AUDI S4 AVANT (2009)
Running costs, common problems, and reliability data based on 92 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
92
Avg Mileage
100,885 mi
Est. Annual Cost
£2,247
Is the 2009 AUDI S4 AVANT reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 15 years old, 89% of AUDI S4 AVANTs from 2009 passed their MOT first time in 2024. That's based on 92 tests across the UK. The average mileage at this age is 100,885 miles.
How does the 2009 AUDI S4 AVANT compare?
Mileage Analysis
The average 2009 AUDI S4 AVANT has 100,885 miles on the clock, which is in line with the expected 111,000 miles for a 15-year-old car, suggesting normal everyday use.
Best year to buy a AUDI S4 AVANT?
The most reliable year is the 2011 model with a 100% MOT pass rate, while the 2006 model has the lowest at 70%. The 2009 sits between the two at 89%.
How much does a 2009 AUDI S4 AVANT 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 S4 AVANT by Year
Checking a specific AUDI S4 AVANT?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2009 AUDI S4 AVANT
The 2009 AUDI S4 AVANT is a premium performance with a 4172cc petrol engine. 92 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 13% of all 2009 cars for reliability.
With an average of 100,885 miles at 15 years old, AUDI S4 AVANT owners drive about as much as the UK average.
2009 AUDI S4 AVANT Fuel Costs
The 4172cc 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 S4 AVANT?
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.
AUDI S4 AVANT Reliability Trend
Newer AUDI S4 AVANTs show better MOT pass rates than older ones, with an average improvement of 11 percentage points.
Buying a Used 2009 AUDI S4 AVANT
At 15 years old, the AUDI S4 AVANT 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 2011 model has the highest pass rate at 100%. Note: with only 92 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2009 AUDI S4 AVANT
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- JAGUAR XF (2008) 78% pass rate (-11%) from 12,062 tests
- VOLVO XC90 (2009) 78% pass rate (-11%) from 6,349 tests
- LAND ROVER RANGE ROVER (2008) 81% pass rate (-8%) from 6,161 tests
- PORSCHE 911 (2007) 90% pass rate (+1%) from 5,366 tests