MOT reliability
Fiat Onyx
1 vehicles · 12 completed MOT tests analysed
50%
MOT pass rate
Based on 1 Fiat Onyx vehicles and 12 completed MOT tests, the Fiat Onyx has an overall 50% pass rate, with an average recorded mileage of 3,123 miles.
1
Vehicles
12
MOT tests
23
Avg miles / year
5.2
Faults per test
0%
Dangerous-fault share
Fiat Onyx problem areas
Where faults occur most across all Fiat Onyx MOT tests:
-
Other98%
-
Steering8%
-
Brakes6%
-
Emissions & nuisance3%
-
Body & structure3%
-
Seatbelts & equipment2%
Fiat Onyx pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 12 | 2 | 50% |
| 13 | 1 | 100% |
| 14 | 1 | 0% |
| 15 | 2 | 50% |
| 16 | 2 | 50% |
| 17 | 3 | 33% |
Fuel types: Petrol (1)
Most common Fiat Onyx MOT faults
These are the faults and advisories recorded most often across Fiat Onyx MOT tests:
- Nearside Front wheel bearing has slight play (2.5.A.3c) (3 times)
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) (3 times)
- Nearside Outer Front constant velocity joint gaiter deteriorated (2.5.C.1a) (2 times)
- Nearside Rear position lamp(s) slightly affected by the operation of another lamp (1.1.A.3f) (2 times)
- Offside Rear position lamp(s) slightly affected by the operation of another lamp (1.1.A.3f) (2 times)
- Oil leak (2 times)
- Plastic body + SILLS fitted (2 times)
- Nearside Front Headlamp aim too high (1.8) (2 times)
- Offside Front Headlamp aim too high (1.8) (2 times)
- Offside Rear wheel bearing has slight play (2.6.2) (2 times)
- Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) (2 times)
- front wiper is perished (2 times)
- front tyres has advance perishing (2 times)
- hand brake lower cover has broken off (2 times)
- All coil springs have rubber tube wrapped around them (2 times)
Fiat Onyx pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1999 | 1 | 12 | 50% | 3,123 |
Fiat Onyx reliability FAQ
Across 1 Fiat Onyx vehicles in our MOT data,
50% pass the MOT (a 50% failure rate), with about
5.2 faults or advisories recorded per test.
The most frequently recorded Fiat Onyx MOT issues are:
Nearside Front wheel bearing has slight play (2.5.A.3c); Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3); Nearside Outer Front constant velocity joint gaiter deteriorated (2.5.C.1a).
The typical Fiat Onyx in our data has covered around
3,123 miles.
Compare the Fiat Onyx
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