Ford Mustang Mach-E Mk1 (2021-present) reliability
Ford Mustang Mach-E Mk1 built around 2021: about average at the MOT
Ford Mustang Mach-E Mk1 models built around 2021 fail their MOT about as often as similar cars the same age.
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Key figure
9% of MOT tests on Ford Mustang Mach-E Mk1 models built around 2021 ended in a fail (retests included), against 11% for similar cars the same age.
Most common issue
The most common MOT issue on Ford Mustang Mach-E Mk1 models built around 2021 involves the tyres.
Based on 6,252 tests of Mustang Mach-E models registered 2021+.
About 1 in 9 electricity Mustang Mach-E cars registered in 2022 (11%) failed their first MOT.
Based on 3,920 first MOTs (DVSA MOT results, 2025).
About 1 in 50 Mustang Mach-E Mk1 MOTs (2.2%) failed and still hadn't passed 3 days later. That's for cars built around 2021 (4 years old), all fuels combined.
Based on 1,521 tests (DVSA MOT results, 2025). A fail that passed a retest within 3 days, even the same day, isn't counted. Nor is a fail with no later MOT on record.
About 1 in 20 Mustang Mach-E Mk1 MOTs (4.7%) found at least one dangerous defect. These are cars built around 2021 (4 years old).
Based on 1,521 tests (DVSA MOT results, 2025). Dangerous is the most serious grade an MOT gives: a direct risk to road safety.
Mk1 fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 4 years old.
How the Mustang Mach-E Mk1 compares
At each age below, see how the Mustang Mach-E Mk1 holds up against other cars the same age. The averages combine all fuel types.
Based on 168,289 tests across 14 Ford models, built around 2021 (4 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Brake discs
High priorityAsk for the date and mileage of the last disc replacement; visually check for a deep wear lip and rust pitting on each disc.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Windscreen
If you have timeInspect for chips and cracks in the wiper sweep area (Zone A) — these will fail an MOT.
Other SUVs to compare
Other SUVs, with each one's figures taken at the same age as the Mustang Mach-E Mk1.
- 1
Lexus UX
Same body type, tested at the same age
- Fail rate
- 6%
- Fail, no pass in 3 days
- 0.7%
- Dangerous
- 1.8%
Lower fail rate: 6.0%, against 9.3% for the Ford Mustang Mach-E Mk1, both built around 2021.
4,973 MOT tests on cars built around 2021
- 2
Lexus RX
Same body type, tested at the same age
- Fail rate
- 5.1%
- Fail, no pass in 3 days
- 0.5%
- Dangerous
- 1.7%
- Still registered at 10 years
- 90.4%
Lower fail rate: 5.1%, against 9.3% for the Ford Mustang Mach-E Mk1, both built around 2021.
1,784 MOT tests on cars built around 2021
- 3
Toyota Yaris Cross
Same body type, tested at the same age
- Fail rate
- 7%
- Fail, no pass in 3 days
- 0.6%
- Dangerous
- 1.2%
Lower fail rate: 7.0%, against 9.3% for the Ford Mustang Mach-E Mk1, both built around 2021.
1,425 MOT tests on cars built around 2021
- 4
Suzuki Vitara
Same body type, tested at the same age
- Fail rate
- 7.5%
- Fail, no pass in 3 days
- 0.5%
- Dangerous
- 2%
- Still registered at 10 years
- 95.9%
Fewer fails still not passed 3 days later: 0.5%, against 2.2% for the Ford Mustang Mach-E Mk1.
2 critical recall campaigns matching this model/build period.
6,708 MOT tests on cars built around 2021
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
Recall context
34 recalls in all14 of the 34 Mustang Mach-E Mk1 recalls cover cars built in these years.
- 14 recalls
Top concerns
- Multi vehicle line: traffic sign recognition (TSR) unexpected activation / deactivation
- Multi vehicle line: unintended high beam behaviour - compliance
- Certain vehicles have been produced with a mismatch of information between vehicle identification number (VIN) label cer
For the exact car, check GOV.UK's recall checker with the number plate.
Most common issues on Ford Mustang Mach-E models of this age
This list covers every Ford Mustang Mach-E built around 2021, whichever generation it is. We don't have a defect list for the Mk1 on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 124.3%Advisory
Tyre worn close to the legal limit or worn on the edge
- 25.0%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
- 34.7%Advisory
Tyre slightly damaged, cracking or perishing
- 43.4%Advisory
Tyre has a cut that does not reach the ply or cords
- 52.1%Minor
Windscreen damaged, but the driver can still see clearly
Based on 1,547 tests
Looking at a Ford Mustang Mach-E Mk1?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2021 (4 years old), the Ford Mustang Mach-E Mk1 (2021-present) fails MOTs slightly less often than typical for this age. This is based on 1,521 4-year-old MOT tests from DVSA data. Each retest counts as a test.