Audi A6 - 2015
114.4 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A6, model year 2015.
Sample size: 12,832 cars, 28,184 tests and 32,230 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: 12,832 cars
The 2015 Audi A6 shows a significantly lower overall defect rate compared to the average car of the same year, with 114 defects per 100 vehicles against a yearly average of 170. The model excels particularly in brake and steering issues, showing defects at 43% and just under 1% respectively, which is much better than the averages of 84% and 9%. Mileage-related trends indicate that defect rates increase with mileage, particularly in the higher mileage ranges of over 124,000 miles, where the A6 records 260 defects per 100 vehicles. Overall, this model demonstrates strong reliability in essential categories compared to its peers.
Cars by mileage segment
Total: 12,832 cars
Categories
Brakes
▲ 49.6% better
42.7 faults / 100 tests
Year avg: 84.7 / 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
▲ 91.9% better
0.8 faults / 100 tests
Year avg: 9.9 / 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: damaged or deteriorated
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- EPS MIL indicating a system malfunction
Visibility
▲ 26.7% better
11.8 faults / 100 tests
Year avg: 16.1 / 100 tests
- Wiper blade: defective
- Obligatory mirror or device: slightly damaged or loose
- 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
▲ 79.4% better
6.4 faults / 100 tests
Year avg: 31.0 / 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
- A direction indicator: lamp with a multiple light source up to 1/2 not functioning
- 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
▲ 18.8% better
144.8 faults / 100 tests
Year avg: 178.3 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A shock absorber damaged … or showing signs of severe leakage
- Tyre tread depth not in accordance with the requirements
- 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
▲ 0.0% better
11.7 faults / 100 tests
Year avg: 11.7 / 100 tests
- 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
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- A transmission: joint, belt or chain excessively worn
Equipment
▲ 37.5% better
2.5 faults / 100 tests
Year avg: 4.0 / 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
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 39.4% better
8.0 faults / 100 tests
Year avg: 13.2 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- 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
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: 8,203
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 4,796
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,153
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,872
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,464
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,042
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 932
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 867
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 825
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 679
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 825
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 675
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 670
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 574
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 328
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 275
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 250
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 213
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 179
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 135