Audi TT - 2001
401.1 faults per 100 tests
Year average for all cars of 2001 is 372.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi TT, model year 2001.
Sample size: 3,010 cars, 6,420 tests and 25,748 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: 3,010 cars
The 2001 Audi TT has an overall defect rate of 401 defects per 100 vehicles, which is 8.7% higher than the average for cars of the same year, at 369 defects per 100. Notably, the Audi TT performs better than average in categories such as steering, visibility, and equipment, with defects in these areas being significantly lower. However, it exhibits a higher rate of issues in the 'Other' category, with 68 defects per 100 vehicles compared to the average of 55. The model shows a trend of increasing defects with mileage, especially in the higher mileage brackets, but overall, it retains some strengths in key areas.
Cars by mileage segment
Total: 3,010 cars
Categories
Brakes
▼ 7.1% worse
178.9 faults / 100 tests
Year avg: 167.0 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake hose ferrules: excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
Steering
▲ 22.8% better
19.3 faults / 100 tests
Year avg: 25.0 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- 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.
- Power steering fluid leaking or system malfunctioning
Visibility
▲ 23.5% better
22.5 faults / 100 tests
Year avg: 29.4 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- 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
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▼ 19.6% worse
105.4 faults / 100 tests
Year avg: 88.1 / 100 tests
- Headlamp reflector or lens: slightly defective
- 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
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Beam image obviously incorrect
Wheels & Suspension
▼ 16.4% worse
340.3 faults / 100 tests
Year avg: 292.4 / 100 tests
- A suspension component: excessively damaged or corroded
- A spring: or spring component fractured or seriously weakened
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 16.3% better
60.2 faults / 100 tests
Year avg: 71.9 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- 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
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 53.4% better
7.5 faults / 100 tests
Year avg: 16.1 / 100 tests
- ESC MIL indicates a system malfunction
- 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
- 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
- ESC MIL indicates a system malfunction
Other
▼ 22.1% worse
67.9 faults / 100 tests
Year avg: 55.6 / 100 tests
- Emissions levels exceed default limits
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed the manufacturer’s specified limits
- Engine MIL inoperative or indicating a malfunction
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: 2,668
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 2,154
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 2,054
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,692
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,453
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 1,064
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 965
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 791
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 709
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 545
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 506
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 343
Emissions levels exceed default limits
FAIL
Occurrences: 329
Beam image obviously incorrect
FAIL
Occurrences: 263
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 238
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 237
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 233
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 233
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 208
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 198