2019 GMC Terrain: engine and transmission complaints
HIGH COMPLAINT SIGNAL
55%
96 of 182 relevant owner complaints are about the engine, transmission or fuel system
55% of relevant owner complaints filed with NHTSA on the 2019 GMC Terrain are about the engine, transmission or fuel system. That is a model-level pattern, not bad luck.
Worse than 71% of the 1,230 model years we track (2010–2023).
The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.
What owners reported
SERVICE BRAKES,ENGINE09/04/2026
While driving my 2019 GMC Terrain with three children as passengers, the vehicle developed a braking/engine problem. The brake pedal became very hard, and the vehicle subsequently became undrivable and would not start. I received no advance warning through the GMC app indicating that the vacuum pump was failing. The v…
ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE08/21/2026
On Saturday, August 15th we were driving on the freeway when with no warning the check engine light came on and the vehicle began to run poorly, and then the vehicle lost electrical power and it became difficult to steer and the brake pedal became stiff, making it difficult to stop and pull over. The vehicle would not …
SERVICE BRAKES,ENGINE08/18/2026
The car’s brakes hardened on the highway, posing a life-threatening danger, right before the engine died. Following a tow to the dealership’s service center, an initial inspection revealed a broken vacuum pump and broken camshaft. The dealership stated that there was evidence that camshaft debris may be scattered throu…
Three of 96 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.
Recall campaigns on this model year (3)
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicle…
POWER TRAIN:AUTOMATIC TRANSMISSION
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…
SEATS
General Motors LLC (GM) is recalling certain Chevrolet Equinox and GMC Terrain vehicles. The rear-right seat may have insufficient welds on the head-restraint bracket.
This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.
Before you buy a 2019 GMC Terrain
Ask the seller whether the engine has ever been repaired or replaced, and whether the car has shown stalling, loss of power, rough idle, oil consumption or a check-engine light.
Drive it from a cold start and long enough to warm up. Many engine faults hide once the car is warm.
Get an independent pre-purchase inspection from a mechanic you choose, and tell them to focus on the engine.
3 recall campaigns on this model year. Whether a specific car still has one open depends on the VIN; the report checks that.
Ask for service records. A engine already replaced under warranty is a different car from one that was not.
Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.
Experimental model-level information. This is not a vehicle inspection, vehicle-history
report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition
of any individual vehicle.
