2021 GMC Sierra 1500 fuel system problems
The 2021 GMC Sierra 1500 has 31 fuel system complaints filed with NHTSA — 4% of the year's total, and up sharply from the prior model year.
31
Fuel System complaints
4%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“Less than 5 minutes after my husband and 2 children parked the car and came inside, a neighbor walking rang our doorbell to let us know there was something on fire in our driveway. We ran to the back to find his truck engulfed in flames coming from the engine. We quickly called 911 and exited the…”
Common questions
How many fuel system complaints does the 2021 GMC Sierra 1500 have?
NHTSA has 31 complaints about the 2021 GMC Sierra 1500 fuel system — 4% 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.