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9 complaints
GMC TERRAIN 2026 UNKNOWN OR OTHER
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I bought this car new from Davidson's in Rome, NY in early March 2026. This is a 2026 model. Two days after I took possession, I noticed that the spare tire well was halfway full of solid ice. The
NHTSAUSApr 2026Source →
GMC TERRAIN 2026 POWER TRAIN
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The contact owns a 2026 GMC Terrain. The contact stated that while attempting to depress the accelerator pedal after coming from a complete stop, the vehicle started wobbling. A dealer was contacted.
NHTSAUSMar 2026Source →
GMC TERRAIN 2026 VISIBILITY/WIPER
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The windshield has an optical distortion, characterized by "waviness" and "rippling." This condition is not merely a cosmetic imperfection; it is a safety hazard that causes visual impairment, and diz
NHTSAUSMar 2026Source →
GMC TERRAIN 2026 WHEELS
low
Vehicle “wobble” under moderate acceleration and in corners, can be felt in the seats and steering wheel.
NHTSAUSJan 2026Source →
GMC TERRAIN 2026 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
low
I was driving (roughly about 30 MPH) when my automatic braking kicked on and caused my tires to squeal to a halt. There were no other cars around me (thankfully) - otherwise I would have been rear-end
NHTSAUSDec 2025Source →
GMC TERRAIN 2026 UNKNOWN OR OTHER
critical
Car was off and parked and randomly caught on fire. Completely totaling the car
NHTSAUSDec 2025Source →
GMC TERRAIN 2026 FORWARD COLLISION AVOIDANCE: WARNINGS
low
Two issues here. First is that the car will give a danger warning when nothing is there. Sometimes goes as far as slamming on my breaks. Both in drive and reverse. Second is the lane keep assist. It
NHTSAUSDec 2025Source →
GMC TERRAIN 2026 SUSPENSION
low
Car aggressively shakes and steering wheel shakes / jerks itself side to side when accelerating. Getting worse with time. GMC has it as a known issue but has been for months. Problem is getting worse
NHTSAUSDec 2025Source →
GMC TERRAIN 2026 STRUCTURE
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The contact owns a 2026 GMC Terrain. While drying the vehicle after it was washed, the contact became aware that the middle section of the vehicle was loose. The vehicle was taken to the dealer. The d
NHTSAUSSept 2025Source →