Audi A4 - 2019
96.5 faults per 100 tests
Year average for all cars of 2019 is 108.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A4, model year 2019.
Sample size: 14,865 cars, 33,814 tests and 32,632 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: 14,865 cars
The 2019 Audi A4 has an overall defect rate of 97 defects per 100 vehicles, which is 9% better than the average car of the same year, reflecting a positive performance. Notably, the model excels in categories such as steering, visibility, and lights and electrics, with defect rates significantly lower than the average. In particular, steering issues are remarkably rare, occurring in just 0.05% of vehicles, compared to 2.59% for the average. However, mileage-related trends indicate that defect rates tend to increase with distance driven, particularly in the higher mileage brackets. Overall, the Audi A4 demonstrates strong reliability, particularly in critical safety aspects.
Cars by mileage segment
Total: 14,865 cars
Categories
Brakes
▲ 13.8% better
53.8 faults / 100 tests
Year avg: 62.4 / 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
▲ 96.4% better
0.1 faults / 100 tests
Year avg: 2.8 / 100 tests
- Excessive roughness in operation of steering
- 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.
- A steering ball joint: with excessive wear or free play
- Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 34.1% better
9.1 faults / 100 tests
Year avg: 13.8 / 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
▲ 75.8% better
3.6 faults / 100 tests
Year avg: 14.9 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Stop lamp(s): 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
- Lamp: multiple light source up to a half not functioning
- Reflector defective or damaged: by up to 50% of the reflecting surface
Wheels & Suspension
▼ 9.2% worse
123.3 faults / 100 tests
Year avg: 112.9 / 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 spring: or spring component fractured or seriously weakened
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 77.1% better
0.8 faults / 100 tests
Year avg: 3.5 / 100 tests
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A transmission: joint, belt or chain excessively worn
- A door hinge, catch or pillar: excessively deteriorated
- A transmission shaft constant velocity joint boot: severely deteriorated
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▲ 55.6% better
0.8 faults / 100 tests
Year avg: 1.8 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Seat belt not functioning as intended or of an incorrect type
- Seat belt buckle missing, damaged or not functioning as intended
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
Other
▲ 70.6% better
1.5 faults / 100 tests
Year avg: 5.1 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- 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
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: 9,832
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 4,604
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 2,403
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,354
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 1,957
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 1,395
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,210
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,003
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,002
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 793
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,003
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,002
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 793
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 708
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 365
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 172
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 117
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 104
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 101
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 90