Audi A4 MOT Check

MOT pass rates, common failures, and reliability data for the Audi A4. Check any A4 by registration number below.

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76.8%

Avg Pass Rate

-12.9%

vs Audi Avg

Year Ranges

Good

Reliability

Audi A4 — MOT Reliability Overview

The Audi A4 has an average MOT pass rate of 76.8%, which is 12.9 percentage points below the Audi brand average of 89.7%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your A4 on the road.

The most common reasons a Audi A4 fails its MOT are a suspension pin, bush or joint excessively worn, a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, a flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched. If you are preparing your A4 for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Typical mileage for the A4 is around 45,000 miles at 5 years. When evaluating a used A4, compare the odometer reading against these benchmarks. Significantly lower mileage than expected could indicate a clocked vehicle — run a free mileage check to verify.

Before buying a used Audi A4, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Audi A4 performs at MOT across different model years.

2022

Based on 32 vehicles

93.8%Excellent

Audi average: 89.7%

Dangerous Defects

0.0%

Retest Rate

3.7%

Mileage at 3yr

35k mi

2021

Based on 515 vehicles

96.1%Excellent

Audi average: 89.7%

Dangerous Defects

1.6%

Retest Rate

4.3%

Mileage at 3yr

42k mi

2020

Based on 18,291 vehicles

90.8%Excellent

Audi average: 89.7%

Dangerous Defects

2.8%

Retest Rate

10.3%

Mileage at 3yr

48k mi

Mileage at 5yr

72k mi

2019

Based on 36,401 vehicles

89.4%Excellent

Audi average: 89.7%

Dangerous Defects

3.6%

Retest Rate

11.3%

Mileage at 3yr

49k mi

Mileage at 5yr

77k mi

2018

Based on 37,879 vehicles

87.7%Excellent

Audi average: 89.7%

Dangerous Defects

3.4%

Retest Rate

13.4%

Mileage at 5yr

78k mi

2017

Based on 57,769 vehicles

85.9%Excellent

Audi average: 89.7%

Dangerous Defects

3.7%

Retest Rate

14.9%

Mileage at 5yr

89k mi

2016

Based on 57,348 vehicles

83.1%Good

Audi average: 89.7%

Dangerous Defects

4.4%

Retest Rate

17.4%

2015

Based on 43,459 vehicles

81.9%Good

Audi average: 89.7%

Dangerous Defects

5.1%

Retest Rate

18.7%

Mileage at 10yr

157k mi

2014

Based on 45,137 vehicles

80.8%Good

Audi average: 89.7%

Dangerous Defects

5.0%

Retest Rate

19.2%

Mileage at 10yr

163k mi

2013

Based on 43,067 vehicles

79.8%Good

Audi average: 89.7%

Dangerous Defects

5.2%

Retest Rate

21.5%

Mileage at 10yr

166k mi

2012

Based on 35,750 vehicles

79.0%Good

Audi average: 89.7%

Dangerous Defects

5.6%

Retest Rate

21.9%

Mileage at 10yr

184k mi

2011

Based on 36,091 vehicles

77.3%Good

Audi average: 89.7%

Dangerous Defects

5.6%

Retest Rate

22.6%

2010

Based on 34,623 vehicles

75.2%Good

Audi average: 89.7%

Dangerous Defects

5.7%

Retest Rate

23.7%

2009

Based on 34,937 vehicles

73.7%Average

Audi average: 89.7%

Dangerous Defects

6.0%

Retest Rate

25.0%

2008

Based on 42,176 vehicles

72.0%Average

Audi average: 89.7%

Dangerous Defects

6.1%

Retest Rate

25.8%

2007

Based on 42,199 vehicles

71.4%Average

Audi average: 89.7%

Dangerous Defects

6.4%

Retest Rate

25.1%

2006

Based on 36,528 vehicles

70.3%Average

Audi average: 89.7%

Dangerous Defects

6.5%

Retest Rate

26.6%

2005

Based on 21,760 vehicles

69.6%Average

Audi average: 89.7%

Dangerous Defects

6.3%

Retest Rate

25.2%

2004

Based on 18,440 vehicles

67.5%Average

Audi average: 89.7%

Dangerous Defects

6.6%

Retest Rate

26.8%

2003

Based on 10,832 vehicles

