2018 GMC Terrain Body and structure Problems
- Complaints
- 3about this part
- Share
- 1%of 226 total for the year
- Median mileage
- 2,290miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the body and structure of the 2018 GMC Terrain, 1% of the 226 complaints for this model year. Where a mileage was given, the median is 2,290 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I pulled into our carport. It felt like the car just sped up and went faster and faster. It hit the front of the car straight on. No airbags deployed nor did the front end collision stop happen.”
NHTSA complaint #11066136, filed 2018-01, 2,290 miles“The strike plate on my rear driver door fell off. The plate and bolts are in perfect condition but the backing is gone. Multiple body shops have attempted to locate the backing, which is somewhere between the interior and exterior metal body pieces, and gave been unable to. Every body shop I've taken it to also says that they have never seen anything like this happen before. …”
NHTSA complaint #11632952, filed 2024-12“Rear side windows in hatch area leaked filled up spare tire compartment with about 3-4 gallons of water. Now navigation doesn't want to work, sunroof not working, electric systems are not working right”
NHTSA complaint #11573881, filed 2024-02Related service bulletins
- 11015382Feb 20, 2025This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- 11014171Jan 31, 2025This service bulletin provides information on proper use of floor mats.
- 11014238Jan 30, 2025This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11011853Nov 14, 2024This technical bulletin provides a procedure to correct a customer concern of a High Pitch Whine Noise Coming from Front Instrument Panel (IP) Speakers.
- 11011709Nov 5, 2024This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11010493Oct 5, 2024This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11009764Sep 21, 2024This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
- 11007724Aug 14, 2024This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
- 11001782May 31, 2024This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC…
- 11000550May 3, 2024This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
Body and structure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 6% |
| 2025 | 1 | 8% |
| 2024 | 1 | 2% |
| 2023 | 1 | 2% |
| 2020 | 5 | 3% |
| 2019 | 2 | 1% |
| 2018 | 3 | 1% |
| 2017 | 7 | 5% |
| 2016 | 3 | 2% |
| 2015 | 14 | 5% |
| 2014 | 5 | 2% |
| 2013 | 14 | 4% |
| 2012 | 12 | 3% |
| 2011 | 11 | 3% |
| 2010 | 10 | 3% |
Other parts of the 2018 GMC Terrain
83 complaintsEngine
55 complaintsTransmission and drivetrain
42 complaintsOther or unknown
36 complaintsElectrical system
35 complaintsFuel system
17 complaintsAir bags
14 complaintsForward collision avoidance
8 complaintsVehicle speed control
8 complaintsElectronic stability control
7 complaintsSteering
7 complaintsVisibility (wipers, defrost, mirrors)
5 complaints
← All problems reported for the 2018 GMC Terrain
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology