2020 GMC Terrain fuel system problems
The 2020 GMC Terrain has 27 fuel system complaints filed with NHTSA — 10% of the year's total, and up sharply from the prior model year.
27
Fuel System complaints
10%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“The contact owns a 2020 GMC Terrain. The contact stated that while attempting to restart the vehicle, the vehicle failed to start. The vehicle was towed to the local dealer who diagnosed that the fuel pump was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was…”
Common questions
How many fuel system complaints does the 2020 GMC Terrain have?
NHTSA has 27 complaints about the 2020 GMC Terrain fuel system — 10% 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.