2020 GMC Terrain other problems
The 2020 GMC Terrain has 32 other complaints filed with NHTSA — 11% of the year's total, and up sharply from the prior model year.
32
Other complaints
11%
Share of year
1
Crash-involved
0
Related recalls
Other complaints by year
What owners report
“During a vehicle accident, my 2.5 year old daughter's car seat detached from the base and landed in the back part of my part. We were t-boned on the passenger side back seat. We spun and the car seat detached and she was flung around the car. She had severe whiplash, a contusion and possible fabric…”
Common questions
How many other complaints does the 2020 GMC Terrain have?
NHTSA has 32 complaints about the 2020 GMC Terrain other — 11% 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.