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Alfa romeo 156 vs Alfa romeo Guilleta: reliability comparison

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

Alfa romeo 156
66%
MOT pass rate · 48,347 vehicles
Alfa romeo Guilleta
81%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Alfa romeo 156 (66%) and Alfa romeo Guilleta (81%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Alfa romeo 156 Alfa romeo Guilleta
MOT pass rate 66% 81% ✓
MOT failure rate 34% 19% ✓
Faults & advisories per test 2.3 1.2 ✓
Dangerous-fault share 0% ✓ 5%
Average mileage 109,793 mi 94,429 mi
Sample size (vehicles) 48,347 1

Most common faults

Alfa romeo 156

  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 position lamp(s) not working (1.1.A.3b)
  6. Oil leak

Alfa romeo Guilleta

  1. Nearside Rear Nail in tyre
  2. Oil leak, but not excessive (8.4.1 (a) (i))
  3. Front Tyre worn close to the legal limit BOTH (4.1.E.1)
  4. Uneven wear on both rear tyres
  5. Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
  6. Front brake pads wearing low

Reliability FAQ

On MOT pass rate the Alfa romeo 156 (66%) and Alfa romeo Guilleta (81%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Alfa romeo 156 report Full Alfa romeo Guilleta 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.