Audi RS6 C6 (2008-2010) reliability
Audi RS6 C6 built around 2009: not enough MOT data yet
We've only seen a handful of Audi RS6 C6 models built around 2009 so far. Too few to spot a pattern yet.
Looking at an Audi RS6 C6?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
Check a car’s number plate to see its own MOT record, or come back when there’s more MOT history.

Based on 275 tests of RS6 models registered 2008-2010.
C6 fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 16 years old.
How the RS6 C6 compares
At each age below, see how the RS6 C6 holds up against other cars the same age. The averages combine all fuel types.
Based on 65,802 tests across 14 Audi models, built around 2009 (16 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Brake discs
High priorityAsk for the date and mileage of the last disc replacement; visually check for a deep wear lip and rust pitting on each disc.
Suspension bushes and joints
Worth checkingListen for knocks over speed bumps and ask about recent control-arm or anti-roll-bar work.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Leaks
Worth checkingInspect the leaks carefully and ask the seller for repair history.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Other estates to compare
Other estates, with each one's figures taken at the same age as the RS6 C6.
- 1

Volvo V50
Same body type, tested at the same age
- Fail rate
- 32.8%
- Fail, no pass in 3 days
- 8.8%
- Dangerous
- 10.3%
No clear edge over the Audi RS6 C6 on these figures.
5,682 MOT tests on cars built around 2009
- 2

Volvo V70
Same body type, tested at the same age
- Fail rate
- 27.4%
- Fail, no pass in 3 days
- 7.1%
- Dangerous
- 8.1%
- Still registered at 10 years
- 94.7%
More still registered at 10 years: 95%, against 89% for the Audi RS6 C6.
4,071 MOT tests on cars built around 2009
- 3

Volvo XC70
Same body type, tested at the same age
- Fail rate
- 25%
- Fail, no pass in 3 days
- 6.6%
- Dangerous
- 5.8%
- Still registered at 10 years
- 97.7%
More still registered at 10 years: 98%, against 89% for the Audi RS6 C6.
1,211 MOT tests on cars built around 2009
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
How many are still registered
UK average for cars first registered in 2014 to 2015: 92% · About typical
The share still registered can reflect demand, the cost of repairs, exports, write-offs and how owners use the car. It isn't proof of how long the car lasts mechanically.
Source: DfT vehicle licensing statistics (VEH0124).
Recall context
4 recalls in allNo recall notices match this build period.
For the exact car, check GOV.UK's recall checker with the number plate.
How RS6 C6 cars have aged
How RS6 C6 cars have aged
How fail rates have changed as these cars got older. Each line follows cars first registered in about the same year across several years of MOT data. Not a prediction for any one car.
Most common issues on Audi RS6 models of this age
This list covers every Audi RS6 built around 2009, whichever generation it is. We don't have a defect list for the C6 on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 115.2%Advisory
Suspension arm pin or bush worn, but not moving too much
- 214.7%Advisory
Tyre worn close to the legal limit or worn on the edge
- 310.3%Advisory
Oil leak, but not excessive
- 49.2%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
- 57.1%Advisory
Shock absorber has a light misting of oil
Based on 184 tests
Looking at an Audi RS6 C6?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2009 (16 years old), the Audi RS6 C6 (2008-2010) fails MOTs noticeably less often than typical for this age. This is based on 184 16-year-old MOT tests from DVSA data. Each retest counts as a test.