Alfa romeo 156 vs Alfa romeo Guilia gtv1750: 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 Guilia gtv1750
82%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Alfa romeo 156 (66%) and Alfa romeo Guilia gtv1750 (82%) 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 Guilia gtv1750 |
|---|---|---|
| MOT pass rate | 66% | 82% ✓ |
| MOT failure rate | 34% | 18% ✓ |
| Faults & advisories per test | 2.3 | 0.7 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 109,793 mi | 99,865 mi |
| Sample size (vehicles) | 48,347 | 1 |
Most common faults
Alfa romeo 156
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front position lamp(s) not working (1.1.A.3b)
- Oil leak
Alfa romeo Guilia gtv1750
- slight oil leak
- Steering box has seepage (2.1.1 (e) (i))
- Nearside Direction indicator excessively damaged so that it is not visible from a reasonable distance (1.4.A.2e)
- Nearside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)
- Nearside Front Track rod end ball joint has slight play (2.2.B.1f)
- Nearside Front position lamp(s) not working (1.1.A.3b)
Reliability FAQ
On MOT pass rate the Alfa romeo 156 (66%) and Alfa romeo Guilia gtv1750 (82%) 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 Guilia gtv1750 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.