AUDI RS6 (2008)
Running costs, common problems, and reliability data based on 369 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
369
Avg Mileage
98,694 mi
Est. Annual Cost
£2,097
Is the 2008 AUDI RS6 reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%.
At 16 years old, 92% of AUDI RS6s from 2008 passed their MOT first time in 2024. That's based on 369 tests across the UK. The average mileage at this age is 98,694 miles.
How does the 2008 AUDI RS6 compare?
Mileage Analysis
The average 2008 AUDI RS6 has 98,694 miles on the clock, which is in line with the expected 118,400 miles for a 16-year-old car, suggesting normal everyday use.
Best year to buy a AUDI RS6?
The most reliable year is the 2014 model with a 92% MOT pass rate, while the 2003 model has the lowest at 86%. The 2008 sits between the two at 92%.
How much does a 2008 AUDI RS6 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 RS6 by Year
Checking a specific AUDI RS6?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2008 AUDI RS6
The 2008 AUDI RS6 is a premium performance with a 4991cc petrol engine. 369 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 8% of all 2008 cars for reliability.
With an average of 98,694 miles at 16 years old, AUDI RS6 owners drive about as much as the UK average.
2008 AUDI RS6 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 2008 AUDI RS6?
Total estimated annual running cost is £2,097 (£175/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
AUDI RS6 Reliability Trend
Newer AUDI RS6s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2008 AUDI RS6
At 16 years old, the AUDI RS6 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 2014 model has the highest pass rate at 92%.
Alternatives to the 2008 AUDI RS6
The AUDI RS6 is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- BMW X5 (2010) 86% pass rate (-6%) from 8,668 tests
- AUDI A6 (2009) 81% pass rate (-11%) from 8,341 tests
- MERCEDES ML (2006) 80% pass rate (-12%) from 3,946 tests
- PORSCHE CAYENNE (2006) 86% pass rate (-6%) from 2,242 tests