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#BS-2021-FORMUS-4499

2021 Ford Mustang

Based on reports from 59 owners and 6 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

142

🟡

Preliminary Verdict

Think Twice

Based on 59 complaints, 6 crashes, 0 fires, and 6 recalls. Complaint rate is 7.9x the class average.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Fuel SystemHIGH

11 owners reported fuel system issues — failures commonly reported around 5K miles.

!Inspect the DrivetrainMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 0–30K miles (12 reports) • Median: 5K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Fuel System (11 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Fuel System11 (19%)

Drivetrain8 (14%)

Engine8 (14%)

Electrical6 (10%)

Other5 (8%)

Brakes4 (7%)

Suspension3 (5%)

Airbags2 (3%)

2021 Ford Mustang: Known Issues & Problem Areas

Fuel System Issues

Fuel System complaints account for 19% of all reports filed for the 2021 Ford Mustang, with 11 owners filing complaints with NHTSA. The median mileage at time of complaint is 5,130 miles, suggesting issues tend to surface around the 5K-mile mark.

Drivetrain Issues

Drivetrain complaints account for 14% of all reports filed for the 2021 Ford Mustang, with 8 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.

Engine Issues

Engine complaints account for 14% of all reports filed for the 2021 Ford Mustang, with 8 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 10% of all reports filed for the 2021 Ford Mustang, with 6 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

Complaints filed with NHTSA by year for the 2021 Ford Mustang. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (6 recalls)

21V980000Apr 2022

AIR BAGS:SIDE/WINDOW:CURTAIN

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."

22V083000Mar 2022

AIR BAGS:KNEE BOLSTER

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.

23V727000Dec 2023

ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

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."

25V442000Sep 2025

BACK OVER PREVENTION:SOFTWARE

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.

25V455000

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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.

+ 1 more recall in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Ford Mustang is the 2010 — worth knowing if you're cross-shopping years. The biggest problem area is body / paint.

2021 Ford Mustang vs. Class Average (Subcompact Cars)

This vehicle

Class avg

7.9x the class average — significantly more complaints than typical subcompact cars vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 59 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 6 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Ford Mustang Model Years

View all Ford Mustang years →

2021 Ford Mustang: Frequently Asked Questions

What is the most common problem with the 2021 Ford Mustang?

The most commonly reported issue with the 2021 Ford Mustang is related to the fuel system, with 11 complaints filed with NHTSA.

Is the 2021 Ford Mustang reliable?

The 2021 Ford Mustang has 59 complaints, 6 crash reports, and 0 fire reports filed with NHTSA. This is 7.9x the class average — higher than typical for its segment.

How much does it cost to fix 2021 Ford Mustang problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2021 Ford Mustang have any recalls?

Yes, the 2021 Ford Mustang has 6 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Ford Mustang problems start?

Based on 17 complaints with mileage data, the median mileage at time of complaint is 5,130 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.