Exploring GMC Terrain Problems

The GMC Terrain is a popular compact SUV offering a comfortable ride, stylish looks, and decent fuel economy. But as with any vehicle, it has its flaws. If you're researching before buying or already own one, it’s important to understand the most common GMC Terrain problems and how they might affect long-term ownership.

Let’s dive into the details—real-world, no-fluff style.

The Most Common GMC Terrain Problems

Across model years, drivers report several recurring issues with the GMC Terrain. These typically include:

• Transmission failure or hesitation
• Engine stalling or rough idling
• Oil consumption issues
• Faulty infotainment systems
• AC and HVAC malfunctions

Some of these are mild annoyances. Others can lead to major repair bills. Knowing what to expect can help you stay ahead—or know when it’s time to move on.

2013 GMC Terrain Problems

The 2013 Terrain is notorious for one issue in particular: excessive oil consumption. Many owners reported having to top off oil between changes—or worse, dealing with engine damage due to low oil levels.

Other problems include:

• Timing chain failure in the 2.4L engine
• Check engine lights due to misfires or camshaft position sensors
• Stalling while idling or coming to a stop

General Motors issued technical service bulletins (TSBs), but not all vehicles were covered under extended warranties.

2016 GMC Terrain Problems

Moving on to the 2016 GMC Terrain, several drivers reported transmission-related issues:

• Hesitation between gears
• Delayed shifting or slipping
• Warning lights for transmission or traction control

These GMC Terrain transmission problems tend to appear around the 60,000–90,000-mile mark. Unfortunately, many fail just after warranties expire, leading to out-of-pocket repair costs.

Also reported:

• Infotainment screen freezing or failing to respond
• Interior trim rattling at highway speeds

If you’re considering a used 2016 model, make sure it’s had recent service and software updates.

2018 GMC Terrain Problems

The redesigned 2018 Terrain offered a fresh look and updated tech—but also introduced new headaches.

• Turbocharged engine hesitation or sudden surging
• Sensor issues (including oxygen sensors and throttle position sensors)
• HVAC system failure (no heat or AC intermittently)
• Infotainment software bugs

These models were also affected by occasional electronic stability control system faults, which could cause the vehicle to enter limp mode.

GMC Terrain Transmission Problems: What to Watch For

No matter the year, GMC Terrain transmission problems show up across models. Here are the warning signs:

• Grinding noises when accelerating
• Difficulty shifting between park, drive, and reverse
• Transmission slipping or delayed engagement

Costs to repair or replace a transmission can range from $3,000 to $5,000, depending on the shop and whether a rebuild or full replacement is needed.

Quick Repair Cost Breakdown for Common GMC Terrain Issues

Note: Prices vary based on location and shop rates.

Is the GMC Terrain Reliable Overall?

It depends on the year. While some model years (like 2015 or 2021) have good reliability ratings, others—like 2013 and 2016—are more prone to mechanical issues.

Routine maintenance helps, but inherent design flaws (like the oil-hungry 2.4L engine) make it hard to completely avoid trouble in certain years.

When to Sell Instead of Repairing

If your Terrain is starting to feel more like a money pit, it might be time to let go. Consider selling if:

• You’ve had more than one major repair in the last year
• You’re facing a $3,000+ estimate for engine or transmission work
• Your Terrain is over 120,000 miles and out of warranty

CarBrain buys GMC Terrains—even with transmission or engine issues. You don’t have to fix it first. We’ll give you a fair quote, tow it for free, and save you the stress.

Final Thoughts

While the GMC Terrain can be a solid SUV when it’s running well, it’s had more than its fair share of issues—especially in older or high-mileage models. From transmission failures to engine oil burning problems, the GMC Terrain problems you experience depend heavily on the year and maintenance history.

If repair bills are stacking up, CarBrain is here to help you sell your Terrain quickly and easily. For more honest advice about car ownership and repairs, check out the CarBrain Blog.