2012 GMC Terrain transmission problems
The 2012 GMC Terrain has 37 transmission complaints filed with NHTSA — 7% of the year's total, and down from the prior model year.
37
Transmission complaints
7%
Share of year
0
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“My 4 cyl. AWD GMC Terrain has had excessive oil use which caused premature failure of the timing chain, loss of power/compression, blown engine, damage to exhaust manifold, cellinoids, and melted the catalytic converter. Its was a road safety, poor emissions due to failed catalytic converter.…”
Common questions
How many transmission complaints does the 2012 GMC Terrain have?
NHTSA has 37 complaints about the 2012 GMC Terrain transmission — 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.