AUDI S4 (2017)
Running costs, common problems, and reliability data based on 69 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
69
Avg Mileage
57,456 mi
Est. Annual Cost
£2,037
Is the 2017 AUDI S4 reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 7 years old, 94% of AUDI S4s from 2017 passed their MOT first time in 2024. That's based on 69 tests across the UK. The average mileage at this age is 57,456 miles.
How does the 2017 AUDI S4 compare?
Mileage Analysis
The average 2017 AUDI S4 has 57,456 miles on the clock, which is in line with the expected 51,800 miles for a 7-year-old car, suggesting normal everyday use.
Best year to buy a AUDI S4?
The most reliable year is the 2013 model with a 94% MOT pass rate, while the 2006 model has the lowest at 78%. The 2017 sits between the two at 94%.
How much does a 2017 AUDI S4 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 by Year
Checking a specific AUDI S4?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2017 AUDI S4
The 2017 AUDI S4 is a premium performance with a 2995cc petrol engine. 69 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 18% of all 2017 cars for reliability.
With an average of 57,456 miles at 7 years old, AUDI S4 owners drive about as much as the UK average.
2017 AUDI S4 Fuel Costs
The 2995cc 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 2017 AUDI S4?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
AUDI S4 Reliability Trend
Newer AUDI S4s show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2017 AUDI S4
At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2013 model has the highest pass rate at 94%. Note: with only 69 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2017 AUDI S4
The AUDI S4 is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2018) 91% pass rate (-3%) from 40,272 tests
- LAND ROVER RANGE ROVER SPORT (2018) 93% pass rate (-1%) from 34,257 tests
- BMW X3 (2019) 92% pass rate (-2%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-1%) from 30,341 tests