Audi A1 - 2017
136.2 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A1, model year 2017.
Sample size: 25,224 cars, 57,346 tests and 78,121 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: 25,224 cars
The 2017 Audi A1 has an overall defect rate of 136 per 100 vehicles, slightly above the average of 134 per 100. Notably, the A1 shows a higher defect rate as mileage increases, particularly in the highest mileage category, where it reaches 287 per 100 compared to 316 for the average car. However, the model excels in several categories, including steering and visibility, with defect rates significantly lower than the average, indicating better reliability in these areas. Overall, while the Audi A1 has a few more defects than the average vehicle of its year, its performance in crucial categories sets it apart positively.
Cars by mileage segment
Total: 25,224 cars
Categories
Brakes
▼ 8.6% worse
78.7 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- 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
Steering
▲ 89.3% better
0.6 faults / 100 tests
Year avg: 5.6 / 100 tests
- 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.
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 35.9% better
9.3 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 51.5% better
9.9 faults / 100 tests
Year avg: 20.4 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- Lamp: multiple light source up to a half not functioning
- A reversing lamp inoperative
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▼ 14.4% worse
163.7 faults / 100 tests
Year avg: 143.1 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 52.9% better
3.3 faults / 100 tests
Year avg: 7.0 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- 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: missing, split, insecure or no longer prevents the ingress of dirt
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▲ 25.9% better
2.0 faults / 100 tests
Year avg: 2.7 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
Other
▲ 45.6% better
4.9 faults / 100 tests
Year avg: 9.0 / 100 tests
- Emissions levels exceed default limits
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
- 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
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: 14,882
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 10,461
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 9,911
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 8,593
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 5,499
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 3,218
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 2,302
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 1,933
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,525
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,515
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 3,218
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,525
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,515
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 999
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 895
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 767
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 558
A suspension pin, bush, joint or bearing: likely to become detached
FAIL
Occurrences: 410
Emissions levels exceed default limits
FAIL
Occurrences: 386
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 359