Audi A1 - 2018
125.4 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A1, model year 2018.
Sample size: 21,724 cars, 51,070 tests and 64,022 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: 21,724 cars
The 2018 Audi A1 shows a slightly higher overall defect rate of 125 per 100 vehicles compared to the yearly average of 120 per 100, reflecting a 4.4% increase. Notably, this model has higher defect rates in the "Wheels, Suspensions & Axles" category, with 156 defects per 100 vehicles, which is significantly worse than the average. However, it excels in several other areas, particularly in "Steering," "Visibility," and "Body/Structure," where it has considerably lower defect rates than the average car. Mileage trends indicate that defect rates tend to rise with mileage, especially in the higher mileage brackets. Overall, while the Audi A1 faces challenges in specific categories, it performs better in others, making it a mixed performer in its class.
Cars by mileage segment
Total: 21,724 cars
Categories
Brakes
▼ 0.1% worse
68.9 faults / 100 tests
Year avg: 68.8 / 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
▲ 58.0% better
2.1 faults / 100 tests
Year avg: 5.0 / 100 tests
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
Visibility
▲ 38.1% better
8.6 faults / 100 tests
Year avg: 13.9 / 100 tests
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- 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
▲ 51.1% better
8.6 faults / 100 tests
Year avg: 17.6 / 100 tests
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- 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
- A reversing lamp inoperative
- An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▼ 22.7% worse
155.5 faults / 100 tests
Year avg: 126.7 / 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
▲ 62.7% better
1.9 faults / 100 tests
Year avg: 5.1 / 100 tests
- 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: severely deteriorated
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- Fuel system: leaking, or missing or ineffective filler cap
Equipment
▲ 31.8% better
1.5 faults / 100 tests
Year avg: 2.2 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- Seat belt not functioning as intended or of an incorrect type
Other
▲ 48.6% better
3.6 faults / 100 tests
Year avg: 7.0 / 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: 12,656
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 10,207
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 7,903
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 6,686
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 4,742
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2,105
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 2,083
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 1,625
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,314
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,219
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2,105
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,314
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,219
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 829
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 778
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 744
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 325
A suspension pin, bush, joint or bearing: likely to become detached
FAIL
Occurrences: 287
Emissions levels exceed default limits
FAIL
Occurrences: 247
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 238