Skip to main content

Audi A4 - 1999

368.4 faults per 100 tests
Year average for all cars of 1999 is 349.1 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi A4, model year 1999. Sample size: 765 cars, 1,535 tests and 5,655 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 765 cars

The 1999 Audi A4 has an overall defect rate of 368 per 100 cars, which is 6.8% higher than the average for its year. Notably, it performs better than average in equipment-related defects, with a significantly lower rate of 9 compared to 18 per 100 cars. However, it faces challenges in the wheels, suspensions, and axles category, showing a higher defect rate of 331 compared to the average of 265. Mileage trends reveal that defect rates increase significantly in higher mileage brackets, particularly after 93,000 miles.

Cars by mileage segment

Total: 765 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
▲ 5.7% better
144.6 faults / 100 tests
Year avg: 153.4 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake lining or pad: worn below 1.5mm
  • Brake hose ferrules: excessively corroded
  • Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 10.8% better
23.1 faults / 100 tests
Year avg: 25.9 / 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: worn to the extent there is a serious risk of detachment
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▼ 5.3% worse
28.0 faults / 100 tests
Year avg: 26.6 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
  • Obligatory mirror or device: slightly damaged or loose
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 5.3% worse
76.9 faults / 100 tests
Year avg: 73.0 / 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
  • Headlamp reflector or lens: slightly defective
  • Lamp emitted colour, position or intensity not in accordance with the requirements
  • Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▼ 24.2% worse
331.5 faults / 100 tests
Year avg: 266.9 / 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
  • A wheel bearing: with excessive play
  • Tyre tread depth not in accordance with the requirements
  • A suspension component: excessively damaged or corroded
Body/Structure
▲ 19.0% better
62.0 faults / 100 tests
Year avg: 76.5 / 100 tests
  • 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: severely deteriorated
  • 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
▲ 53.6% better
8.9 faults / 100 tests
Year avg: 19.2 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▼ 8.8% worse
61.5 faults / 100 tests
Year avg: 56.5 / 100 tests
  • Emissions levels exceed the manufacturer’s specified limits
  • 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
  • Emissions levels exceed default limits
  • Emissions test unable to be completed

Fault rate by mileage segment

Model    Year average
0 538 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: 539
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 462
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 405
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 335
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 259
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 252
A wheel bearing: with excessive play
ADVISORY
Occurrences: 226
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 199
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 169
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 154

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 169
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 89
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 47
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 47
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 41
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 39
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 37
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 34
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 32
Emissions levels exceed default limits
FAIL
Occurrences: 28