The GMC Terrain is a popular SUV known for its style, comfort, and performance. However, maintenance issues can plague certain model years more than others. According to CarComplaints, there are some model years that have received a higher number of complaints than others. We will discuss the five worst GMC Terrain model years based on owner complaints related to maintenance, repair costs, and reliability.

Why the 2010 GMC Terrain is one of the worst model years for owners

The 2010 GMC Terrain model year has been plagued with multiple maintenance issues, including transmission, engine, and oil problems. According to CarComplaints, owners have reported experiencing transmission failures, to fix this you’ll pay around $3,600. It occurrs at an average mileage of 86,000 miles.

In addition, excessive oil consumption has been a major issue for this model year, with the average cost to fix it being around $4,000 at an average mileage of 102,000 miles. On top of these issues, owners have also reported the vehicle running roughly and having erratic power, with the average cost to remedy the issue falling around $1,400 at an average mileage of 67,000 miles.

The 2011 GMC Terrain has a high number of overall problems

This model year has received complaints related to transmission failure, with the average cost to fix being around $3,400 at an average mileage of 94,000 miles.

Another significant issue for this model year is engine stalls and shutdowns while driving, remedying this problem will cost around $1,100. Owners have also reported excessive oil consumption, which can cost around $5,100 to fix at an average mileage of 91,000 miles.

These problems can cause safety concerns and lead to costly repairs, making the 2011 GMC Terrain one of the worst model years for owners.

The 2013 GMC Terrain also has some high-cost problems to watch out for

The 2013 GMC Terrain has a high number of complaints related to engine and oil issues. An engine blowout, might cost around $10,900 to repair at an average mileage of 90,000 miles, is one of the most serious concerns for this model year. Additionally, the main seal has been known to blow in some vehicles, costing owners around $1,900.

Owners have also reported excessive oil consumption, which can cost around $5,800 to fix at an average mileage of 103,000 miles. The skipped 2012 model year was problematic, but not as severe as the 2010 and 2011 model years.

The 2014 GMC Terrain has issues that can drain your wallet

The 2014 GMC Terrain has its own set of engine and oil-related issues that owners should be aware of. One of the most significant problems reported is the engine shutting down while driving, this can cost around $1,900 to fix at an average mileage of 82,000 miles.

Another potential issue is excessive oil consumption, it’ll cost around $1,000 to fix at an average mileage of 88,000 miles. Some owners have also reported their wipers stopping working, the fix cost around $500 at an average mileage of 64,000 miles.

While the concerns reported for this model year are not as severe as in previous years, they can still be costly and affect the overall driving experience.

Some headaches with the 2015 GMC Terrain

The 2015 GMC Terrain had some noticeable issues that could lead to significant expenses for the owner. The engine stalling while driving is a significant issue that can be risky and that costs, on average, $2,700 to fix.

Another issue that can arise is a blown rear seal on the motor, which has an average cost of $1,600 to repair. Finally, some owners have reported a loud tapping noise, this can be a sign of a serious engine issue that needs to be addressed. With an average cost of $1,500, fixing this issue could add to an already-expensive list of repairs.