2021 GMC Terrain
2 recalls · 30 complaints · Safety Score C
Recall History
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Equinox and GMC Terrain vehicles equipped with certain Hankook tires. The tires may have been manufactured with an insufficient amount of curative agent, which could cause tread separation.
Consequence & Remedy
Consequence: Tread separation can result in a loss of vehicle control, increasing the risk of a crash.
Remedy: Dealers will inspect the tire DOT numbers, and replace any affected tires, free of charge. Owner notification letters were mailed on August 31, 2021. Owners may contact GMC customer service at 1-800-462-8782; and Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212343560.
General Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which could prevent a child seat from being installed with the anchorage bars. As such, these vehicles fai...
Consequence & Remedy
Consequence: The inability to install a child seat with the LATCH anchorage bars could result in an unsecured child seat, increasing the risk of injury in a crash.
Remedy: Owners are advised to install child seats using the vehicle's rear seat belts until the remedy is complete. Dealers will inspect the latch anchorage bars, and remove and replace the finish, as necessary, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232403240.
Recent Complaints
| Date | Component | Description | Crash | Fire |
|---|---|---|---|---|
| 03/16/2026 | Engine | The contact owns a 2021 GMC Terrain. The contact stated that while driving at various speeds, the vehicle hesitated whil... | No | No |
| 03/16/2026 | Engine,engine and Engine Cooling | Vehicle went into reduce engine power mode and check engine light came on. Vehicle has just over 60,000 miles. Code is t... | No | No |
| 01/26/2026 | Engine,fuel/Propulsion System,lane Departure | The engine light came on while driving, saying “engine power reduced”. It barely accelerates, RPMs go over 5, it chugs w... | No | No |
| 01/22/2026 | Engine | around chirstmas, Was driving on the highway and the car threw a "reduced engine power" warning and went into limp mode.... | No | No |
| 10/31/2025 | Child Seat | The contact owns a 2021 GMC Terrain. The contact received notification of NHTSA Campaign Number: 23V339000 (Child Seat);... | No | No |
| 09/17/2025 | Power Train,service Brakes,engine and Engine Cooling | The contact owns a 2021 GMC Terrain. The contact stated that the transmission was previously replaced. The contact state... | No | No |
| 08/03/2025 | Unknown or Other | Constantly have water leaking into spare tire compartment, back seat floors and passenger floor. Mold/mildew smell comin... | No | No |
| 07/01/2025 | Electrical System,forward Collision Avoidance | Driving my vehicle with no warnings, messages, or symptoms on adaptive cruise control Sunday [XXX] on [XXX] in Michigan.... | No | No |
| 05/28/2025 | Suspension,power Train | First time I had problems with my 2021 Terrain I took it to victory GMC on 9/20/24. At the it had 45,000 miles. Every ti... | No | No |
| 05/13/2025 | Unknown or Other | Drive shaft on my GMC Terrain needs to be repaired according to my repair shop. I brought it in as it was vibrating on a... | No | No |
Most Complained-About Components
Frequently Asked Questions
The 2021 GMC Terrain has 2 recall campaigns on record with NHTSA. Total complaints filed: 30.
The 2021 GMC Terrain has a Safety Score of 56/100 (Grade C). This score factors in recall severity (40%), complaint frequency (30%), crash and fire reports (20%), and trend direction (10%).
The 2021 GMC Terrain received a Safety Score of C. This vehicle has an average safety record. There are 4 crash reports on file.
Contact your nearest GMC dealership to schedule a free recall repair. You can also check your specific vehicle by VIN at NHTSA.gov. Manufacturers are required by law to fix recall-related defects at no cost.
Safety Score is calculated from recall severity (40%), complaint frequency (30%), crash/fire reports (20%), and safety trend (10%).