2021 GMC Acadia Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How fuel/propulsion system ranks on this vehicle
Share of the 144 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 GMC Acadia overview page.
What owners report
“My Acadia, 2021 has just 36011 miles. Car sputtered a few times like it was running out of gas and stalled as I was driving…”NHTSA complaint 11682800 — filed 08/25/2025
“Car stalled at intersection and unable to restart. The car would not go into neutral to get the car out of the roadway. The fuel…”NHTSA complaint 11662973 — filed 05/24/2025
“While driving, the vehicle shut off without warning. It was in-traffic when this occurred and subsequently blocked traffic. I tried to restart the vehicle many…”NHTSA complaint 11634336 — filed 01/06/2025
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Fuel/propulsion System complaints by year filed
Frequently asked questions
Does the 2021 GMC Acadia have fuel/propulsion system problems?
Fuel/propulsion System is the #3 most-reported problem area on the 2021 GMC Acadia: 22 of 144 complaints on file (15.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 GMC Acadia have in total?
144 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 6 involved a crash, 0 involved a fire, 3 reported injuries, and none reported deaths.
What does NHTSA's fuel/propulsion system category include?
NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM category exactly as NHTSA defines and records it.
