Audi S4 - 2010
178.0 faults per 100 tests
Year average for all cars of 2010 is 296.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi S4, model year 2010.
Sample size: 215 cars, 449 tests and 799 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: 215 cars
The 2010 Audi S4 has an overall defect rate of 178 defects per 100 vehicles, significantly lower than the yearly average of 294 defects per 100 vehicles, marking a 40% improvement. Specific mileage-related trends indicate that the defect rate increases with mileage, peaking at 425 defects per 100 vehicles for those over 124,000 miles. Notably, the S4 excels in categories such as brakes, steering, and visibility, where it shows a considerable reduction in defects compared to the average. Overall, the Audi S4 presents as a reliable choice, particularly in terms of safety-related components.
Cars by mileage segment
Total: 215 cars
Categories
Brakes
▲ 50.7% better
56.6 faults / 100 tests
Year avg: 114.9 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake performance unable to be tested
Steering
▲ 71.0% better
4.9 faults / 100 tests
Year avg: 16.9 / 100 tests
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- 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
▲ 46.4% better
12.0 faults / 100 tests
Year avg: 22.4 / 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: and affecting the driver’s view of the road or of an obligatory external mirror
Lights & Electrics
▲ 62.6% better
29.0 faults / 100 tests
Year avg: 77.6 / 100 tests
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- 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
- Headlamp levelling device inoperative
Wheels & Suspension
▲ 26.8% better
208.9 faults / 100 tests
Year avg: 285.3 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension component: excessively damaged or corroded
- A spring: or spring component fractured or seriously weakened
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 64.5% better
12.9 faults / 100 tests
Year avg: 36.3 / 100 tests
- Exhaust system has a major leak or is insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- 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
- Fuel system: leaking, or missing or ineffective filler cap
Equipment
▲ 77.8% better
1.8 faults / 100 tests
Year avg: 8.1 / 100 tests
- Seat belt buckle missing, damaged or not functioning as intended
- An airbag obviously inoperative
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 7.7% better
29.8 faults / 100 tests
Year avg: 32.3 / 100 tests
- Emissions levels exceed default limits
- Emissions levels exceed the manufacturer’s specified limits
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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)
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 166
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 108
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 59
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 40
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 37
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 31
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 30
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 23
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 21
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 20
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 15
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 13
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 12
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 10
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 9
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 7
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 7
Emissions levels exceed default limits
FAIL
Occurrences: 7
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 6
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 6