Audi A4 - 2002
417.6 faults per 100 tests
Year average for all cars of 2002 is 375.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A4, model year 2002.
Sample size: 2,067 cars, 4,210 tests and 17,581 recorded faults.
0%
More faults compared to the average car of same model year
More faults compared to the average car of same model year
Quick summary
Total: 2,067 cars
The 2002 Audi A4 has an overall defect rate of 418 defects per 100 vehicles, which is 12% higher than the average for cars of the same year. Notably, while the Audi A4 performs better than average in categories such as Steering, Body/Structure, and Equipment, it significantly lags in the Wheels, Suspensions & Axles category, showing a defect rate of 406 compared to the average of 292. Mileage trends indicate that defect rates increase with higher mileage, particularly in the 124,000+ miles bracket, where the A4 exhibits a higher defect rate than its peers. Overall, the model shows both strengths and weaknesses compared to the average vehicle from the same year.
Cars by mileage segment
Total: 2,067 cars
Categories
Brakes
▼ 1.1% worse
168.9 faults / 100 tests
Year avg: 167.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Significant brake effort recorded with no brake applied indicating a binding brake
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Brake lining or pad: worn below 1.5mm
Steering
▲ 28.5% better
18.1 faults / 100 tests
Year avg: 25.3 / 100 tests
- A steering ball joint: with excessive wear or free play
- 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
- Power steering fluid leaking or system malfunctioning
Visibility
▼ 17.9% worse
34.9 faults / 100 tests
Year avg: 29.6 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Obligatory mirror or device: slightly damaged or loose
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 8.6% worse
104.3 faults / 100 tests
Year avg: 96.0 / 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
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Headlamp reflector or lens: slightly defective
- Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▼ 37.5% worse
405.9 faults / 100 tests
Year avg: 295.2 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension component: excessively damaged or corroded
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 47.8% better
36.0 faults / 100 tests
Year avg: 68.9 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or 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
Equipment
▲ 33.6% better
9.9 faults / 100 tests
Year avg: 14.9 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- ESC MIL indicates a system malfunction
- A seat belt:
Other
▼ 6.7% worse
57.2 faults / 100 tests
Year avg: 53.6 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Smoke opacity levels exceed the manufacturer’s specified limit
- Exhaust emits excessive smoke or vapour of any colour to an extent likely to obscure the vision of 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: 2,745
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,441
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 930
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 913
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 912
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 673
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: 588
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 586
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 582
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 515
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 586
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 166
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 141
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 125
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 113
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 111
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 106
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 99
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 98
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 98