Audi A1 - 2011
228.4 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 Audi A1, model year 2011.
Sample size: 18,504 cars, 45,714 tests and 104,400 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: 18,504 cars
The 2011 Audi A1 has a lower overall defect rate of 228 per 100 vehicles, which is 16% better than the average for its year at 271 per 100. This model shows a notable increase in defects with mileage, particularly in the higher mileage segments, but it performs significantly better in categories such as Lights & Electrics, Body/Structure, and Other, where it has lower defect rates than the average. Notably, the Audi A1 excels in Lights & Electrics with a defect rate of 34%, compared to 68% for the average vehicle. There are no standout issues for this model, indicating generally reliable performance in its key areas.
Cars by mileage segment
Total: 18,504 cars
Categories
Brakes
▲ 5.6% better
103.7 faults / 100 tests
Year avg: 109.9 / 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
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
Steering
▲ 12.7% better
13.8 faults / 100 tests
Year avg: 15.8 / 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
- Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 17.5% better
17.5 faults / 100 tests
Year avg: 21.2 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 50.4% better
34.2 faults / 100 tests
Year avg: 68.9 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: multiple light source up to a half not functioning
- Beam image obviously incorrect
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▲ 11.6% better
235.6 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
▲ 24.9% better
23.5 faults / 100 tests
Year avg: 31.3 / 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
▲ 0.0% better
7.4 faults / 100 tests
Year avg: 7.4 / 100 tests
- A seat belt:
- Audible warning:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- ESC MIL indicates a system malfunction
Other
▲ 23.7% better
21.2 faults / 100 tests
Year avg: 27.8 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed default limits
- 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
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: 12,107
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 11,430
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 11,301
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 6,856
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 3,896
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 3,102
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 2,895
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2,575
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 2,129
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 2,030
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2,575
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 2,030
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 1,799
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,486
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,219
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 806
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 764
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 669
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 667
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 638