Everything NHTSA's vPIC database knows about this exact vehicle:
Decoding from NHTSA…
Vehicle history — accidents, title & owners
The decode above is what this vehicle is. For what it's been through — accidents, title brands, odometer, theft/total-loss and previous owners — pull a full history report.
NHTSA publishes the first 11 characters of the VIN with every complaint — that identifies the plant, model year, body and engine. So these are reports from cars built exactly like this one, not an average across the whole model.
3GKALMEV6JL••••••2018 Gmc TERRAIN
This build draws 2.2× more complaints than the average 2018 Gmc TERRAIN build (5 vs 2).
5on this build
215on the model
96builds in total
1injuries
Most reportedService Brakes 3Power Train 2Engine 1Forward Collision Avoidance 1
What owners of this build wrote
Service BrakesSep 2026
The contact owns a 2018 GMC Terrain. The contact stated that while driving 20 MPH, the brake pedal was firm and the "Service Brake Assist" message was displayed on the instrument panel. The contact used excessive force to depress the brake pedal while stopping the vehicle. The…
Power TrainSep 2023
Car is losing go power when accelerating on to interstate. It’s like the transmission loses power, the d illuminates, and then it kicks in to drive. It puts us at risk for an accident and I had a semi almost hit me because of this. This has been reproduced at the mechanic shop…
Service BrakesNov 2022
I was coming to a stop with my vehicle and the brakes would not work. I carefully got my car home and to a shop. It was determined that the break booster pump broke which caused metal parts to go into the engine. Now my engine is blown! Bought my car brand new in 2018 and kept…
Service BrakesSep 2022
When trying to brake, brake pedal became extremely hard to push and Repair brake assist notification and check engine light came on
Power TrainMar 2021
My 2018 gmc terrain sle has 41668 miles and has been serviced as needed. Anyhow, sometimes when I am driving, I can feel the power train stall out when driving intermittently. This concerns me as a single parent with a 10 year old child that goes everywhere with me. I just want…
Owner complaints…
Now the whole model — all 96 builds of it, not just this build. Same NHTSA reports, wider net:
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Full research report as a PDF you can hand to a mechanic
Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 3GKALMEV6JL374841 · decoded Oct 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.