Fiat 500 vs Fiat Adria twin sports 640 sgx a: 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 Adria twin sports 640 sgx a
93%
MOT pass rate · 120 vehicles
Verdict: On MOT pass rate the Fiat 500 (77%) and Fiat Adria twin sports 640 sgx a (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Fiat 500 | Fiat Adria twin sports 640 sgx a |
|---|---|---|
| MOT pass rate | 77% | 93% ✓ |
| MOT failure rate | 23% | 7% ✓ |
| Faults & advisories per test | 2.0 | 0.6 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 62,906 mi | 16,085 mi |
| Sample size (vehicles) | 333,596 | 120 |
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 Adria twin sports 640 sgx a
- Front Oil leak, but not excessive (8.4.1 (a) (i))
- Offside Front Windscreen damaged and affecting the driver's view of the road stone chip bigger than 10mm in drivers view (3.2 (a) (ii))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
- Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
Reliability FAQ
On MOT pass rate the Fiat 500 (77%) and Fiat Adria twin sports 640 sgx a (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Fiat 500 report Full Fiat Adria twin sports 640 sgx a 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.