Skip to content

Ford Fiesta vs Ford Street ka: 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 Street ka
63%
MOT pass rate · 6 vehicles
Verdict: On MOT pass rate the Ford Fiesta (73%) and Ford Street ka (63%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Ford Fiesta Ford Street ka
MOT pass rate 73% ✓ 63%
MOT failure rate 27% ✓ 37%
Faults & advisories per test 2.1 ✓ 2.2
Dangerous-fault share 2% ✓ 5%
Average mileage 84,529 mi 192,547 mi
Sample size (vehicles) 2,835,744 6

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 Street ka

  1. Nearside Rear Road wheel with a slightly distorted bead rim (4.2.A.1a)
  2. Oil leak, but not excessive (8.4.1 (a) (i))
  3. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  5. Offside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)
  6. Offside Front Brake hose slightly deteriorated (3.6.B.4d)

Reliability FAQ

On MOT pass rate the Ford Fiesta (73%) and Ford Street ka (63%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Ford Fiesta report Full Ford Street ka 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.