Audi A6 MOT Check

MOT pass rates, common failures, and reliability data for the Audi A6. Check any A6 by registration number below.

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82.0%

Avg Pass Rate

-7.3%

vs Audi Avg

Year Ranges

Good

Reliability

Audi A6 — MOT Reliability Overview

The Audi A6 has an average MOT pass rate of 82.0%, which is 7.3 percentage points below the Audi brand average of 89.3%. This is a strong result, indicating that the A6 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Audi A6 fails its MOT are the aim of a headlamp is not within limits laid down in the requirements, a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, a suspension pin, bush or joint excessively worn. If you are preparing your A6 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.

Before buying a used Audi A6, 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 A6 performs at MOT across different model years.

2021

Based on 2,015 vehicles

93.1%Excellent

Audi average: 89.3%

Dangerous Defects

2.5%

Retest Rate

7.5%

Mileage at 3yr

57k mi

2020

Based on 5,141 vehicles

92.9%Excellent

Audi average: 89.3%

Dangerous Defects

1.8%

Retest Rate

6.9%

Mileage at 3yr

52k mi

Mileage at 5yr

80k mi

2019

Based on 23,767 vehicles

91.7%Excellent

Audi average: 89.3%

Dangerous Defects

2.8%

Retest Rate

9.0%

Mileage at 3yr

57k mi

Mileage at 5yr

87k mi

2018

Based on 23,452 vehicles

91.1%Excellent

Audi average: 89.3%

Dangerous Defects

3.0%

Retest Rate

9.3%

Mileage at 5yr

86k mi

2017

Based on 26,790 vehicles

89.9%Excellent

Audi average: 89.3%

Dangerous Defects

2.9%

Retest Rate

11.4%

Mileage at 5yr

97k mi

2016

Based on 36,928 vehicles

88.3%Excellent

Audi average: 89.3%

Dangerous Defects

3.4%

Retest Rate

12.4%

2015

Based on 31,633 vehicles

87.6%Excellent

Audi average: 89.3%

Dangerous Defects

3.3%

Retest Rate

13.5%

Mileage at 10yr

167k mi

2014

Based on 29,765 vehicles

85.4%Excellent

Audi average: 89.3%

Dangerous Defects

4.0%

Retest Rate

15.3%

Mileage at 10yr

171k mi

2013

Based on 28,528 vehicles

84.5%Good

Audi average: 89.3%

Dangerous Defects

4.3%

Retest Rate

16.4%

Mileage at 10yr

174k mi

2012

Based on 22,127 vehicles

83.5%Good

Audi average: 89.3%

Dangerous Defects

4.2%

Retest Rate

17.2%

Mileage at 10yr

186k mi

2011

Based on 18,080 vehicles

78.5%Good

Audi average: 89.3%

Dangerous Defects

5.6%

Retest Rate

21.5%

2010

Based on 17,284 vehicles

77.3%Good

Audi average: 89.3%

Dangerous Defects

6.2%

Retest Rate

21.6%

2009

Based on 11,524 vehicles

77.7%Good

Audi average: 89.3%

Dangerous Defects

5.6%

Retest Rate

20.4%

2008

Based on 15,596 vehicles

75.0%Good

Audi average: 89.3%

Dangerous Defects

6.4%

Retest Rate

23.3%

2007

Based on 15,539 vehicles

75.2%Good

Audi average: 89.3%

Dangerous Defects

6.1%

Retest Rate

22.1%

2006

Based on 9,430 vehicles

74.1%Average

Audi average: 89.3%

Dangerous Defects

6.3%

Retest Rate

21.8%

2005

Based on 5,264 vehicles

73.5%Average

Audi average: 89.3%

Dangerous Defects

6.7%

Retest Rate

21.5%

2004

Based on 3,125 vehicles

70.1%Average

Audi average: 89.3%

Dangerous Defects

6.5%

Retest Rate

23.6%

2003

Based on 2,043 vehicles

68.1%Average

Audi average: 89.3%

Dangerous Defects

6.6%

Retest Rate

24.7%

Top MOT Failures — Audi A6

The most common reasons a Audi A6 fails its MOT, aggregated across all year ranges.

The aim of a headlamp is not within limits laid down in the requirements

2.4%

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

1.9%

A suspension pin, bush or joint excessively worn

1.8%

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

1.8%

Tyre tread depth not in accordance with the requirements

1.8%

Audi A6 Common Faults & Repair Costs

Where Failures Occur

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

Front Nearside

2.7%

Front Offside

2.1%

Rear Nearside

1.1%

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 TT

69.5% pass rate

Audi RS3

89.2% pass rate

Audi Q4 e-tron Sport 40

91.5% 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 A6

Audi A6 — Frequently Asked Questions

Common questions about the Audi A6 MOT and reliability.

What is the MOT pass rate for the Audi A6?

The average MOT pass rate for the Audi A6 is 82.0% compared to the Audi average of 89.3%. 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 A6?

The most common MOT failures on the Audi A6 are: The aim of a headlamp is not within limits laid down in the requirements (2.4%), A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning (1.9%), A suspension pin, bush or joint excessively worn (1.8%). These are the components most likely to cause an MOT failure.

Is the Audi A6 reliable?

With an average MOT pass rate of 82.0%, the Audi A6 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 A6?

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 A6?

Typical mileage for the Audi A6: 57,397 miles at 3 years. Use these benchmarks when evaluating a used A6 to spot vehicles with unusually high or low mileage.

Check Your Audi A6's MOT History

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