Audi A6 - 2017
92.3 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 A6, model year 2017.
Sample size: 10,596 cars, 23,390 tests and 21,595 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: 10,596 cars
The 2017 Audi A6 has a significantly lower overall defect rate, with 92 defects per 100 vehicles compared to the average of 134 defects per 100 vehicles, marking a reduction of 31%. Notably, the model performs exceptionally well in several categories such as brakes, steering, and lights, showing improvements of 44%, 87%, and 77% respectively compared to the yearly averages. However, as the mileage increases, the defect rate in all mileage segments for the A6 remains higher than average, particularly peaking at 241 defects per 100 vehicles in the highest mileage category. Overall, this model stands out for its reliability in critical safety components but shows areas of concern as it ages.
Cars by mileage segment
Total: 10,596 cars
Categories
Brakes
▲ 44.8% better
40.0 faults / 100 tests
Year avg: 72.5 / 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
▲ 87.5% better
0.7 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: damaged or deteriorated
- 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.
Visibility
▲ 25.5% better
10.8 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
- 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
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 77.9% better
4.5 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
- 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
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▲ 19.9% better
114.6 faults / 100 tests
Year avg: 143.1 / 100 tests
- 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
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▼ 1.4% worse
7.1 faults / 100 tests
Year avg: 7.0 / 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
- Fuel system: leaking, or missing or ineffective filler cap
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
Equipment
▲ 40.7% better
1.6 faults / 100 tests
Year avg: 2.7 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- ESC MIL indicates a system malfunction
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 40.0% better
5.4 faults / 100 tests
Year avg: 9.0 / 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
- 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: 6,344
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 2,387
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,022
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,313
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,029
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 775
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 698
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 620
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 611
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 539
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 539
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 504
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 330
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 324
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 225
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 168
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 154
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 102
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 101
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 80