Audi A8 - 2020
60.5 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 A8, model year 2020.
Sample size: 489 cars, 1,157 tests and 700 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: 489 cars
The 2020 Audi A8 has an overall defect rate of 61 per 100 vehicles, which is significantly lower than the average of 90 per 100 for cars of the same year, representing a 33% improvement. Notably, the Audi A8 performs exceptionally well in several categories, including brakes, steering, and visibility, with defects in these areas being markedly less common compared to average vehicles. Mileage trends indicate that the A8 shows a higher defect rate within the lower mileage bracket (under 31,000 miles), but generally, its performance remains more reliable than average as mileage increases. Overall, this model stands out positively, particularly in safety-related areas like brakes and steering.
Cars by mileage segment
Total: 489 cars
Categories
Brakes
▲ 33.3% better
33.9 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake disc or drum: significantly and obviously worn
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brakes imbalance across an axle such that: the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle. Or in the case of testing on the road, the vehicle deviates excessively from a straight lin
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 42.6% better
8.1 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
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 63.4% better
4.1 faults / 100 tests
Year avg: 11.2 / 100 tests
- Headlamp ‘on’ switch does not operate in accordance with the requirements
- Switch does not operate in accordance with the requirements or the rear position lamps can be switched off when the headlamps are on
- 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
▲ 25.3% better
72.8 faults / 100 tests
Year avg: 97.5 / 100 tests
- 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
- Tyre tread depth not in accordance with the requirements
- 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
Body/Structure
▲ 91.7% better
0.2 faults / 100 tests
Year avg: 2.4 / 100 tests
- A door will not open using the relevant control or close properly
Equipment
▲ 53.3% better
0.7 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- ESC MIL indicates a system malfunction
Other
▲ 67.6% better
1.2 faults / 100 tests
Year avg: 3.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Emission control equipment fitted by the manufacturer missing, obviously modified or obviously defective
- Engine MIL inoperative or indicating a malfunction
- 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: 260
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 69
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 66
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 63
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 52
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 30
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 27
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 22
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 21
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 17
Serious faults (Top 10)
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 22
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 21
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 17
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 5
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 5
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 5
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 4
Switch does not operate in accordance with the requirements or the rear position lamps can be switched off when the headlamps are on
FAIL
Occurrences: 2
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 2
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 2