2021 Ford Mustang: owner complaints and recalls

Owners have filed 55 complaints about the 2021 Ford Mustang and NHTSA has issued 6 recall campaigns. The most-reported system is fuel system, named in 10 of them.

55
Complaints
6
Recalls
4
Crash reports
0
Fire reports
2
Injuries
58.2
Severity index

Severity index 58.2 - Medium. It weights crashes, fires, injuries and fatalities per 100 complaints, so a vehicle attracting serious reports scores above one attracting many trivial ones (how this is calculated).

Middle half of all tracked vehiclesThis vehicle: 58.2p25 35p75 96cleanestworst
Where the 2021 Ford Mustang sits against the quartiles of every vehicle we track.

Among the 90 2021 vehicles we track with at least 40 complaints on file, the 2021 Ford Mustang ranks 40 of 90 by severity, where 1 is the worst. Its severity is higher than 56% of its model-year peers. See the full 2021 ranking.

What actually fails

Fuel SystemFuel System: 10 complaints (18.2%)10 18%GasolineGasoline: 10 complaints (18.2%)10 18%Power TrainPower Train: 9 complaints (16.4%)9 16%EngineEngine: 8 complaints (14.5%)8 15%Electrical SystemElectrical System: 6 complaints (10.9%)6 11%Fuel/Propulsion SystemFuel/Propulsion System: 5 complaints (9.1%)5 9%Unknown Or OtherUnknown Or Other: 5 complaints (9.1%)5 9%Service BrakesService Brakes: 5 complaints (9.1%)5 9%
Systems named in complaints. One complaint can name several, so shares overlap.
ComponentComplaintsShare of complaints citing it
FUEL SYSTEM1018.2%
GASOLINE1018.2%
POWER TRAIN916.4%
ENGINE814.5%
ELECTRICAL SYSTEM610.9%
FUEL/PROPULSION SYSTEM59.1%
UNKNOWN OR OTHER59.1%
SERVICE BRAKES59.1%

Complaints filed per year

010192021: 12022: 92023: 102024: 62025: 192026: 10 (partial year)21222324251926
Complaints filed per calendar year, not model year. The hatched bar is the current year and is still incomplete.
YearComplaints
20211
20229
202310
20246
202519
2026 (year to date)10
Complaint volume is rising - the last three years carry 3.5x the filings of the three before them, which usually signals a wear-related defect surfacing with age.

Recall campaigns

CampaignReportedComponentSummary
21V98000016/12/2021AIR BAGS:SIDE/WINDOW:CURTAINFord Motor Company (Ford) is recalling certain 2021 Mustang vehicles. The side curtain air bag inflators may have been manufactured with the incorrect amount of compressed gas, which can result in improper air bag inflation. As such, these vehicles fail to comply with the requi
22V08300016/02/2022AIR BAGS:KNEE BOLSTERFord Motor Company (Ford) is recalling certain 2021-2022 Mustang vehicles. An insufficient weld on the front passenger knee air bag may result in an improper air bag deployment.
23V72700027/10/2023ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCMFord Motor Company (Ford) is recalling certain 2020-2023 Mustang vehicles. The brake fluid level sensor may not activate the visual warning indicator when the brake fluid is low. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standa
25V44200027/06/2025BACK OVER PREVENTION:SOFTWAREFord Motor Company (Ford) is recalling certain 2018-2022 Transit Connect, 2019-2020 MKZ, MKX, Edge, Continental, F-150, Nautilus, Fusion, 2019-2023 Ranger, Mustang, 2020-2021 EcoSport, Expedition, Navigator, 2020-2022 Escape, F-250 SD, Corsair, 2020-2023 Aviator, Transit, 2020-2
25V45500007/07/2025FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMPFord Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall
25V68900010/10/2025ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCMFord Motor Company (Ford) is recalling certain 2021-2023 Mustang vehicles repaired incorrectly under recall number 23V727. The brake fluid level sensor may not activate the visual warning indicator when the brake fluid is low. As such, these vehicles fail to comply with the requ
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.