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Audi A4 - 2001

367.6 faults per 100 tests
Year average for all cars of 2001 is 372.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A4, model year 2001. Sample size: 960 cars, 1,899 tests and 6,981 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 960 cars

The 2001 Audi A4 has a slightly lower overall defect rate compared to the average car from the same year, with 368 defects per 100 vehicles, which is 0.4% below the average. Notably, this model excels in the body and structure category, showing 40% of defects compared to 70% on average, and also performs better in equipment-related issues. As the mileage increases, defects appear to rise significantly, particularly in the 124,000+ miles category where the A4 shows a higher defect rate than average. Tyre wear is not the primary concern for this model, but it still reflects some common issues associated with age.

Cars by mileage segment

Total: 960 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
▲ 4.7% better
159.2 faults / 100 tests
Year avg: 167.0 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Brake hose ferrules: excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 11.6% better
22.1 faults / 100 tests
Year avg: 25.0 / 100 tests
  • 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.
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Power steering fluid leaking or system malfunctioning
Visibility
▲ 8.5% better
26.9 faults / 100 tests
Year avg: 29.4 / 100 tests
  • 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
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 7.8% better
81.2 faults / 100 tests
Year avg: 88.1 / 100 tests
  • Lamp emitted colour, position or intensity not in accordance with the requirements
  • The aim of a headlamp is not within limits laid down in the requirements
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Headlamp reflector or lens: slightly defective
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▼ 16.7% worse
341.3 faults / 100 tests
Year avg: 292.4 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • A suspension component: excessively damaged or corroded
  • A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 43.9% better
40.3 faults / 100 tests
Year avg: 71.9 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • Exhaust system has a major leak or is insecure
  • 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
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 45.3% better
8.8 faults / 100 tests
Year avg: 16.1 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • ESC MIL indicates a system malfunction
  • Seat belt not functioning as intended or of an incorrect type
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • A seat belt:
Other
▲ 0.5% better
55.3 faults / 100 tests
Year avg: 55.6 / 100 tests
  • Smoke opacity levels exceed the manufacturer’s specified limit
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • 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
0 537 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)

A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 883
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 526
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 410
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 404
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 374
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 304
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 268
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 234
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 218
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 187

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 234
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 77
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 61
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 58
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 51
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 51
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 46
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 46
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 43
Warning device shows system malfunction
FAIL
Occurrences: 41