Before buying a used 2021 Ford Mustang, check whether recall repairs were completed, how it scored in crash tests and what owners report most often. Ask the seller for service records covering any recall listed below.
A 0–100 grade from public NHTSA data — higher means fewer reported problems. How it's calculated
55 complaints filed with NHTSA (4 involving a crash, 0 a fire). Most-reported areas:
Source: NHTSA owner complaints. Complaints are unverified reports, not confirmed defects.
| Version | City | Highway | Combined |
|---|---|---|---|
| Mustang — Auto (S10), 4 cyl, 2.3 L, Turbo | 11.2 L/100 km (21 mpg) | 7.4 L/100 km (32 mpg) | 9.4 L/100 km (25 mpg) |
| Mustang — Auto (S10), 8 cyl, 5.0 L | 15.7 L/100 km (15 mpg) | 9.8 L/100 km (24 mpg) | 12.4 L/100 km (19 mpg) |
| Mustang — Auto 10-spd, 4 cyl, 2.3 L, Turbo | 11.2 L/100 km (21 mpg) | 7.4 L/100 km (32 mpg) | 9.4 L/100 km (25 mpg) |
| Mustang — Man 6-spd, 4 cyl, 2.3 L, Turbo | 11.2 L/100 km (21 mpg) | 8.1 L/100 km (29 mpg) | 9.8 L/100 km (24 mpg) |
| Mustang — Man 6-spd, 8 cyl, 5.0 L | 15.7 L/100 km (15 mpg) | 9.8 L/100 km (24 mpg) | 13.1 L/100 km (18 mpg) |
| Mustang Convertible — Auto (S10), 4 cyl, 2.3 L, Turbo | 11.8 L/100 km (20 mpg) | 8.4 L/100 km (28 mpg) | 10.2 L/100 km (23 mpg) |
Source: U.S. EPA / fueleconomy.gov. Converted to L/100 km for Canadian buyers.
Ford 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 requirements of Federal Motor Vehicle Safety Standard numbers 226, "Ejection Mitigation," and 214, "Side Impact Protection."
Remedy: Dealers will replace the side curtain air bags, free of charge. An interim owner notification letter was mailed on February 3, 2022. Owner notification letters were mailed on April 22, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21C37.
Ford 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.
Remedy: Dealers will replace the front passenger knee air bag, free of charge. Owner notification letters were mailed on March 8, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S07.
Ford 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 Standard number 135, "Light Vehicle Brake Systems."
Remedy: Dealers will update the body control module software, free of charge. Owner notification letters were mailed December 21, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 23C35.
Ford 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, 2020-2024 Explorer, 2021-2024 Bronco Sport, and 2022-2024 Maverick vehicles. A software error may cause the rearview camera to display a blank image, or the image may remain on the display after the backing event has ended.
Remedy: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed September 4, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S72.
Ford 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 while driving.
Remedy: Dealers will replace the low pressure fuel pump on super duty vehicles and update the powertrain control module (PCM) software on all other affected vehicles, free of charge. Owner notification letters were mailed July 27, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S75.
Ford 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 requirements of Federal Motor Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."
Remedy: Dealers will update the body control module software, free of charge. Owner notification letters were mailed December 11, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25C55. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 17, 2025.
Source: U.S. NHTSA. Canadian-market vehicles can have different recalls — check Transport Canada's recall database. Always confirm recall status for a specific VIN with a dealer.
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2021 Ford Mustang C RWD
2021 Ford Mustang 2 DR RWD
Source: NHTSA New Car Assessment Program.