2012 GMC Terrain engine problems
The 2012 GMC Terrain has 174 engine complaints filed with NHTSA — 35% of the year's total, and roughly flat versus the prior model year.
174
Engine complaints
35%
Share of year
1
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“I WAS TRAVELING ON THE TOLL WAY AND WENT TO PASS A VEHICLE GOING BELOW THE SPEED LIMIT. UPON ACCELERATION (APPROX 53 MPH), I HEARD A MUFFLED POP IN THE ENGINE COMPARTMENT AND WHITE SMOKE TRAILED THE VEHICLE. NO WARNING LIGHTS WENT OFF PRIOR AND I DO NOT RECALL SEEING ANY AFTER THE "POP". I STOPPED…”
Common questions
How many engine complaints does the 2012 GMC Terrain have?
NHTSA has 174 complaints about the 2012 GMC Terrain engine — 35% 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.