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Audi A4 - 2006

342.9 faults per 100 tests
Year average for all cars of 2006 is 371.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A4, model year 2006. Sample size: 14,018 cars, 30,219 tests and 103,620 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 14,018 cars

The 2006 Audi A4 has an overall defect rate of 343 defects per 100 vehicles, which is slightly better than the yearly average of 369 defects per 100. This model shows particularly strong performance in categories like visibility, lights and electrics, body structure, and equipment, all of which have fewer defects compared to average figures. However, it stands out negatively in steering defects, exhibiting a significantly higher rate than the average. Mileage-related trends indicate that as the mileage increases, the defect rate for this model also rises, but it remains lower than the average until reaching over 124,000 miles.

Cars by mileage segment

Total: 14,018 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
▲ 16.1% better
129.3 faults / 100 tests
Year avg: 154.1 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake hose ferrules: excessively corroded
Steering
▼ 92.1% worse
38.8 faults / 100 tests
Year avg: 20.2 / 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
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
  • Power steering fluid leaking or system malfunctioning
Visibility
▲ 25.3% better
20.7 faults / 100 tests
Year avg: 27.7 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
Lights & Electrics
▲ 35.7% better
71.4 faults / 100 tests
Year avg: 111.1 / 100 tests
  • 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 rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
  • Beam image obviously incorrect
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▼ 5.0% worse
330.2 faults / 100 tests
Year avg: 314.5 / 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 joint dust cover: severely deteriorated
Body/Structure
▲ 29.7% better
41.8 faults / 100 tests
Year avg: 59.5 / 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: 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
Equipment
▲ 38.1% better
7.3 faults / 100 tests
Year avg: 11.8 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • ESC MIL indicates a system malfunction
  • A seat belt:
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▼ 3.8% worse
46.4 faults / 100 tests
Year avg: 44.7 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Smoke opacity levels exceed the manufacturer’s specified limit
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 513 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: 13,026
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 9,623
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 5,388
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 4,852
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 3,900
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,570
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 3,518
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: 3,122
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 3,014
Steering rack gaiter or ball joint dust cover: damaged or deteriorated
MINOR
Occurrences: 2,919

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2,052
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 1,425
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 1,261
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 1,168
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,085
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 930
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 879
Beam image obviously incorrect
FAIL
Occurrences: 860
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 695
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 553