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ProblemsByVin File / 2021-FORD-MUSTANG
2021 · ford

ford Mustang problems

1 safety recall. 52 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
8.0 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
1
Severe
0
Moderate

Top trouble spots 6 categories with 3+ complaints

fuel system
10 reports · avg $1,200
moderate
powertrain
8 reports · avg $2,500
moderate
engine
7 reports · avg $3,100
severe
electrical
5 reports · avg $850
moderate
brakes
4 reports · avg $450
severe
suspension
3 reports · avg $900
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2021 Mustang · powertrain
After slight acceleration and then light braking vehicle wants to lunge forward and is a outright safety hazard in 3 separate incidents it almost caused an accident and one was a pedestrian, fors is well aware of this vehicles incidents and well documented by text from dealer…
12/30/2022 · NHTSA ODI #11499594.0
2021 Mustang · fuel system
The contact owns a 2021 Ford Mustang. The contact received notification of NHTSA Campaign Number: 25V455000 (Fuel System, Gasoline). The contact stated that while the vehicle was stopped and the accelerator pedal was depressed on several occasions, the vehicle hesitated to…
12/23/2025 · NHTSA ODI #11706727.0
2021 Mustang · electrical
Check engine light keeps coming on even after dealer says it is fixed. Keeps throwing codes evaporative emission system problem.
12/21/2023 · NHTSA ODI #11561274.0
2021 Mustang · brakes Crash
The contact leased a 2021 Ford Mustang from an Enterprise rental company. The contact stated while driving approximately 3-5 MPH and coming to a complete stop, the brake pedal was depressed but the vehicle failed to respond, lunged forward, and hit the rear of the vehicle before…
12/16/2022 · NHTSA ODI #11497775.0

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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Likely repair cost in next 24 months
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Active recalls showing 1 of 1

severe NHTSA 21V980000 16/12/2021

Ford Motor Company (Ford) is recalling certain 2021 Mustang vehicles

An air bag that does not inflate properly can increase the risk of injury in a crash.

Fix: 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.

Common questions

Is the 2021 Ford Mustang reliable?

Mostly yes. With a reliability score of 8.0 out of 10 based on 52 owner complaints filed with NHTSA, the 2021 Ford Mustang is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

What's the most common problem on the 2021 Ford Mustang?

Based on NHTSA records, the most-reported issue is fuel system, with 10 complaints filed. Average repair cost runs about $1,200 at an independent shop.

What's the most expensive thing that goes wrong?

The fuel system is one of the costlier repair items. Average repair cost runs about $1,200 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Ford Mustang has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Ford Mustang?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 52 complaints on file and the costliest repair averaging $1,200, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.

Related vehicles

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 4 days ago. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with ford. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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