2021 Ford Mustang Mach-E problems
The 2021 Ford Mustang Mach-E has 336 NHTSA owner complaints and no active recalls. Here's where owners say it breaks.
The 2021 Ford Mustang Mach-E has 336 NHTSA owner complaints on file (U.S. federal records, as of July 2026). The most-reported system is electrical at 110 complaints, typically surfacing around 34,578 miles (~$850 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2021 Mustang Mach-E (this page) | 336 | 0 |
| 2022 Mustang Mach-E | 127 | 0 |
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
- Powertrain: 48 complaints, classified severe
- Reliability score 7.2/10 — around the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
NHTSA crash-test safety ratings
Driver-assist features on the tested model: Electronic stability control: Standard · Forward collision warning: Standard · Lane departure warning: Standard
Source: NHTSA New Car Assessment Program — tested configuration: 2021 Ford Mustang Mach-E SUV AWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
Buying a used 2021 Ford Mustang Mach-E? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- electrical — 110 owner reports · tends to show around 34,578 mi · ~$850 to fix
- powertrain — 48 owner reports · tends to show around 20,400 mi · ~$2,500 to fix
- cruise control — 18 owner reports · tends to show around 8,543 mi · ~$600 to fix
- visibility — 15 owner reports · tends to show around 25,163 mi · ~$350 to fix
⚠ The one to take seriously: powertrain is flagged severe on this model , showing up around 20,400 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 7.2/10 model. The priciest documented failure is powertrain (~$2,500) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2021 Ford Mustang Mach-E
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 7 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
Twice in about a week my 12V battery has died without warning. The car is inoperable and there’s no way to open the car doors or even the trunk and front trunk. We’ve been locked out entirely. Left stranded in parking lots waiting for tow trucks. The only fix is jumping the…
I have complained several times with Ford Dealers to fix the issues involving my vehicle accelerating on its own. The vehicle within a week will accelerate on its own 4-6 times when exiting a parking spot or my driveway.
Twice in about a week my 12V battery has died without warning. The car is inoperable and there’s no way to open the car doors or even the trunk and front trunk. We’ve been locked out entirely. Left stranded in parking lots waiting for tow trucks. The only fix is jumping the…
It has several error messages including "Stop safely now". This seems to be the same issue as recall 23S56 (TSB 22-2178). The vehicle is not drivable as it will not start or go into gear. Seems to be known issue with the HVBJB.
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2021 Ford Mustang Mach-E reliable?
Mostly yes. With a reliability score of 7.2 out of 10 based on 336 owner complaints filed with NHTSA, the 2021 Ford Mustang Mach-E is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2021 Ford Mustang Mach-E?
The 2021 Ford Mustang Mach-E is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Powertrain: 48 complaints, classified severe; Reliability score 7.2/10 — around the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2021 Ford Mustang Mach-E?
Inspect the electrical first — it's the most-reported issue on this model, with 110 owner complaints filed. Typical failure occurs around 34,578 miles. Average repair cost runs about $850 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2021 Ford Mustang Mach-E a good used car to buy?
It scores 7.2 out of 10 on our NHTSA-based read of 336 owner complaints. The main thing to watch is electrical. Typical failure occurs around 34,578 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2021 Ford Mustang Mach-E?
Based on NHTSA records, the most-reported issue is electrical, with 110 complaints filed. Typical failure occurs around 34,578 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 34,578 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Ford Mustang Mach-E 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 Mach-E?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 336 complaints on file and the costliest repair averaging $850, 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 are not always better value.