Alfa romeo 156 - 2004
375.9 faults per 100 tests
Year average for all cars of 2004 is 384.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Alfa romeo 156, model year 2004.
Sample size: 218 cars, 444 tests and 1,669 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 218 cars
The 2004 Alfa Romeo 156 has an overall defect rate of 376 per 100 vehicles, which is slightly better than the average for cars of the same year at 382 per 100. The model shows a notable improvement in brake and steering performance, with significantly lower defect rates in these categories compared to the average. However, it struggles with visibility, body structure, and equipment defects, all of which are higher than the yearly average. Mileage data indicates that as the mileage increases, the defect rate for the Alfa Romeo rises more steeply than average, particularly in the higher mileage categories.
Cars by mileage segment
Total: 218 cars
More model years for Alfa romeo 156
Other models from Alfa romeo
Categories
Brakes
▲ 22.4% better
127.5 faults / 100 tests
Year avg: 164.2 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 29.3% better
17.6 faults / 100 tests
Year avg: 24.9 / 100 tests
Visibility
▼ 35.2% worse
39.6 faults / 100 tests
Year avg: 29.3 / 100 tests
Lights & Electrics
▼ 9.8% worse
120.7 faults / 100 tests
Year avg: 109.9 / 100 tests
- Headlamp reflector or lens: slightly defective
Wheels & Suspension
▲ 11.2% better
277.9 faults / 100 tests
Year avg: 312.9 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A spring: or spring component fractured or seriously weakened
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension component: excessively damaged or corroded
Body/Structure
▼ 31.8% worse
83.8 faults / 100 tests
Year avg: 63.6 / 100 tests
- Exhaust system has a major leak or is insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▼ 47.1% worse
20.3 faults / 100 tests
Year avg: 13.8 / 100 tests
Other
▼ 27.5% worse
64.4 faults / 100 tests
Year avg: 50.5 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 143
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 126
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 119
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 102
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 76
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 74
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 69
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 45
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 39
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 38
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 29
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 22
Beam image obviously incorrect
FAIL
Occurrences: 22
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 21
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 19
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 14
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 14
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 13
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 11
is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
FAIL
Occurrences: 11