Audi E-TRON - 2021
58.6 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 E-TRON, model year 2021.
Sample size: 8,396 cars, 19,424 tests and 11,388 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: 8,396 cars
The 2021 Audi E-Tron has an overall defect rate of 59 defects per 100 vehicles, which is significantly lower than the average of 79 defects for cars of the same year, representing a 25% improvement. Notably, the E-Tron excels in several categories, with particularly low failure rates in brakes, steering, and body structure, where it performs better than average by margins of 78%, 75%, and 86% respectively. There is a consistent defect trend across different mileage segments, but the model maintains a relatively stable performance, with a slight increase in defects as mileage increases. Overall, the E-Tron stands out for its reliability compared to its peers, especially in critical areas like safety features.
Cars by mileage segment
Total: 8,396 cars
Categories
Brakes
▲ 79.0% better
8.4 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
- Excessive fluctuation in brake effort through each wheel revolution
- Brake lining or pad: worn below 1.5mm
Steering
▲ 71.4% better
0.2 faults / 100 tests
Year avg: 0.7 / 100 tests
- A steering ball joint: with excessive wear or free play
- Power steering fluid leaking or system malfunctioning
- Excessive roughness in operation of steering
- 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
Visibility
▲ 38.6% better
8.9 faults / 100 tests
Year avg: 14.5 / 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
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 63.4% better
4.1 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Reflector defective or damaged: by up to 50% of the reflecting surface
- 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
▼ 7.9% worse
94.2 faults / 100 tests
Year avg: 87.3 / 100 tests
- 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 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
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 85.7% better
0.3 faults / 100 tests
Year avg: 2.1 / 100 tests
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
- A door will not open using the relevant control or close properly
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 26.7% better
1.1 faults / 100 tests
Year avg: 1.5 / 100 tests
- 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
- A seat belt:
Other
▲ 96.3% better
0.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- 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: 5,914
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 860
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 695
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 581
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 564
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 524
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 384
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 353
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 207
Wiper blade: defective
MINOR
Occurrences: 205
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 564
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 524
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 353
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 61
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 33
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 32
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 22
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 20
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 20
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 20