2025 GMC Terrain Problems: 1 Known Issue
2025 model year · 740+ owner reports · Updated October 2026
According to Au7o's analysis of 740+ owner reports, the 2025 GMC Terrain has 1 documented issue, with 1 rated critical. The most serious is 1.5L Turbo PCV System Failure and Coolant/Oil Intrusion ($400-$2,800 repair). The most commonly reported issue is 1.5L Turbo PCV System Failure and Coolant/Oil Intrusion with 740 owner reports. Across all issues with published estimates, repair costs range from $400 to $2,800. DIY maintenance guides at au7o.io.
2025 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
No email neededHow interest is saved
Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy
Visual coming soon
Your interest helps us choose what to build next.
Visual Known Issues · Coming soon
$4.99/month plus taxes at launch · No payment today
All 1 Known Issue
NHTSA Recalls5 recalls
STRUCTURE:BODY:DOOR
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.
SEATS
General Motors, LLC (GM) is recalling certain 2022-2023 Chevrolet Equinox and 2022 GMC Terrain vehicles. The driver's seat may have a stripped or loose bolt at the seat frame height-adjust pivot.
CHILD SEAT:VEHICLE LATCH ANCHOR
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 fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child Restraint Anchorage Systems."
TIRES
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.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Equinox and GMC Terrain vehicles equipped with ventilated front passenger seats. The Occupant Classification System may not properly disable the front passenger air bag when there is a small child or child restraint detected in the seat.
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
Join 600+ people using Au7o to better understand their vehicles.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
Other GMC Models
Frequently Asked Questions
What are the most common GMC Terrain problems?
According to Au7o's analysis of 740+ owner reports, the 2025 GMC Terrain has 1 documented issue. The documented issue is: 1.5L Turbo PCV System Failure and Coolant/Oil Intrusion. Of these, 1 is rated critical and should be addressed promptly.
Is the GMC Terrain reliable?
The 2025 GMC Terrain has 1 known issue documented across 740+ owner reports. 1 issue is rated critical: 1.5L Turbo PCV System Failure and Coolant/Oil Intrusion. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common GMC Terrain problems?
Repair costs for known GMC Terrain issues range from $400 to $2,800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 1.5L Turbo PCV System Failure and Coolant/Oil Intrusion, typically costs $400-$2,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2018-2025 GMC Terrain 1.5L Turbo PCV System Failure and Coolant/Oil Intrusion?
The 2018+ Terrain with the 1.5L turbocharged engine (LFV/LYX) experiences PCV (Positive Crankcase Ventilation) diaphragm failure inside the valve cover. The integrated PCV diaphragm tears, causing excessive crankcase pressure that forces oil into the intake manifold and intercool… Repairs typically run $400-$2,800. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.