehicle was towed to a dealer where the contact was informed that three fault codes were found. The dealer informed the contact that the transmission needed to…
No engine lights are on. When at stops it starts chugging and when I accelerate sometimes it does not go like it should. It idles high and feels like it is slipping. I have almost been hit in the rear several times when this happens. One lady did rear end me but the damage was so little that I did…
Frequently asked questions
Do all 2019 GMC Terrains have power train problems?
No. NHTSA has 52 owner complaints about power train for the 2019 GMC Terrain (28% of the 186 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2019 GMC Terrain power train?
Yes: 1 safety recall list power train. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do power train problems start?
The median reported mileage is 14,000 miles: half of the reports with a mileage came before that.
What do owners say about power train problems on the 2019 GMC Terrain?
The most frequent phrase is “vacuum pump”, in 8 of 52 complaints, followed by “lafontaine ann” (7).
Other 2019 GMC Terrain problems
- Engine problems (70)
- Service Brakes problems (65)
See all 2019 GMC Terrain problems or power train problems across all Terrain years.