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Audi A4 - 2015

153.9 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 A4, model year 2015. Sample size: 17,884 cars, 40,529 tests and 62,364 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 17,884 cars

The 2015 Audi A4 has an overall defect rate of 154 defects per 100 vehicles, which is notably lower than the yearly average of 170 defects per 100 vehicles, representing a 10% improvement. Mileage trends indicate that the defect rate increases with higher mileage, particularly in the 124,000+ miles category. The model performs particularly well in areas such as brakes and steering, with significantly fewer defects compared to the average for its year. However, it has a higher incidence of issues related to the body structure, which is a notable downside compared to its peers.

Cars by mileage segment

Total: 17,884 cars

More model years for Audi A4

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Audi

Audi A1 Audi A2 Audi A3 Audi A4 Audi A5 Audi A6 Audi A7 Audi A8 Audi ALLROAD Audi E-TRON Audi Q2 Audi Q3 Audi Q4 Audi Q5 Audi Q7 Audi Q8 Audi R8 Audi RS4 Audi S3 Audi S4 Audi TT

Categories

Brakes
▲ 22.9% better
65.3 faults / 100 tests
Year avg: 84.7 / 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
▲ 92.9% better
0.7 faults / 100 tests
Year avg: 9.9 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 14.9% better
13.7 faults / 100 tests
Year avg: 16.1 / 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
▲ 46.5% better
16.6 faults / 100 tests
Year avg: 31.0 / 100 tests
  • Beam image obviously incorrect
  • 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
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▼ 6.1% worse
189.1 faults / 100 tests
Year avg: 178.3 / 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
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▼ 14.5% worse
13.4 faults / 100 tests
Year avg: 11.7 / 100 tests
  • 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
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • Exhaust system has a major leak or is insecure
Equipment
▲ 62.5% better
1.5 faults / 100 tests
Year avg: 4.0 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Seat belt buckle missing, damaged or not functioning as intended
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 43.9% better
7.4 faults / 100 tests
Year avg: 13.2 / 100 tests
  • Engine MIL inoperative or indicating a malfunction
  • Any part of the noise suppression system: insecure
  • 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

Fault rate by mileage segment

Model    Year average
0 342 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 12,770
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 9,209
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 4,734
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 4,174
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 3,419
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,953
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,786
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,378
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,241
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 1,230

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,378
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,241
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,217
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 1,046
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 760
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 643
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 621
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 613
Beam image obviously incorrect
FAIL
Occurrences: 454
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 434