Volvo S40 - 2004
345.3 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 Volvo S40, model year 2004.
Sample size: 1,161 cars, 2,543 tests and 8,780 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: 1,161 cars
The 2004 Volvo S40 has an overall defect rate of 345 per 100 vehicles, which is 10% lower than the average for cars of the same year. This model performs particularly well in the "Other" defect category, with a defect rate significantly lower than average. However, it struggles in the "Equipment" category, where it has a higher rate of defects compared to its peers. Mileage trends show that defect rates increase with mileage, particularly in the higher mileage brackets, but the Volvo remains competitive overall.
Cars by mileage segment
Total: 1,161 cars
More model years for Volvo S40
Other models from Volvo
Categories
Brakes
▲ 4.4% better
156.9 faults / 100 tests
Year avg: 164.2 / 100 tests
- Brake pipe damaged or excessively corroded
- Parking brake efficiency: below minimum requirement
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake hose ferrules: excessively corroded
Steering
▼ 8.8% worse
27.1 faults / 100 tests
Year avg: 24.9 / 100 tests
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- Power steering fluid leaking or system malfunctioning
Visibility
▲ 21.5% better
23.0 faults / 100 tests
Year avg: 29.3 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
Lights & Electrics
▲ 8.6% better
100.5 faults / 100 tests
Year avg: 109.9 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Lamp emitted colour, position or intensity not in accordance with the requirements
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Lamp: multiple light source up to a half not functioning
- Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 13.1% better
271.8 faults / 100 tests
Year avg: 312.9 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension joint dust cover: severely deteriorated
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension component: excessively damaged or corroded
Body/Structure
▲ 12.1% better
55.9 faults / 100 tests
Year avg: 63.6 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▼ 58.7% worse
21.9 faults / 100 tests
Year avg: 13.8 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: or flexible stalk damaged
- 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
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
Other
▲ 34.7% better
33.0 faults / 100 tests
Year avg: 50.5 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed the manufacturer’s specified limits
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed default limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 640
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 480
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 475
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 430
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 365
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 329
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 289
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 262
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 250
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 234
Serious faults (Top 10)
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 151
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 127
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 114
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 110
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 107
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 106
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 89
Lamp emitted colour, position or intensity not in accordance with the requirements
FAIL
Occurrences: 79
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 75
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 75