Short Answer: The biggest problems with the 2025 GMC Terrain are transmission issues, electrical system problems, and structure problems.
Transmission issues are the most common while electrical system and structure problems aren’t as common. No recalls have been issued for the 2025 GMC Terrain as of November 2025.
While many reviews of the 2025 GMC Terrain are coming back positive, consumers have also begun reporting some of the issues they’ve been experiencing since purchasing their vehicle.
In this article, we have consolidated those complaints so that you can be a better-informed buyer or current owner. Take a look below to learn about the 2025 GMC Terrain’s most common problems.
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Common 2025 GMC Terrain Problems
2025 GMC Terrain Transmission Issues
Owners reported clunking noises, fluid leaks, and gear shifting issues, all common signs of transmission problems.
Because the transmission controls power and shifting, it should be inspected and repaired promptly.
Transmission Making Strange Noises
- Severity: Moderate to high; unusual noises may indicate internal wear or mechanical failure, potentially leading to transmission damage.
- Manufacturer’s Response: GM has not issued a TSB or recall specifically addressing unusual noises in the 2025 Terrain’s transmission.
- Fix: Dealer should inspect for internal transmission damage, verify fluid condition, and perform diagnostic tests; repairs may include hardware inspection or control module recalibration.
Leaking Transmission Fluid
- Severity: High; loss of transmission fluid can lead to overheating, internal damage, or drivability problems.
- Manufacturer’s Response: GM issued TSB 25‑NA‑001, which identifies incorrectly torqued transmission pump bolts as a known cause of leaks near the torque converter housing in 2024–25 Terrains.
- Fix: Dealers will inspect the area for leaks, torque the transmission pump bolts to specification, and reseal components if required.
Trouble Shifting Gears
- Severity: High; difficulty shifting can lead to loss of control or unsafe operation.
- Manufacturer’s Response: GM has not released a TSB or recall for gear shifting issues affecting the 2025 Terrain.
- Fix: Dealer should check for control module errors, inspect shifter linkage, verify transmission fluid health, and apply updates or repairs as needed.
2025 GMC Terrain Electrical System Problems
Electrical problems have mainly involved a blank instrument cluster. This can be dangerous, as it may prevent the driver from seeing warnings, speed, or other critical information.
Instrument Cluster Blank
- Severity: Moderate to high; a blank cluster limits driver awareness of speed, warning indicators, and system alerts.
- Manufacturer’s Response: GM has not released a TSB or recall for blank instrument clusters affecting the 2025 Terrain.
- Fix: Dealers will inspect wiring, fuses, and software for the instrument panel; repair may involve software update or cluster replacement.
2025 GMC Structure Problems
Owners reported high-speed swaying and warped windshield glass. These may indicate suspension issues or visibility hazards that should be inspected promptly.
Swaying While Driving at High Speeds
- Severity: Moderate to high; swaying can reduce vehicle stability and increase rollover risk.
- Manufacturer’s Response: GM has not released a TSB or recall for swaying issues affecting the 2025 Terrain.
- Fix: Dealer should inspect suspension, alignment, tire condition, and steering components to resolve instability.
Warped Windshield Glass
- Severity: Moderate; warped glass may impair driver vision or compromise structural integrity in a collision.
- Manufacturer’s Response: GM has not released a TSB or recall for warped windshield glass affecting the 2025 Terrain.
- Fix: Dealer should inspect the windshield for visual distortion and replace the glass if it fails visual safety standards.
GMC Terrain Owner Complaints
“When driving down the interstate the vehicle sways and makes steering challenging. Potential lack of control when hitting bumps on road at highway speeds. Taken to the dealership that sold the vehicle. They confirmed the issue. No warnings lights or notifications at this time.”
“While driving, the infotainment system displayed a blank screen. I pulled over to the right side of the road into a gas station and turned off and restarted the vehicle, and the infotainment system displayed a message ‘Update Failed – See Dealer to Restore System’.”
“I just purchased a brand new 2025 Terrain. The entire windshield is defective. The glass is distorted and causing visual impairment. It is VERY unsafe. I have contacted the dealership multiple times and have not yet received a response.”
What You Should Know About Car Defects and the Law
The lemon law process protects vehicle owners from being stuck with cars that don’t work as promised. If a new or used vehicle under warranty develops recurring mechanical or safety issues that the manufacturer or dealership can’t fix after several attempts, it may qualify as a “lemon.”
In that situation, consumers may be entitled to compensation, such as a refund or a replacement vehicle.
The process starts when a driver notices repeated problems. From that point on, it’s crucial to document each repair visit, what work was done, how long the vehicle was at the shop for repairs, and whether the issue was fixed. This documentation is key evidence in showing the car meets lemon law standards.
Once the manufacturer has had a “reasonable number” of chances to repair the issue, often three to four attempts, or the vehicle has spent around 30 or more days in the shop, the owner may file a lemon law claim.
An experienced lemon law attorney can manage deadlines, handle communications with the automaker, and work to secure fair compensation.
Don’t Face Vehicle Problems Alone
Working with a lemon law attorney can make a huge difference in the success and stress level of your claim.
At the Lemon Law Experts, our team has worked to help consumers get millions in collective settlement dollars. We would be happy to help you bring your claim and work with you to fight for your rights.
Contact us today by calling (877) 885-5366 or by filling out a contact form here on our website!
