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Ford Fiasta vs Ford Mondeo: reliability comparison

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

Ford Fiasta
70%
MOT pass rate · 5 vehicles
Ford Mondeo
70%
MOT pass rate · 1,212,823 vehicles
Verdict: On MOT pass rate the Ford Fiasta (70%) and Ford Mondeo (70%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Ford Fiasta Ford Mondeo
MOT pass rate 70% 70%
MOT failure rate 30% 30%
Faults & advisories per test 2.4 2.2 ✓
Dangerous-fault share 1% 1%
Average mileage 193,988 mi 130,467 mi
Sample size (vehicles) 5 1,212,823

Most common faults

Ford Fiasta

  1. Front Registration plate deteriorated but not likely to be misread (0.1 (b))
  2. Oil leak
  3. Rear Registration plate deteriorated but not likely to be misread (0.1 (b))
  4. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Brake pipe slightly corroded (3.6.B.2c)

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)

Reliability FAQ

On MOT pass rate the Ford Fiasta (70%) and Ford Mondeo (70%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Ford Fiasta report Full Ford Mondeo 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.