AUDI A6 (2009)
Running costs, common problems, and reliability data based on 8,341 real MOT tests in 2024.
MOT Pass Rate
81%
Total Tests (2024)
8,341
Avg Mileage
150,654 mi
Est. Annual Cost
£2,247
Is the 2009 AUDI A6 reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the AUDI brand average of 90%.
At 15 years old, 81% of AUDI A6s from 2009 passed their MOT first time in 2024. That's based on 8,341 tests across the UK. The average mileage at this age is 150,654 miles.
How does the 2009 AUDI A6 compare?
Mileage Analysis
The average 2009 AUDI A6 has 150,654 miles on the clock, which is above the expected 111,000 miles for a 15-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a AUDI A6?
The most reliable year is the 2020 model with a 94% MOT pass rate, while the 1997 model has the lowest at 71%. The 2009 sits between the two at 81%.
How much does a 2009 AUDI A6 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
AUDI A6 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 93% | 2,105 | 36,146 mi |
| 2020 | 94% | 3,470 | 42,761 mi |
| 2019 | 92% | 16,657 | 54,594 mi |
| 2018 | 92% | 16,546 | 62,634 mi |
| 2017 | 91% | 19,296 | 75,408 mi |
| 2016 | 89% | 26,437 | 85,249 mi |
| 2015 | 89% | 22,966 | 96,950 mi |
| 2014 | 88% | 21,808 | 106,355 mi |
| 2013 | 87% | 20,882 | 115,551 mi |
| 2012 | 86% | 16,143 | 125,550 mi |
| 2011 | 82% | 13,126 | 135,985 mi |
| 2010 | 81% | 12,471 | 143,668 mi |
| 2009 | 81% | 8,341 | 150,654 mi |
| 2008 | 80% | 11,124 | 156,627 mi |
| 2007 | 79% | 10,782 | 162,839 mi |
| 2006 | 78% | 6,542 | 165,663 mi |
| 2005 | 78% | 3,534 | 163,283 mi |
| 2004 | 75% | 2,156 | 155,383 mi |
| 2003 | 74% | 1,408 | 153,657 mi |
| 2002 | 73% | 771 | 164,916 mi |
| 2001 | 78% | 356 | 157,216 mi |
| 2000 | 75% | 389 | 150,802 mi |
| 1999 | 73% | 410 | 157,368 mi |
| 1998 | 76% | 222 | 151,701 mi |
| 1997 | 71% | 215 | 176,094 mi |
| 1996 | 78% | 316 | 189,126 mi |
| 1995 | 76% | 136 | 162,842 mi |
| 1994 | 81% | 53 | 140,857 mi |
Checking a specific AUDI A6?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2009 AUDI A6
The 2009 AUDI A6 is a premium performance with a 4991cc petrol engine. 8,341 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2009, the average MOT pass rate is 75%, and this model beats that benchmark.
With an average of 150,654 miles at 15 years old, AUDI A6 owners cover more miles than the average driver.
2009 AUDI A6 Fuel Costs
The 4991cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2009 AUDI A6?
Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% pass rate. Keeping on top of servicing will help avoid surprises.
AUDI A6 Reliability Trend
Newer AUDI A6s show better MOT pass rates than older ones, with an average improvement of 11 percentage points.
Buying a Used 2009 AUDI A6
At 15 years old, the AUDI A6 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2020 model has the highest pass rate at 94%. With 8,341 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2009 AUDI A6
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- LAND ROVER RANGE ROVER SPORT (2011) 85% pass rate (+4%) from 13,658 tests
- BMW X5 (2010) 86% pass rate (+5%) from 8,668 tests
- MERCEDES SL (2008) 90% pass rate (+9%) from 1,940 tests
- JAGUAR XKR (2010) 87% pass rate (+6%) from 1,814 tests