2016 GMC Terrain inspection checklist
The 2016 GMC Terrain has 149 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 visibility
What to look for: Wiper streaks even on a fresh blade, blower fan that doesn't change speeds, foggy or yellowed headlight lenses, sunroof drains plugged (water on headliner). (49 owner complaints on this vehicle · typical repair $350 · failures cluster ~76,304 mi)
2 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. (34 owner complaints on this vehicle · typical repair $3,100 · failures cluster ~60,493 mi)
3 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. (10 owner complaints on this vehicle · typical repair $2,500 · failures cluster ~53,964 mi)
4 Inspect the airbags
What to look for: Anything that looks, sounds, or smells different from peer vehicles of the same year and trim. (9 owner complaints on this vehicle · typical repair $1,100 · failures cluster ~55,400 mi)
5 Inspect the lighting
What to look for: Headlight lens haze that'll need restoration, dim low beams, condensation inside the housings, blinkers flashing fast (bulb out). (9 owner complaints on this vehicle · typical repair $250 · failures cluster ~88,000 mi)
6 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). (6 owner complaints on this vehicle · typical repair $850 · failures cluster ~47,750 mi)
7 Paperwork — before you sign
The seller's transparency on these tells you what kind of seller you're dealing with.