The Lemon Index

All cars · GMC Terrain

2025 GMC Terrain.

The 2025 GMC Terrain has too few complaints to score: 13 in its first 3 years. Owners complain most about electrical, it has 0 recalls, and it gets 25 to 27 mpg combined. The best GMC Terrain year is 2017.

Early read

Not enough data. Only 13 complaints in its first 3 years: too few to score.

Best year 2017 · Worst year 2011

GMC Terrain
Photo shows a 2010 GMC Terrain. Jim Hudson Buick/Pontiac/GMC/Saab, http://www.jimhudsonsuperstore.com/, Wikimedia Commons · CC BY 3.0 · background removed

Before you buy. What matters most for this car.

Owner complaints13first 3 years
Fuel economy25–27 mpgcombined, EPA
Crash testnot ratedNHTSA

How serious. Out of 13 owner complaints, owners reported:

2crashes
1injuries
0fires
2tows
Early read. The 2025 GMC Terrain hasn't finished its 3-year window yet. This counts every owner complaint filed so far (through October 2026) and compares it with other 2025 cars, which have had the same time on the road. It can change as more owners file.

What owners complain about most. From owner complaints to the government.

electrical31%
transmission & drivetrain31%
steering23%
suspension15%
wheels15%

Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.

Transmission problems in every GMC Terrain year →

Recalls 0

No safety recalls on record.

Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.

Check a VIN for open recalls

Problems GMC told dealers about

GMC sent dealers 342 repair notes for this car. The ones about its biggest problems:

  • This Preliminary information communicates possible transmission fluid leak in the torque…
  • This service bulletin provides repair information to correct a customer concern of a…
  • This Preliminary information communicates the process for recording transmission noises using…

Ask a seller or mechanic if these were done. Some are free under warranty or a special program.

Safety

Stability controlStandard
Collision warningStandard
Lane departure warningStandard
Crash test details
VersionOverallFrontSideRollover
GMC Terrain SUV AWDnot ratednot rated★★★★★★★★★☆
GMC Terrain SUV FWDnot ratednot rated★★★★★★★★★☆
Fuel cost and engines

About $2400–2550 a year in fuel (EPA estimate). Engines: 1.5L 4-cyl.

In owners' words

Vehicle wouldn’t unlock/start with primary key fob or secondary key fob. Tried manual entry with both key fobs still could not enter.

2025 GMC Terrain owner · NHTSA complaint 11711804

Quick answers

Is the 2025 GMC Terrain reliable?

There isn't enough data to score it: owners filed only 13 complaints in its first 3 years.

What are the most common 2025 GMC Terrain problems?

In owner complaints to the government, the parts named most are electrical (31%), transmission & drivetrain (31%) and steering (23%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2025 GMC Terrain have?

None: NHTSA has no safety recalls on record for it.

What gas mileage does the 2025 GMC Terrain get?

25 to 27 mpg combined, depending on the engine (EPA estimate).

Does the 2025 GMC Terrain have transmission problems?

Transmission and drivetrain issues make up 31% of its owner complaints.

How much does the 2025 GMC Terrain cost in fuel a year?

About $2400 to $2550 a year, by the EPA's current estimate.

What engines does the 2025 GMC Terrain have?

1.5L 4-cyl.

What GMC Terrain year is better than the 2025?

By owner complaints per car sold, the best recent years are 2017, 2021 and 2016.

Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data