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Alfa romeo 147 vs Alfa romeo Guilia super: 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 Guilia super
76%
MOT pass rate · 6 vehicles
Verdict: On MOT pass rate the Alfa romeo 147 (69%) and Alfa romeo Guilia super (76%) 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 Guilia super
MOT pass rate 69% 76% ✓
MOT failure rate 31% 24% ✓
Faults & advisories per test 2.2 0.9 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 102,577 mi 58,272 mi
Sample size (vehicles) 31,412 6

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 Guilia super

  1. Windscreen washer provides insufficient washer liquid (8.2.3)
  2. Offside Headlamp aim beam image kick up to the offside (1.8)
  3. Parking brake: efficiency below requirements (3.7.B.7)
  4. Slight oil leak from steering box
  5. Nearside Front Brake hose slightly deteriorated (3.6.B.4d)
  6. BONNET DIFFICULT T6O OPEN.

Reliability FAQ

On MOT pass rate the Alfa romeo 147 (69%) and Alfa romeo Guilia super (76%) 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 Guilia super 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.