Audi A4 - 2013
180.1 faults per 100 tests
Year average for all cars of 2013 is 221.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A4, model year 2013.
Sample size: 17,716 cars, 39,875 tests and 71,815 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: 17,716 cars
The 2013 Audi A4 has an overall defect rate of 180 per 100 vehicles, which is significantly lower than the average of 219 per 100, representing a 17.9% improvement. This model shows increasing defect rates with mileage, particularly in the 124,000+ miles category where it reaches 313 defects per 100 vehicles. Notably, the Audi A4 performs exceptionally well in the categories of brakes and steering, with defect rates far below the average at 67 and 1 respectively. Additionally, it shows lower rates of issues in lights and electrics, equipment, and other categories compared to its peers. Overall, this model stands out positively in terms of reliability against the yearly average.
Cars by mileage segment
Total: 17,716 cars
Categories
Brakes
▲ 31.8% better
67.1 faults / 100 tests
Year avg: 98.4 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 89.9% better
1.3 faults / 100 tests
Year avg: 12.9 / 100 tests
- A steering ball joint: with excessive wear or free play
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- 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
▲ 8.3% better
16.5 faults / 100 tests
Year avg: 18.0 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- 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: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 44.7% better
27.7 faults / 100 tests
Year avg: 50.1 / 100 tests
- Beam image obviously incorrect
- The aim of a headlamp is not within limits laid down in the requirements
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp emitted colour, position or intensity not in accordance with the requirements
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▼ 0.0% worse
219.7 faults / 100 tests
Year avg: 219.6 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 14.5% better
17.1 faults / 100 tests
Year avg: 20.0 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- 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
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 46.2% better
2.8 faults / 100 tests
Year avg: 5.2 / 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
- ESC MIL indicates a system malfunction
Other
▲ 59.2% better
8.0 faults / 100 tests
Year avg: 19.6 / 100 tests
- 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
- Any part of the noise suppression system: insecure
- 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: 13,534
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 11,753
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 4,512
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 4,095
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 3,961
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,287
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,714
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,535
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 1,526
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 1,470
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,714
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,247
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,215
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 983
Beam image obviously incorrect
FAIL
Occurrences: 672
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 668
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 633
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 537
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 502
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 489