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Ford Mondeo vs Ford Mustang 55 edition: reliability comparison

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

Ford Mondeo
70%
MOT pass rate · 1,212,823 vehicles
Ford Mustang 55 edition
89%
MOT pass rate · 76 vehicles
More reliable
Verdict: On MOT pass rate, the Ford Mustang 55 edition is the more reliable of the two — 89% pass first time versus 70%. It's one signal among several; check the full breakdown below.

Head to head

Measure Ford Mondeo Ford Mustang 55 edition
MOT pass rate 70% 89%
MOT failure rate 30% 11%
Faults & advisories per test 2.2 0.6
Dangerous-fault share 1% 10%
Average mileage 130,467 mi 23,657 mi
Sample size (vehicles) 1,212,823 76

Most common faults

Ford Mondeo

  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. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Parking brake: efficiency below requirements (3.7.B.7)
  6. Front Brake pad(s) wearing thin (3.5.1g)

Ford Mustang 55 edition

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  3. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate, the Ford Mustang 55 edition is the more reliable of the two — 89% pass first time versus 70%. It's one signal among several; check the full breakdown below.

Full Ford Mondeo report Full Ford Mustang 55 edition 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.