67.7%Average

Audi average: 89.7%

Dangerous Defects

6.4%

Retest Rate

26.7%

2002

Based on 5,715 vehicles

66.3%Average

Audi average: 89.7%

Dangerous Defects

6.8%

Retest Rate

27.7%

2001

Based on 2,584 vehicles

68.4%Average

Audi average: 89.7%

Dangerous Defects

5.4%

Retest Rate

24.3%

2000

Based on 2,497 vehicles

68.8%Average

Audi average: 89.7%

Dangerous Defects

4.5%

Retest Rate

22.4%

1999

Based on 2,501 vehicles

69.2%Average

Audi average: 89.7%

Dangerous Defects

2.8%

Retest Rate

23.9%

1998

Based on 75,000 vehicles

0.8%Poor

Audi average: 89.7%

Dangerous Defects

0.0%

Retest Rate

0.1%

Mileage at 3yr

26k mi

Mileage at 5yr

45k mi

Mileage at 10yr

88k mi

1997

Based on 9,089 vehicles

90.2%Excellent

Audi average: 89.7%

Dangerous Defects

4.0%

Retest Rate

25.1%

1996

Based on 8,042 vehicles

88.3%Excellent

Audi average: 89.7%

Dangerous Defects

2.3%

Retest Rate

17.8%

1995

Based on 4,341 vehicles

88.4%Excellent

Audi average: 89.7%

Dangerous Defects

5.0%

Retest Rate

30.0%

1994

Based on 997 vehicles

90.4%Excellent

Audi average: 89.7%

0

Based on 320,113 vehicles

80.6%Good

Audi average: 89.7%

Mileage at 5yr

105k mi

Top MOT Failures — Audi A4

The most common reasons a Audi A4 fails its MOT, aggregated across all year ranges.

A suspension pin, bush or joint excessively worn

3.0%

A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc

2.9%

A flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched

2.3%

Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc

2.2%

A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

2.2%

Audi A4 Common Faults & Repair Costs

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Front Offside

3.1%

Front Nearside

3.1%

Typical Mileage — Audi A4

Average mileage readings recorded at MOT tests for the 1998 model year range. Use these benchmarks to evaluate a used A4.

At 3 Years

26,000

miles

At 5 Years

45,000

miles

At 10 Years

88,000

miles

Other Audi Models

Compare MOT reliability across Audi models.

Audi A5 S Ln Blk Ed 35 Tfsi Mhev Sa

90.3% pass rate

Audi A6 Aroad Sport 55tfsi Mhev Q A

89.5% pass rate

Audi All Road Avant

82.6% pass rate

Audi Rs 4 Vorsprung Tfsi Quattro A

94.7% pass rate

Audi E-tron S Quattro

82.6% pass rate

Audi TT

69.5% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Audi A4

Audi A4 — Frequently Asked Questions

Common questions about the Audi A4 MOT and reliability.

What is the MOT pass rate for the Audi A4?

The average MOT pass rate for the Audi A4 is 76.8% compared to the Audi average of 89.7%. Pass rates vary by year — check the year-by-year breakdown on this page for details.

What are the most common MOT failures on a Audi A4?

The most common MOT failures on the Audi A4 are: A suspension pin, bush or joint excessively worn (3.0%), A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc (2.9%), A flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched (2.3%). These are the components most likely to cause an MOT failure.

Is the Audi A4 reliable?

With an average MOT pass rate of 76.8%, the Audi A4 is rated as "Good" for reliability. This is a strong result suggesting good build quality and fewer common defects.

How do I check the MOT history of a Audi A4?

Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.

What mileage should I expect on a Audi A4?

Typical mileage for the Audi A4: 35,231 miles at 3 years. Use these benchmarks when evaluating a used A4 to spot vehicles with unusually high or low mileage.

Check Your Audi A4's MOT History

Enter the registration number for the full MOT history — free and instant.