2019 GMC Terrain inspection checklist
The 2019 GMC Terrain has 175 owner complaints with NHTSA across 6 component categories. Use this checklist before you put money down — every item below is grounded in the actual failure pattern on this vehicle, not generic advice.
1 Inspect the powertrain
What to look for: Hesitation on takeoff, harsh or delayed shifts, vibration at highway speed, fluid leaks on the driveway under the engine bay or transmission pan. (48 owner complaints on this vehicle · typical repair $2,500 · failures cluster ~31,551 mi)
2 Inspect the brakes
What to look for: Pulsing brake pedal, pulling to one side when braking, squealing or grinding, soft pedal that goes to the floor. (42 owner complaints on this vehicle · typical repair $450 · failures cluster ~69,300 mi)
3 Inspect the electrical
What to look for: Dim or flickering dash lights at idle, slow window operation, intermittent infotainment glitches, parasitic battery drain (dead battery after a few days parked). (23 owner complaints on this vehicle · typical repair $850 · failures cluster ~23,950 mi)
4 Inspect the engine
What to look for: Blue smoke on cold start (oil burning), white smoke at temperature (coolant), knock or tick that doesn't go away after warm-up, oil spots under the vehicle. (17 owner complaints on this vehicle · typical repair $3,100 · failures cluster ~80,150 mi)
5 Inspect the cruise control
What to look for: Cruise that won't set, drops out on small inclines, jerky speed adjustment. (4 owner complaints on this vehicle · typical repair $600 · failures cluster ~3,032 mi)
6 Inspect the steering
What to look for: Wandering on the highway, clunks when turning, slop in the wheel before the tires respond, power steering whine. (4 owner complaints on this vehicle · typical repair $700 )
7 Paperwork — before you sign
The seller's transparency on these tells you what kind of seller you're dealing with.