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Ford Focus vs Ford Shelby gt 500: reliability comparison

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

Ford Focus
74%
MOT pass rate · 2,068,317 vehicles
Ford Shelby gt 500
86%
MOT pass rate · 8 vehicles
Verdict: On MOT pass rate the Ford Focus (74%) and Ford Shelby gt 500 (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Ford Focus Ford Shelby gt 500
MOT pass rate 74% 86% ✓
MOT failure rate 26% 14% ✓
Faults & advisories per test 1.9 0.8 ✓
Dangerous-fault share 2% ✓ 10%
Average mileage 107,385 mi 36,220 mi
Sample size (vehicles) 2,068,317 8

Most common faults

Ford Focus

  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. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Ford Shelby gt 500

  1. Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))
  2. Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))
  3. Offside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Rear Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate the Ford Focus (74%) and Ford Shelby gt 500 (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Ford Focus report Full Ford Shelby gt 500 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.