What are the most common problems with the 2021 Ford Mustang?

Prioritize inspection of the **power train** and **engine** for potential issues like erratic shifting, misfires, or even catastrophic failure.

How many recalls does the 2021 Ford Mustang have?

The 2021 Ford Mustang currently has 11 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 Ford Mustang a good buy used?

Verdict: High risk. Prioritize inspection of the **power train** and **engine** for potential issues like erratic shifting, misfires, or even catastrophic failure. Verify that all open recalls, especially those concerning **fuel pumps** and **airbags**, have been completed by a qualified technician. Expect average fuel economy for its class, with a combined EPA rating of 18 MPG, translating to potentially high fuel costs. The **electrical system** is another area of concern, with complaints ranging from instrument cluster issues to power steering loss. While rated for rollover safety, overall crash test data is not available, making it difficult to assess its safety performance comprehensively. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 Ford Mustang?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 Ford Mustang.

2021 Ford Mustang Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026Ethan Miller8 Critical Recalls

Overall Score

Our Verdict

High risk

Key Takeaways

Prioritize inspection of the power train and engine for potential issues like erratic shifting, misfires, or even catastrophic failure.
Verify that all open recalls, especially those concerning fuel pumps and airbags, have been completed by a qualified technician.
Expect average fuel economy for its class, with a combined EPA rating of 18 MPG, translating to potentially high fuel costs.
The electrical system is another area of concern, with complaints ranging from instrument cluster issues to power steering loss.

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Overview

2021 Ford Mustang

The 2021 Ford Mustang is a rear-wheel-drive sports car known for its iconic styling and potent V8 engine options. However, used buyers should approach with caution due to a below-average reliability assessment. Numerous recalls and complaints point to potential issues with the power train, engine, and electrical systems, some of which have led to serious consequences. Expect average fuel economy and factor in potential repair costs.

Critical Failure Risk

Erratic shifting, bucking, and lunging at low speeds and during downshifts.

Early detection can help you avoid a $500-$5,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls11

Service Bulletins0

Full Recall History →

Owner Complaints

Power Train8

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption, and limited seating.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts who prioritize performance and style and are willing to undertake diligent pre-purchase inspections and potentially higher maintenance costs.

+1 more buyer-fit notes in the full report

Avoid if

Risk-averse buyers or those seeking a trouble-free ownership experience.

+1 more buyer-fit warnings in the full report

2021 Ford Mustang Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Regular
Seating Capacity: 4
Transmission: Manual 6-spd
Drivetrain: RWD/Rear-Wheel Drive
Body Style: Hatchback
EPA Combined MPG: 18

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Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

1. Powertrain

Most reported

Usage: 8 reports

2. ENGINE

Usage: 7 reports

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) and Tire Rotation (Parts: 5W-30 Synthetic Engine Oil, Oil Filter)

Est. shop cost: $100 - $150

5,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (5 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

11 recall campaign details & remedy notes

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FAQ

Is the 2021 Ford Mustang reliable?

The CarFocal Reliability Score for the 2021 Ford Mustang is 7.3/10. Reliability score is 7.3/10. NHTSA recalls: 11. Owner complaints: 55.

How practical is the 2021 Ford Mustang for daily use?

Practicality score is 2.9/10. The score is mainly limited by high fuel consumption, and limited seating. EPA combined economy is 18 MPG. Seating capacity is 4.

What is the overall score for the 2021 Ford Mustang?

The CarFocal Overall Score for the 2021 Ford Mustang is 5.6/10. Overall score is 5.6/10 (Mixed). Confidence 55%. Maintenance 7.7/10. Tuning 5.0/10. Practicality 2.9/10.

What does it cost to own and maintain a 2021 Ford Mustang?

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) and Tire Rotation (Parts: 5W-30 Synthetic Engine Oil, Oil Filter) at 5,000 miles. Estimated first-year maintenance: $1,000 - $1,500. Repair prediction highlight: Fuel Pump (typical at 35,000 miles, estimated cost Min: $600).

What engine is in the 2021 Ford Mustang?

Engine specs list 8 • 5.0.

What transmission does the 2021 Ford Mustang use?

According to CarFocal's specs for the 2021 Ford Mustang, transmission is Manual 6-spd. The paired drivetrain is RWD/Rear-Wheel Drive.

What is the combined EPA MPG for the 2021 Ford Mustang?

EPA combined estimate is 18 MPG.

What driver assistance and safety features are available on the 2021 Ford Mustang?

10 standard and 1 optional driver assistance features. Key features include Anti-lock Braking System, Traction Control, Tire Pressure Monitoring System.

How many people fit in a 2021 Ford Mustang?

According to CarFocal's specs for the 2021 Ford Mustang, seating capacity is 4.

What body style is the 2021 Ford Mustang?

According to CarFocal's specs for the 2021 Ford Mustang, body style is hatchback.

What drivetrain does the 2021 Ford Mustang use?

According to CarFocal's specs for the 2021 Ford Mustang, drivetrain is RWD/Rear-Wheel Drive. Transmission is Manual 6-spd.

What are the NHTSA safety ratings for the 2021 Ford Mustang?

NHTSA ratings: Rollover 5/5.

Is the 2021 Ford Mustang good for tuning?

Tuning potential is rated 5/10. This guide details tuning and modification options for the 2021 Ford Mustang (US market). While the 5. Popular platforms: 5.0L Coyote V8.

What are the most common power train problems on the 2021 Ford Mustang?

Top complaint category: power train (8 reports, 14.5% of complaints).

Are there open safety recalls on the 2021 Ford Mustang?

This model year has 11 official safety campaigns listed.

Should buyers consider alternatives to the 2021 Ford Mustang?

Alternatives listed in this guide: 2021 Chevrolet Camaro and 2021 Dodge Challenger.