2016 GMC Terrain problems & reliability
152 owner complaints filed with NHTSA for the 2016 GMC Terrain, alongside 2 safety recall campaigns. Last verified Sep 21, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
8 complaints report injuries (9 injured).
Federal crash records (FARS 2020–2023): 2016 GMC Terrain vehicles were involved in 44 fatal crashes with 19 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 46 | 30% |
| Visibility/wiper → | 46 | 30% |
| Unknown / Other | 13 | 9% |
| Power Train → | 11 | 7% |
| Exterior Lighting → | 10 | 7% |
| Air Bags | 9 | 6% |
| Electrical System | 9 | 6% |
| Steering | 6 | 4% |
| Service Brakes | 5 | 3% |
| Vehicle Speed Control | 4 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 22 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 62 complaints that included a usable odometer reading, the median reported incident mileage was 51,000 miles (middle 50% between 35,303 and 89,000 miles).
Complaints by incident year
What owners report
“The timing chain snapped and caused the engine to seize on our 2016 GMC Terrain 2.4L SLC-1 SUV/Truck. Since this has occurred multiple times on the 2.4L engines in this model from 2012 - 2016, we believe that there should be a recall as this issue could cause a major accident if the timing chain snaps or breaks while…”
Engine · filed Aug 14, 2026
“For an undetermined amount of time- many months for certain, I have been unable to get the key removed from the ignition when the car is shut off and placed in the locked position. I am forced to start and shut off the car for multiple times before I am finally able to remove the key. There is no rhyme no reason as to…”
Unknown / Other · filed Aug 9, 2026
“My cousin thought I had a trailing arm bushing was bad on the driver's side. The subframe holding the trailing arm rusted out completely. He was able to put his thumb through it with little pressure when trying to see if it can be fixed.”
Structure · filed Jul 23, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Front Wiper Transmission Inoperative
Engineering Analysis EA19005 · opened Dec 13, 2019 · closed Nov 28, 2022 · led to recall 22V165000
- Windshield Wiper Transmission Failure
Recall Query RQ18002 · opened Nov 2, 2018 · closed Dec 19, 2019
Technical service bulletins
1,230 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2016 GMC Terrain. The 10 most recent:
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902W · Service Bulletin/Repair Instructions · issued Sep 4, 2026
PI to help diagnose A/C concern
PIT5099J · Service Bulletin/Repair Instructions · issued Jul 21, 2026
This document provides the technician with a diagnostic tip if the vehicle stalls and set diagnostic trouble code P0191 and may also set P0172. The diagnostic tip has the technician inspect the high pressure fuel pump…
PIP6113 · Service Bulletin/Repair Instructions · issued May 19, 2026
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIT3271Q · Service Bulletin/Repair Instructions · issued Apr 1, 2026
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP6104 · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902V · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902U · Service Bulletin/Repair Instructions · issued Jan 8, 2026
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions…
PIT5214G · Service Bulletin/Repair Instructions · issued Nov 20, 2025
New Vehicle Monitoring Programs Section in IVH
13598 · Other · issued Sep 9, 2025
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902T · Service Bulletin/Repair Instructions · issued Aug 14, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2016 GMC Terrain has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2016 GMC Terrain?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 51,000 miles. This does not predict when a particular vehicle will develop a problem.