2018 GMC Terrain: recalls and problems
5 recalls and 222 owner complaints on file with NHTSA. The most-reported problem area is service brakes.
Most common problems
What owners report
Dear [manufacturer], i am writing to report a serious safety concern with my [year, make, model]. a bolt from the idler arm/undercarriage came off after becoming severely rusted. i had the vehicle inspected by a repair shop, but they could not determine why the bolt failed or why it had rusted to this extent. this is extremely concerning because a failure of this component while driving could potentially result in
The contact owns a 2018 gmc terrain. the contact stated that while the vehicle was parked in the garage at the residence, there was fuel leaking from the vehicle from the fuel line. the contact stated that the fuel pump was replaced. there was a strong gasoline odor coming from the vehicle. the contact associated the failure with nhtsa campaign number: 18v358000 (fuel system, gasoline); however, the vin was not inclu
The contact owns a 2018 gmc terrain. the contact stated that while driving 20 mph, the brake pedal was firm and the "service brake assist" message was displayed on the instrument panel. the contact used excessive force to depress the brake pedal while stopping the vehicle. the vehicle was driven to the destination and parked. the dealer was notified of the failure and informed the contact that the vehicle was not in
I purchased an evenflo shyft intuiti travel system with a revolve180 litemax nxt infant car seat. the car seat was manufactured on 03/27/2025, model ts100212542. i was notified by amazon that the car seat was recalled due to a calibration issue with the level indicator that caused the product not to meet applicable federal performance requirements. i contacted evenflo parentlink regarding the recall and was informed
Crash-test ratings
| Version | Overall | Frontal | Side | Rollover |
|---|---|---|---|---|
| 2018 GMC Terrain SUV FWD Later Release | ||||
| 2018 GMC Terrain SUV AWD Later Release | ||||
| 2018 GMC Terrain SUV AWD Early Release | ||||
| 2018 GMC Terrain SUV FWD Early Release |
Source: NHTSA recalls, complaints and NCAP APIs, covering Terrain. Last refreshed 2026-09-29.