AUDI S6 (2006)
Running costs, common problems, and reliability data based on 63 real MOT tests in 2024.
MOT Pass Rate
87%
Total Tests (2024)
63
Avg Mileage
126,176 mi
Est. Annual Cost
£2,247
Is the 2006 AUDI S6 reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 18 years old, 87% of AUDI S6s from 2006 passed their MOT first time in 2024. That's based on 63 tests across the UK. The average mileage at this age is 126,176 miles.
How does the 2006 AUDI S6 compare?
Mileage Analysis
The average 2006 AUDI S6 has 126,176 miles on the clock, which is in line with the expected 133,200 miles for a 18-year-old car, suggesting normal everyday use.
Best year to buy a AUDI S6?
The most reliable year is the 2013 model with a 96% MOT pass rate, while the 2007 model has the lowest at 84%. The 2006 sits between the two at 87%.
How much does a 2006 AUDI S6 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 S6 by Year
Checking a specific AUDI S6?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2006 AUDI S6
The 2006 AUDI S6 is a premium performance with a 5204cc petrol engine. 63 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 12% of all 2006 cars for reliability.
With an average of 126,176 miles at 18 years old, AUDI S6 owners drive about as much as the UK average.
2006 AUDI S6 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 2006 AUDI S6?
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 87% pass rate. Keeping on top of servicing will help avoid surprises.
AUDI S6 Reliability Trend
The AUDI S6 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2006 AUDI S6
At 18 years old, the AUDI S6 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 96%. Note: with only 63 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2006 AUDI S6
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 (2005) 77% pass rate (-10%) from 11,188 tests
- MERCEDES CLK (2004) 76% pass rate (-11%) from 8,352 tests
- MERCEDES SL (2004) 88% pass rate (+1%) from 4,036 tests
- MERCEDES ML (2006) 80% pass rate (-7%) from 3,946 tests