Skip to content

Ford Fiesta trend vs Ford Mondeo: reliability comparison

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

Ford Fiesta trend
89%
MOT pass rate · 8,756 vehicles
More reliable
Ford Mondeo
70%
MOT pass rate · 1,212,823 vehicles
Verdict: On MOT pass rate, the Ford Fiesta trend 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 Fiesta trend Ford Mondeo
MOT pass rate 89% 70%
MOT failure rate 11% 30%
Faults & advisories per test 0.9 2.2
Dangerous-fault share 5% 1%
Average mileage 32,842 mi 130,467 mi
Sample size (vehicles) 8,756 1,212,823

Most common faults

Ford Fiesta trend

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  5. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

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 Fiesta trend 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 Fiesta trend 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.