AUDI S8 (2008)
Running costs, common problems, and reliability data based on 37 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
37
Avg Mileage
95,286 mi
Est. Annual Cost
£2,247
Is the 2008 AUDI S8 reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 16 years old, 89% of AUDI S8s from 2008 passed their MOT first time in 2024. That's based on 37 tests across the UK. The average mileage at this age is 95,286 miles.
How does the 2008 AUDI S8 compare?
Mileage Analysis
The average 2008 AUDI S8 has 95,286 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 S8?
The most reliable year is the 2013 model with a 99% MOT pass rate, while the 2007 model has the lowest at 78%. The 2008 sits between the two at 89%.
How much does a 2008 AUDI S8 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 S8 by Year
Checking a specific AUDI S8?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2008 AUDI S8
The 2008 AUDI S8 is a premium performance with a 5204cc petrol engine. 37 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 12% of all 2008 cars for reliability.
With an average of 95,286 miles at 16 years old, AUDI S8 owners drive about as much as the UK average.
2008 AUDI S8 Fuel Costs
The 5204cc 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 S8?
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 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2008 AUDI S8
At 16 years old, the AUDI S8 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 2013 model has the highest pass rate at 99%. Note: with only 37 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2008 AUDI S8
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- BMW X5 (2010) 86% pass rate (-3%) from 8,668 tests
- AUDI A6 (2009) 81% pass rate (-8%) from 8,341 tests
- MERCEDES ML (2006) 80% pass rate (-9%) from 3,946 tests
- MERCEDES SL (2008) 90% pass rate (+1%) from 1,940 tests