The Lemon Index2017 GMC Terrain.
The 2017 GMC Terrain is one of the most reliable years by owner complaints: 21 complaints in its first 3 years and a Lemon Index of 23, where 100 is the average car. Owners complain most about airbags, it has 1 recall, and it gets 18 to 25 mpg combined. It's the best GMC Terrain year we track.
One of the most reliable. 4.3× fewer complaints than average.
Worst year 2011
Before you buy. What matters most for this car.
How serious. Out of 135 owner complaints, owners reported:
Every GMC Terrain year. 2017 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
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.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 24K to 79K miles on the car (37 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 1
- lights 2022
A reflection caused by the headlight housings may illuminate areas above the vehicle and outside of the driver's view with excessively bright light.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Safety
Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| GMC Terrain SUV AWD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| GMC Terrain SUV FWD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★★☆ |
Fuel cost and engines
About $2550–3550 a year in fuel (EPA estimate). Engines: 2.4L 4-cyl, 3.6L 6-cyl.
Quick answers
Is the 2017 GMC Terrain reliable?
Yes, it is one of the most reliable by government complaints. It drew 4.3× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 23; 100 is average, lower is better).
What are the most common 2017 GMC Terrain problems?
In owner complaints to the government, the parts named most are airbags (33%), body structure (19%) and electrical (14%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2017 GMC Terrain have?
1 safety recall (latest: lights). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2017 GMC Terrain get?
18 to 25 mpg combined, depending on the engine (EPA estimate).
Is the 2017 GMC Terrain safe?
NHTSA gave it 4 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.
At what mileage do 2017 GMC Terrain problems start?
Half of the owners who gave a mileage reported the problem between 24,400 and 79,800 miles. The middle report was at 48,800 miles, from 37 complaints.
Does the 2017 GMC Terrain have transmission problems?
Transmission and drivetrain issues make up 10% of its owner complaints.
How much does the 2017 GMC Terrain cost in fuel a year?
About $2550 to $3550 a year, by the EPA's current estimate.
What engines does the 2017 GMC Terrain have?
2.4L 4-cyl, 3.6L 6-cyl.
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