Fiat Auto-sleepers vs Fiat Ducato: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Fiat Auto-sleepers
87%
MOT pass rate · 139 vehicles
More reliable
Fiat Ducato
75%
MOT pass rate · 145,137 vehicles
Verdict: On MOT pass rate, the Fiat Auto-sleepers is the more reliable of the two — 87% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Fiat Auto-sleepers | Fiat Ducato |
|---|---|---|
| MOT pass rate | 87% ✓ | 75% |
| MOT failure rate | 13% ✓ | 25% |
| Faults & advisories per test | 0.8 ✓ | 1.9 |
| Dangerous-fault share | 1% ✓ | 2% |
| Average mileage | 21,663 mi | 93,121 mi |
| Sample size (vehicles) | 139 | 145,137 |
Most common faults
Fiat Auto-sleepers
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
- Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Power steering pipe/hose slightly corroded (2.1.5 (g) (i))
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))
Reliability FAQ
On MOT pass rate, the Fiat Auto-sleepers is the more reliable of the two — 87% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Fiat Auto-sleepers report Full Fiat Ducato 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.