What is the most common problem with the GMC Terrain?
The most common problem with the GMC Terrain is issues with the transmission, particularly the 6-speed automatic transmission that was used in many model years. This transmission has been known to experience problems like slipping, jerking, and premature failure, which can be a major inconvenience and expense for Terrain owners.
Transmission Problems in the GMC Terrain
The GMC Terrain, a popular midsize SUV, has faced recurring issues with its transmission since the model was first introduced in 2010. The 6-speed automatic transmission, manufactured by GM, has been the source of numerous complaints from Terrain owners over the years.
Some of the most commonly reported transmission problems include:
- Transmission slipping or jerking during acceleration
- Delayed or erratic shifting between gears
- Premature transmission failure, often requiring expensive repairs or replacement
- Difficulty maintaining consistent speed, especially at highway speeds
- Transmission overheating, leading to reduced performance and potential damage
These transmission issues can be frustrating and potentially dangerous for Terrain drivers, as they can impact the vehicle's drivability and safety. Many owners have reported having to take their Terrain to the dealership multiple times to address persistent transmission problems.
Causes and Solutions
The root cause of the Terrain's transmission issues is not entirely clear, but it is likely a combination of design flaws and manufacturing defects. Some potential contributing factors include:
- Inadequate cooling system for the transmission
- Subpar quality control during the manufacturing process
- Insufficient lubrication or improper fluid levels
- Software or programming issues with the transmission control module
To address these problems, GMC has issued several technical service bulletins and recalls related to the Terrain's transmission. Some solutions that have been implemented include software updates, transmission fluid flushes, and in some cases, complete transmission replacements. However, these fixes have not always been effective, and many Terrain owners continue to experience ongoing transmission problems.
If you own a GMC Terrain and are experiencing transmission issues, it is recommended to take your vehicle to an authorized GMC dealership or a reputable transmission specialist for diagnosis and repair. Depending on the severity of the problem, you may be able to seek warranty coverage or other forms of compensation from GMC to help offset the cost of the necessary repairs.
Is GMC Terrain a reliable car?
GMC Terrain Reliability Overview
On J.D. Power, the new Terrain scored an impressive 85/100 in the reliability category. The GMC Terrain reliability is often praised by owners and experts alike. It consistently scores well in reliability ratings, thanks to its robust build quality and dependable performance.
How many miles does GMC Terrain last?
200,000 miles
The average lifespan of a well-maintained GMC Terrain is approximately 320,000 Km (200,000 miles). J.D. Power rates multiple years of the GMC Terrain from 88-83% in the reliability category in the last five years, with a score of 88 for 2023/2024 releases.
What years are bad for a GMC Terrain?
Least Reliable: 2010-2012 GMC Terrain
Looking at the year-by-year time on CarComplaints, you will see that these three first years have the three highest totals of complaints from drivers with 121, 151, and 92 respectively.
Does the GMC Terrain have transmission problems?
GMC Terrains can last up to 300,000 miles with proper maintenance. Some of the top GMC Terrain problems include malfunctioning air bags, engine issues, and a faulty transmission.
What is the recall on the Terrain vehicles?
Summary: General Motors, LLC (GM) is recalling certain 2022-2023 Chevrolet Equinox and 2022 GMC Terrain vehicles. The driver's seat may have a stripped or loose bolt at the seat frame height-adjust pivot.
Does the GMC Terrain have a good engine?
The 2021 GMC Terrain has a smooth ride and controlled handling. Its base engine helps return good gas mileage, but it's not all that powerful. There is a stronger engine option, but it only comes in the highest trim.
What are the disadvantages of the GMC Terrain?
While the transmission problems get a lot of attention with the GMC Terrain, the engine issues appear to be nearly as widespread based on data and owner reports. Excessive oil consumption, cracked pistons, timing chain troubles, and engine knocking/misfiring are all common engine complaints.
What is the life expectancy of the GMC Terrain engine?
Most modern GMC SUV engines can easily last 150,000 to 200,000 miles, and some go well beyond with the right care. If you drive around 12,000 to 15,000 miles a year, this could mean an engine lifespan of 10-15 years.
What years did GMC have transmission problems?
The 2014-2019 models equipped with the 6L80 and 8L90 transmissions have received a significant number of complaints, with the 2015 and 2016 model years being particularly problematic.
What is considered high mileage for a GMC?
Trouble-Free Miles
As mentioned, high mileage GMC Sierra is considered to be one with around or over 200,000 miles, signaling it may soon encounter major repairs or issues.
