2021 Ford Mustang problems
What owners report to NHTSA, grouped by component, with the recalls that cover them.
NHTSA has 55 owner complaints on file for the 2021 Ford Mustang, filed between 2021-11-26 and 2026-06-22. The most common problem areas are the fuel system, gasoline (10, 18%), power train (9, 16%) and engine (8, 15%). Owners reported 4 crashes and 2 injuries in these complaints. NHTSA lists 6 recalls for this model year.
Last updated: · Source: NHTSA complaints and recalls databases
2021 Ford Mustang complaints by component
| Component | Complaints | Share | Crashes | Fires | Injuries |
|---|---|---|---|---|---|
| Fuel system, gasoline | 10 | 18% | 0 | 0 | 0 |
| Power train | 9 | 16% | 1 | 0 | 1 |
| Engine | 8 | 15% | 0 | 0 | 0 |
| Electrical system | 6 | 11% | 1 | 0 | 1 |
| Fuel/propulsion system | 5 | 9% | 0 | 0 | 0 |
| Unknown or other | 5 | 9% | 1 | 0 | 0 |
| Back over prevention | 4 | 7% | 0 | 0 | 0 |
| Service brakes, hydraulic | 3 | 5% | 1 | 0 | 0 |
| Suspension | 3 | 5% | 0 | 0 | 0 |
| Air bags | 2 | 4% | 0 | 0 | 0 |
| Engine and engine cooling | 2 | 4% | 1 | 0 | 1 |
| Service brakes | 2 | 4% | 0 | 0 | 0 |
| Visibility | 2 | 4% | 0 | 0 | 0 |
| Forward collision avoidance | 1 | 2% | 0 | 0 | 0 |
| Seat belts | 1 | 2% | 0 | 0 | 0 |
A complaint can name several components, so shares can add up to more than 100%. Crashes, fires and injuries are as reported by owners.
The top problem areas, in plain English
Each summary is built from the complaint counts and NHTSA recall notices, not from individual owner stories.
Fuel system, gasoline: 10 complaints
- 10 complaints of 55 (18%) name the fuel system, gasoline.
- None of these complaints reports a crash, fire or injury.
- One NHTSA recall covers this system on the 2021 Ford Mustang; the recall, campaign 25V455000, says: “The low-pressure fuel pump may fail, which can result in an engine stall while driving.”
Power train: 9 complaints
- 9 complaints of 55 (16%) name the power train — the transmission, transfer case, driveshafts and axles.
- Owners reported 1 crash and 1 injury in these complaints.
- No NHTSA recall for the 2021 Ford Mustang covers this system.
Engine: 8 complaints
- 8 complaints of 55 (15%) name the engine.
- 2 of them also name the fuel/propulsion system; none of these complaints reports a crash, fire or injury.
- No NHTSA recall for the 2021 Ford Mustang covers this system.
Electrical system: 6 complaints
- 6 complaints of 55 (11%) name the electrical system — wiring, battery and charging, fuses, control modules and in-car electronics.
- Owners reported 1 crash and 1 injury in these complaints.
- 2 NHTSA recalls cover this system on the 2021 Ford Mustang; the latest, campaign 25V689000, says: “The brake fluid level sensor may not activate the visual warning indicator when the brake fluid is low.”
Fuel/propulsion system: 5 complaints
- 5 complaints of 55 (9%) name the fuel/propulsion system — the fuel tank, pump, lines, injectors and fuel-system controls.
- 2 of them also name the engine; none of these complaints reports a crash, fire or injury.
- No NHTSA recall for the 2021 Ford Mustang covers this system.
Back over prevention: 4 complaints
- 4 complaints of 55 (7%) name the back over prevention — the rear-view camera and rear back-over warning systems.
- None of these complaints reports a crash, fire or injury.
- One NHTSA recall covers this system on the 2021 Ford Mustang; the recall, campaign 25V442000, says: “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.”
When the complaints were filed
| Year filed | Complaints |
|---|---|
| 2021 | 1 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 19 |
| 2026 | 10 |
What is counted
Owner complaints filed with NHTSA for the model names MUSTANG, MUSTANG GT500, model year 2021. Complaints are unverified owner reports; a recall is NHTSA's confirmed safety defect. See the 2021 Ford Mustang recalls.
Frequently asked questions
What are the most common problems with the 2021 Ford Mustang?
By NHTSA owner complaints, the 2021 Ford Mustang's most common problem areas are the fuel system, gasoline (10 of 55 complaints), power train (9 of 55 complaints) and engine (8 of 55 complaints).
How many complaints does the 2021 Ford Mustang have?
NHTSA has 55 owner complaints on file for the 2021 Ford Mustang, including 4 reported crashes.
Is there a recall for the 2021 Ford Mustang's problems?
NHTSA lists 6 recalls for the 2021 Ford Mustang; 3 of the top 6 complaint areas have a matching recall. Recall repairs are free at a dealer; check your VIN for open recalls.