10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
49,184 miles

About These NHTSA Complaints:

The NHTSA is the US gov't agency tasked with vehicle safety. Complaints can be spread across multiple & redundant categories, & are not organized by problem. See the Back button — blue bar at the very top of the page — to explore more.

Get notified about new defects, investigations, recalls & lawsuits for the 2014 GMC Terrain:

Unsubscribe any time. We don't sell/share your email.

problem #14

Jan 162024

Terrain

  • miles
Vehicle started leaking oil with no indicator. Didn't realize it for at least a few days. When I smelled a burned oil smell took it to the repair shop. Was told my oil gasket blew and the engine is about shot. I also only a month earlier replaced the battery. These vehicles apparently have known battery, oil and engine issues that were known since 2010. The following class action lawsuit in Missouri is pending: [XXX], on behalf of herself and all others similarly situated, Plaintiff, v. GENERAL MOTORS LLC, Defendant. _____________________________________ Our vehicle is not even at 100,000 miles! This will cost thousands of dollars to fix or we will need to purchase a new vehicle which we didn't plan on for a few years at least! This has been devastating. Please help. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Otsego, MN, USA

problem #13

Jul 152023

Terrain

  • miles
There's an oil consumption issue that requires you to constantly refill the engine with oil between oil changes. It's so bad that it causes buildup and eventually interferes with the timing. Causing significant, unacceptable repairs! Now I'm forking out money for a constant issue that shouldn't exist! My car cut off in traffic! That's a major safety issue! I will provide costs of repair when I get the final estimate! My timing chain, tensioner and pistons may need to be replaced because of this issue!

- Crowley, TX, USA

problem #12

Sep 082017

Terrain

  • 35,000 miles
Key is locking in the ignition. When turning on the car the screen does not display, stays blank. Cannot turn the radio on or off or up. It's happening more and more. It continues while driving. The gear shifter sticks in park and is extremely hard at times to get it in reverse or drive.

- Flint, MI, USA

problem #11

May 012020

Terrain 6-cyl

  • 87,000 miles
Have water or coolant leaking from an unknown location. Causing mold build up on the carpet from the front all the way to the rear passenger seats. Thought it could've been the ac drain tube, but pull the tube off and cleaned, still same issue. Car smells so bad of mold my pregnant wife is unable to drive that vehicle.

- Melrose Park, IL, USA

problem #10

Feb 012020

Terrain

  • 112,000 miles
I have only had the vehicle since 11/2019. It twice has had the check engine light to come on. The first time it was in 12/2019. The check engine light was on for about a week. The auto start was not working, and the only issue I seen was that if it sat running for a while like for instances, warming up, it flooded and the engine would continue to run a few seconds after ignition key was taken out of the ignition. Engine would stop after bubbling to a stop. Then the check light went out and everything worked properly. But, on 2/1/2020, my check engine light came on again. My auto start is not working again. As long the check engine light is on, the vehicle will not auto start. The car is again flooding out after engine shut down. After ignition key is taken out of ignition. The engine will run for a few seconds and then bubble to a engine stop. Wonder if other customers has had problems like this too? but, that is not normal for a vehicle to have a check engine like to come on and it interferes with the auto start and cause the vehicle to flood out like it does.

- Wheelersburg, OH, USA

problem #9

Jan 302020

Terrain

  • 58,000 miles
Car cut off when gear in drive & brake was let go. Would cut right back on but same issue continued. Once car was able to go it shook if driven over 20mph.

- Dolton, IL, USA

problem #8

Dec 122019

Terrain

  • 54,484 miles
Car stalls when making a right turn. I started my car and tried to turn right and continuously stalled until my car was done turning.

- Southfield, MI, USA

problem #7

Jun 132019

Terrain

  • 79,400 miles
My wife was driving down the road in a rainstorm on June 13, 2019 and both wipers suddenly stopped working. The vehicle was taken to the dealership on Friday, June 14 and we were charged $350 to replace the wiper transmission and the dealer told us that the vehicle was not part of a recall. I could hear the motor working but the wipers were not moving.

- Amissville, VA, USA

problem #6

Feb 152018

Terrain

  • 42,000 miles
When driving the vehicle sporadically jerks. I've taken it to get fixed at williams Chevrolet 3 times (1) in Feb 2018, I was told the vehicle needed to be flushed, both the flush and 2 days later the truck jerked again, took it back again in Feb 2018 the mechanic rode with me in the vehicle and he felt the jerk, this time I was told to use high octane gas well I do use high octane gas, left and the car jerked took it back a 3rd time P, Mar. 2018 and was then told the vehicle had a sensor update, they claimed the update was done and I would have no more issues. It's now December 2018 and the vehicle is still jerking sporadically. This vehicle here local driving on the streets and when traffic is slow on the highway with stop and go traffic it jers as well sporadically.

- Elkton, MD, USA

problem #5

May 022018

Terrain

  • 110,000 miles
I have a 2014 GMC Terrain slt that when the lift gate is opened it goes all the way open, drops closed about 1/4 of the way and then opens fully again, then with power closes-slams shut. The first time it happened 3 days ago, it hit me in the head and knocked me to the ground. I called dealer where I purchased it from and the teck there said there were no noted problems or recalls for the "Terrain" models and I should come in and just have both the left side actuator and the right side gas strut replaced. This initially happened in my driveway with the car in park and engine off. Has also happened with the car in my driveway with engine running.

- Nicholson, PA, USA

problem #4

Jan 032018

Terrain

  • 85,000 miles
Takata recall when driving my vehicle said oil pressure was low and just shut off. Lost all oil. Mechanic said it was an issue with the PCV valve. This happened when driving and happened fast with no warning.

- Prairie Village, KS, USA

problem #3

Oct 082016

Terrain

  • 149 miles
3 years old now and still getting around 10mpg and from the first day I got it in 2014 the drive shaft is rusted and was told by the dealer that nothing is wrong with the car. I also notice that when driving at night that the head lights are not made to see street name signs I have to use the high beams to see if I have the right street when looking for the place I have to go.

- Hudson, FL, USA

problem #2

Jul 012016

Terrain

  • miles
This vehicle does not have vents to circulate heat/ac in the back seat. Main issue is in the summer. My toddler son is usually sweating and in distress because he is so hot. Despite having the A/C on lowest temp, and blowing at the highest speed, it still does not circulate very well throughout the vehicle. So, I'm freezing while my son is burning up. Makes traveling difficult with an upset child. Come on, GM, smarten up. You're better than this.

- Clarkston, MI, USA

problem #1

May 082016

Terrain

  • 25,542 miles
Periodically auto will surge forward (without the benefit of gas pedal being depressed.) I managed to stop before there was a crash. Dealer states that no problems like this have been reported. I am certain this is a dangerous situation. The dealer has stated that there is no problem with this car. I have to trust that they did something to stop the surging (computer adjustment??)

- Pilot Hill, CA, USA