Audi A3 - 2015
127.1 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A3, model year 2015.
Sample size: 46,607 cars, 102,585 tests and 130,435 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: 46,607 cars
The 2015 Audi A3 has a significantly lower overall defect rate compared to the average car of the same year, with approximately 127 defects per 100 vehicles, which is 25% fewer than the average of 170 defects per 100. Notably, this model excels in categories such as steering and body structure, showing a remarkable 92% and 76% improvement, respectively, over the average. While defect rates increase with mileage, the A3 maintains a relatively lower trend across all mileage segments. Overall, the Audi A3 demonstrates strong performance in visibility, lights and electrics, and equipment, indicating a reliable vehicle compared to its peers from the same year.
Cars by mileage segment
Total: 46,607 cars
Categories
Brakes
▲ 17.2% better
70.1 faults / 100 tests
Year avg: 84.7 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 92.9% better
0.7 faults / 100 tests
Year avg: 9.9 / 100 tests
- 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
- 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
Visibility
▲ 26.1% better
11.9 faults / 100 tests
Year avg: 16.1 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 60.0% better
12.4 faults / 100 tests
Year avg: 31.0 / 100 tests
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- 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
- Beam image obviously incorrect
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▲ 18.9% better
144.6 faults / 100 tests
Year avg: 178.3 / 100 tests
- 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
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension component: excessively damaged or corroded
Body/Structure
▲ 78.6% better
2.5 faults / 100 tests
Year avg: 11.7 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- 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
- Exhaust system has a major leak or is insecure
Equipment
▲ 55.0% better
1.8 faults / 100 tests
Year avg: 4.0 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- ESC MIL indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 22.7% better
10.2 faults / 100 tests
Year avg: 13.2 / 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
- Emissions levels exceed default limits
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: 26,651
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 14,754
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 12,071
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 10,199
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 7,350
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 5,375
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 3,520
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 3,492
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 2,751
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 2,730
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 2,644
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2,560
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 1,430
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 1,346
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 1,296
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,244
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 745
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 618
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 613
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 584