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Ford Fiesta vs Ford Mutang: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Ford Fiesta
73%
MOT pass rate · 2,835,744 vehicles
Ford Mutang
89%
MOT pass rate · 3 vehicles
Verdict: On MOT pass rate the Ford Fiesta (73%) and Ford Mutang (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Ford Fiesta Ford Mutang
MOT pass rate 73% 89% ✓
MOT failure rate 27% 11% ✓
Faults & advisories per test 2.1 0.4 ✓
Dangerous-fault share 2% 0% ✓
Average mileage 84,529 mi 35,472 mi
Sample size (vehicles) 2,835,744 3

Most common faults

Ford Fiesta

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Ford Mutang

  1. Exhaust noisy (7.1.4)
  2. Items removed from driver's view prior to test
  3. passenger SRS turned off
  4. Nearside Power steering pipe(s) or hose(s) has slight seepage (2.3.3b)
  5. nearside front tyre sidewall perishing
  6. Offside Side repeater adversely affected by the operation of another lamp (1.4.A.2h)

Reliability FAQ

On MOT pass rate the Ford Fiesta (73%) and Ford Mutang (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Ford Fiesta report Full Ford Mutang report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.