Fiat Ducato vs Fiat P4: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Fiat Ducato
75%
MOT pass rate · 145,137 vehicles
Fiat P4
62%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Fiat Ducato (75%) and Fiat P4 (62%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Fiat Ducato | Fiat P4 |
|---|---|---|
| MOT pass rate | 75% ✓ | 62% |
| MOT failure rate | 25% ✓ | 38% |
| Faults & advisories per test | 1.9 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 93,121 mi | — |
| Sample size (vehicles) | 145,137 | 1 |
Most common faults
Fiat Ducato
- Oil leak, but not excessive (8.4.1 (a) (i))
- Parking brake: efficiency below requirements (3.7.B.7)
- Oil leak
- 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)
- Parking brake efficiency below requirements (1.4.2 (a) (i))
Fiat P4
- Registration plate lamp not working (1.1.5c)
- Nearside Rear Rear position lamp(s) not working (1.1.A.3b)
- Rear fog lamp not working (1.3.2b)
- Registration plate lamp not working (1.1.C.1d)
- Nearside Rear Direction indicator not working (4.4.1 (a) (ii))
- Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))
Reliability FAQ
On MOT pass rate the Fiat Ducato (75%) and Fiat P4 (62%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Fiat Ducato report Full Fiat P4 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.