Audi S5 (2015)

Estimated running costs and MOT pass rates from 67 MOT tests in 2024.

Annual Cost

£2,658

£222/month

MOT Pass Rate

94%

Excellent

Road Tax

£445

Estimated/year

Est. Insurance

Grp 30-42

2995cc Petrol

Great Choice

94% pass rate, £2,658/year to run. 12 points above average.

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Petrol2995cc11 years old67 tests60k miles avg

Annual Running Costs

Fuel (Petrol, 2995cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£445

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,658

Per month£222/mo

Per week£51/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

94% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 12 points above the average of 82% across all models in our data. It also outperforms the Audi brand average of 90%.

94% of MOT tests on Audi S5s from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 67 tests across the UK, retests included. The average mileage recorded at those tests was 59,833 miles.

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How Does It Compare?

Rank among 2015 models78th of 515(top 16%)

Rank among Audi models373rd of 1,066(top half)

vs average of all models+12%(82% avg)

vs 2015 models average+11%(83% avg)

vs Audi average+4%(90% avg)

Mileage Analysis

59,833

Average miles

66,600

Expected for age

The average 2015 Audi S5 had 59,833 miles on the clock at its 2024 MOT, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.

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Best Year to Buy?

Of the years with at least 100 tests, the 2014 model has the highest MOT pass rate at 92%, while the 2010 model has the lowest at 85%. The 2015 scores 94%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Audi S5 by Year

Year	Pass Rate	Tests	Avg Mileage
2017	89%	85	59,695 mi
2015	94%	67	59,833 mi
2014	92%	275	73,644 mi
2013	90%	269	76,943 mi
2012	91%	437	83,594 mi
2011	89%	544	83,319 mi
2010	85%	694	97,514 mi
2009	88%	406	98,651 mi
2008	85%	714	107,360 mi
2007	87%	315	110,886 mi

Similar Cars to Consider

BMW 3 Series

2014 · 3000cc Petrol

£2,808/year

87%

-7%

Vauxhall Insignia

2013 · 2792cc Petrol

£2,958/year

79%

-15%

BMW 1 Series

2013 · 2979cc Petrol

£2,808/year

84%

-10%

Land Rover Range Rover Sport

2016 · 2995cc Petrol

£2,808/year

89%

-5%

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About the 2015 Audi S5

The 2015 Audi S5 is a premium performance car. Our records list a 2995cc petrol engine, though engines vary between versions. 67 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 16% of all 2015 models for MOT pass rate.

With an average of 59,833 miles recorded at its 2024 MOT tests, Audi S5 owners drive about as much as the UK average.

2015 Audi S5 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 £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 2015 Audi S5?

Total estimated annual running cost is £2,658 (£222/month), broken down as £1,958 fuel, £445 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 S5 Reliability Trend

Newer Audi S5s pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.

Buying a Used 2015 Audi S5

At 11 years old, the Audi S5 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%. Note: with only 67 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Timing Chain / Belt

Watch out

At 11 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Oil Consumption

Medium risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2015 Audi S5 stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Audi S5(2015)	94%	£1,958	£445	Grp 30-42	£2,658
BMW 3 Series(2014)	87%	£1,958	£445	Grp 30-42	£2,808+£150
Vauxhall Insignia(2013)	79%	£1,958	£445	Grp 30-42	£2,958+£300
BMW 1 Series(2013)	84%	£1,958	£445	Grp 30-42	£2,808+£150
Land Rover Range Rover Sport(2016)	89%	£1,958	£445	Grp 30-42	£2,808+£150

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2015 Audi S5

Is the 2015 Audi S5 reliable?

Excellent reliability. Very few MOT failures. 94% of MOT tests on 2015 Audi S5s ended in a pass, from 67 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data.

How much does a 2015 Audi S5 cost to run?

Our estimate is £2,658 a year (£222 a month): £1,958 fuel, £445 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2015 Audi S5?

94% of 67 MOT tests on the 2015 Audi S5 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 78th of 515 models first registered in 2015 (top 16%).

Which year Audi S5 has the best MOT pass rate?

Of the years with at least 100 tests, the 2014 Audi S5 has the highest MOT pass rate at 92% and the 2010 the lowest at 85%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2015 Audi S5?

The average mileage recorded at MOT tests on the 2015 Audi S5 is 59,833 miles, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.