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Alfa romeo 147 vs Alfa romeo S: reliability comparison

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

Alfa romeo 147
69%
MOT pass rate · 31,412 vehicles
Alfa romeo S
83%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Alfa romeo 147 (69%) and Alfa romeo S (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Alfa romeo 147 Alfa romeo S
MOT pass rate 69% 83% ✓
MOT failure rate 31% 17% ✓
Faults & advisories per test 2.2 0.7 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 102,577 mi 556 mi
Sample size (vehicles) 31,412 1

Most common faults

Alfa romeo 147

  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. Rear Exhaust has part of the system slightly deteriorated (7.1.1a)
  6. Oil leak

Alfa romeo S

  1. Nearside Front Front position lamp(s) not working (1.1.A.3b)
  2. Nearside Front Headlamp aim beam image kick up to the offside (1.6.B1)
  3. Offside Front Headlamp aim beam image kick up to the offside (1.6.B1)
  4. Offside Front Windscreen washer provides insufficient washer liquid (8.2.3)
  5. Offside Front Windscreen wiper blade deteriorated (8.2.2)
  6. Parking brake: efficiency below requirements (3.7.B.7)

Reliability FAQ

On MOT pass rate the Alfa romeo 147 (69%) and Alfa romeo S (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Alfa romeo 147 report Full Alfa romeo S 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.