Volvo C30 - 2011
256.7 faults per 100 tests
Year average for all cars of 2011 is 274.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Volvo C30, model year 2011.
Sample size: 3,409 cars, 8,234 tests and 21,136 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: 3,409 cars
The 2011 Volvo C30 has an overall defect rate of 256.7 per 100 vehicles, which is 5.2% lower than the average car of the same year. While tyre wear is a common issue, this model stands out positively in categories like steering and equipment, experiencing significantly lower defect rates than the average. However, it faces challenges in lights and electrics, where its defect rate is notably higher. Additionally, as mileage increases, particularly in the highest mileage bracket, the C30 shows a trend of increasing defects, which is consistent with typical vehicle aging patterns.
Cars by mileage segment
Total: 3,409 cars
Categories
Brakes
▲ 18.2% better
89.9 faults / 100 tests
Year avg: 109.9 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake hose ferrules: excessively corroded
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 58.2% better
6.6 faults / 100 tests
Year avg: 15.8 / 100 tests
- A steering ball joint: with excessive wear or free play
- Power steering pipe, hose or wiring: excessively damaged or corroded
- Power steering fluid leaking or system malfunctioning
- 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
Visibility
▲ 11.3% better
18.8 faults / 100 tests
Year avg: 21.2 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Obligatory mirror or device: slightly damaged or loose
Lights & Electrics
▼ 37.3% worse
94.6 faults / 100 tests
Year avg: 68.9 / 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: missing, inoperative or in the case of a multiple light source more than a half not functioning
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
- 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
Wheels & Suspension
▲ 6.8% better
248.2 faults / 100 tests
Year avg: 266.4 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A spring: or spring component fractured or seriously weakened
- 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 pin, bush, joint or bearing: excessively worn
Body/Structure
▼ 14.1% worse
35.7 faults / 100 tests
Year avg: 31.3 / 100 tests
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- 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: severely deteriorated
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 56.8% better
3.2 faults / 100 tests
Year avg: 7.4 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- Audible warning:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- ESC MIL indicates a system malfunction
Other
▲ 41.0% better
16.4 faults / 100 tests
Year avg: 27.8 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Smoke opacity levels exceed the manufacturer’s specified limit
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Any part of the noise suppression system: insecure
- 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)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 3,131
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 2,191
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,209
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 1,130
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,000
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 778
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 689
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 582
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 510
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 494
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 582
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 494
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 390
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 330
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 229
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 225
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 207
Lamp emitted colour, position or intensity not in accordance with the requirements
FAIL
Occurrences: 182
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 151
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 136