2012 GMC Terrain other problems
The 2012 GMC Terrain has 37 other complaints filed with NHTSA — 7% of the year's total, and roughly flat versus the prior model year.
37
Other complaints
7%
Share of year
2
Crash-involved
0
Related recalls
Other complaints by year
What owners report
“SUDDEN UNINTENDED ACCELERATION WHEN VEHICLE SHIFTED FROM PARK TO DRIVE, RESULTED IN EXTREME HIGH SPEED ACCELERATION AND NO CONTROL OF VEHICLE. THIS RESULTED IN A HIGH IMPACT CRASH INTO GARAGE SIDE WALL. ALSO AIR BAG DID NOT DEPLOY. ASSUME THROTTLE WIDE OPEN CAUSING SUDDEN ACCELERATION. INSURANCE…”
Common questions
How many other complaints does the 2012 GMC Terrain have?
NHTSA has 37 complaints about the 2012 GMC Terrain other — 7% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.