Audi TT - 2015
109.9 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi TT, model year 2015.
Sample size: 10,379 cars, 24,312 tests and 26,723 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: 10,379 cars
The 2015 Audi TT shows a significantly lower overall defect rate of 110 defects per 100 vehicles, compared to the average of 170 defects per 100 vehicles from the same year, which represents a 36% improvement. When assessing mileage-related trends, defects increase steadily with mileage, peaking at 279 defects per 100 vehicles for those over 124,000 miles. The model excels particularly in categories such as brakes, steering, and visibility, with defects in these areas being considerably lower than the average. Additionally, the Audi TT shows outstanding performance in body structure and equipment defects, indicating fewer issues compared to its peers.
Cars by mileage segment
Total: 10,379 cars
Categories
Brakes
▲ 21.8% better
66.2 faults / 100 tests
Year avg: 84.7 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake hose ferrules: excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 99.0% better
0.1 faults / 100 tests
Year avg: 9.9 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- Track rod or drag link ends seriously misaligned
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- EPS MIL indicating a system malfunction
Visibility
▲ 46.0% better
8.7 faults / 100 tests
Year avg: 16.1 / 100 tests
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 64.8% better
10.9 faults / 100 tests
Year avg: 31.0 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- The aim of a headlamp is not within limits laid down in the requirements
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 29.2% better
126.3 faults / 100 tests
Year avg: 178.3 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A shock absorber damaged … or showing signs of severe leakage
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 86.3% better
1.6 faults / 100 tests
Year avg: 11.7 / 100 tests
- A transmission shaft flexible coupling: excessively deteriorated
- A transmission shaft constant velocity joint boot: severely deteriorated
- Fuel system: leaking, or missing or ineffective filler cap
- Exhaust system has a major leak or is insecure
- Fuel system: leaking, or missing or ineffective filler cap
Equipment
▲ 77.5% better
0.9 faults / 100 tests
Year avg: 4.0 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- ESC MIL indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 62.1% better
5.0 faults / 100 tests
Year avg: 13.2 / 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
- Any part of the noise suppression system: insecure
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
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: 6,743
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 4,010
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,088
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,078
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 1,297
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 1,220
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 706
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 689
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 578
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 528
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 706
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 501
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: 391
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 340
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 249
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 233
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 137
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 129
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 92
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 65