2017 GMC Terrain transmission problems
The 2017 GMC Terrain has 23 transmission complaints filed with NHTSA — 13% of the year's total, and up sharply from the prior model year.
23
Transmission complaints
13%
Share of year
0
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“My car lost oil while I was driving. I also lost power. I had my car over to a garage and the mechanic diagnosed it was a ruptured rear main seal caused by a frozen PCV system. GM knows about the problem but has not recalled it. It is very expensive to repair. And because the manufacturer knows…”
Common questions
How many transmission complaints does the 2017 GMC Terrain have?
NHTSA has 23 complaints about the 2017 GMC Terrain transmission — 13% 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.