Audi A1 - 2020
91.9 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A1, model year 2020.
Sample size: 15,346 cars, 33,597 tests and 30,881 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: 15,346 cars
The 2020 Audi A1 has an overall defect rate of 92 per 100 vehicles, which is slightly above the average of 90 per 100 for its year, reflecting a 2.4% higher incidence. Notably, it performs significantly better in categories such as Visibility, Lights & Electrics, and Body/Structure, all showing much lower defect rates compared to the average. However, the A1 does exhibit higher concerns with Brakes and Steering, where defect rates are notably above average. Mileage trends indicate that the defect rate increases with mileage, particularly in the highest bracket, where it reaches 450 defects per 100 vehicles. Overall, while the A1 excels in certain areas, it is essential for owners to monitor specific components like brakes and steering more closely.
Cars by mileage segment
Total: 15,346 cars
Categories
Brakes
▼ 21.7% worse
61.8 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▼ 100.0% worse
3.0 faults / 100 tests
Year avg: 1.5 / 100 tests
- 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
- 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
Visibility
▲ 35.5% better
9.1 faults / 100 tests
Year avg: 14.1 / 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
▲ 77.7% better
2.5 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
- Headlamp reflector or lens: slightly defective
- The aim of a headlamp is not within limits laid down in the requirements
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
Wheels & Suspension
▼ 6.7% worse
104.0 faults / 100 tests
Year avg: 97.5 / 100 tests
- Tyre tread depth not in accordance with the requirements
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 83.3% better
0.4 faults / 100 tests
Year avg: 2.4 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- A body panel or body component: likely to become detached
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
- Fuel system: leaking, or missing or ineffective filler cap
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▼ 13.3% worse
1.7 faults / 100 tests
Year avg: 1.5 / 100 tests
- Seat belt not functioning as intended or of an incorrect type
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 64.9% better
1.3 faults / 100 tests
Year avg: 3.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- 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
- 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: 7,631
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 6,141
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 4,424
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 3,199
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,301
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 739
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 738
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 679
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 670
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 567
Serious faults (Top 10)
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 739
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 679
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 563
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 525
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 127
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 118
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 100
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 89
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 75
Seat belt not functioning as intended or of an incorrect type
FAIL
Occurrences: 68