Fiat 500 vs Fiat Arto: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Fiat 500
77%
MOT pass rate · 333,596 vehicles
Fiat Arto
81%
MOT pass rate · 24 vehicles
More reliable
Verdict: On MOT pass rate, the Fiat Arto is the more reliable of the two — 81% pass first time versus 77%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Fiat 500 | Fiat Arto |
|---|---|---|
| MOT pass rate | 77% | 81% ✓ |
| MOT failure rate | 23% | 19% ✓ |
| Faults & advisories per test | 2.0 | 1.4 ✓ |
| Dangerous-fault share | 3% | 1% ✓ |
| Average mileage | 62,906 mi | 84,970 mi |
| Sample size (vehicles) | 333,596 | 24 |
Most common faults
Fiat 500
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Coil spring corroded (5.3.1 (b) (i))
Fiat Arto
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))
- Offside Rear wheel bearing has slight play (2.6.2)
- Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))
- Nearside Rear wheel bearing has slight play (2.6.2)
Reliability FAQ
On MOT pass rate, the Fiat Arto is the more reliable of the two — 81% pass first time versus 77%. It's one signal among several; check the full breakdown below.
Full Fiat 500 report Full Fiat Arto 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.