2021 Ford Mustang problems and recalls

Owners have filed 55 complaints on the 2021 Ford Mustang, and NHTSA has issued 6 recalls. The most cited component is the Fuel System (10 complaints).

55
Complaints
6
Recalls
4
Crash reports
0
Fire reports
2
Injuries
60.0
Severity index

Severity index 60.0 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 60.0p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 39 of 92 by severity index among 2021 vehicles with at least 40 complaints, highest first. 58% of those vehicles scored lower. Full 2021 ranking.

Components cited in complaints

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%
A single complaint can cite more than one component, so shares total over 100%.
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 by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20211
20229
202310
20246
202519
2026 (year to date)10
Filings in 2023 to 2025 ran 3.5x those in 2021 to 2022 (35 against 10).

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

Other Ford Mustang model years

Severity index for every other model year on file. Compare all 13 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-08-06. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.