Audi A6 - 2021
65.8 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A6, model year 2021.
Sample size: 5,185 cars, 11,668 tests and 7,673 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: 5,185 cars
The 2021 Audi A6 demonstrates a lower overall defect rate compared to the yearly average, with 66 defects per 100 vehicles, which is 16% better than the average of 79 defects per 100. Notably, the model performs exceptionally well in categories like brakes and steering, showing a significant reduction in defects, with brake issues at 23% compared to the average of 38%. Additionally, the A6 has fewer problems in visibility, lights and electrics, and body structure than the average car. Mileage trends indicate that defects increase with higher mileage, though the A6 maintains a relatively low defect rate even in the higher mileage brackets.
Cars by mileage segment
Total: 5,185 cars
Categories
Brakes
▲ 42.3% better
23.1 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn down to wear indicator
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
- A steering ball joint: with excessive wear or free play
Visibility
▲ 24.1% better
11.0 faults / 100 tests
Year avg: 14.5 / 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
▲ 74.1% better
2.9 faults / 100 tests
Year avg: 11.2 / 100 tests
- Reflector defective or damaged: by up to 50% of the reflecting surface
- 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)
- 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
▼ 3.8% worse
90.6 faults / 100 tests
Year avg: 87.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A spring: or spring component fractured or seriously weakened
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 76.2% better
0.5 faults / 100 tests
Year avg: 2.1 / 100 tests
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A driver’s seat: fore and aft adjustment mechanism not working as intended
- Fuel pipe or hose: damaged
- A transmission shaft constant velocity joint boot: severely deteriorated
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▲ 53.3% better
0.7 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 0.0% better
2.7 faults / 100 tests
Year avg: 2.7 / 100 tests
- 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
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
- Smoke opacity levels exceed the manufacturer’s specified limit
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: 3,082
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 844
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 521
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 434
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 387
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 319
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 292
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 234
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 196
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 190
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 319
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 234
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 122
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 55
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 46
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 46
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 38
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 36
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 24
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 23