Audi S6 (2013)

Estimated running costs and MOT pass rates from 79 MOT tests in 2024.

Annual Cost

£3,003

£250/month

MOT Pass Rate

96%

Excellent

Road Tax

£790

Estimated/year

Est. Insurance

Grp 35-50

3993cc Petrol

Great Choice

96% pass rate, £3,003/year to run. 14 points above average.

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Petrol3993cc13 years old79 tests93k miles avg

Annual Running Costs

Fuel (Petrol, 3993cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£790

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£3,003

Per month£250/mo

Per week£58/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

96% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 14 points above the average of 82% across all models in our data. It also outperforms the Audi brand average of 90%.

96% of MOT tests on Audi S6s from 2013 ended in a pass in 2024, when they were about 11 years old. That's based on 79 tests across the UK, retests included. The average mileage recorded at those tests was 93,087 miles.

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How Does It Compare?

Rank among 2013 models48th of 588(top 9%)

Rank among Audi models169th of 1,066(top 16%)

vs average of all models+14%(82% avg)

vs 2013 models average+16%(80% avg)

vs Audi average+6%(90% avg)

Mileage Analysis

93,087

Average miles

81,400

Expected for age

The average 2013 Audi S6 had 93,087 miles on the clock at its 2024 MOT, which is in line with the expected 81,400 miles for a 11-year-old car, suggesting normal everyday use.

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Audi S6 by Year

Year	Pass Rate	Tests	Avg Mileage
2014	89%	36	78,960 mi
2013	96%	79	93,087 mi
2008	83%	41	101,397 mi
2007	84%	51	109,485 mi
2006	87%	63	126,176 mi

Similar Cars to Consider

Porsche Macan

2015 · 3604cc Petrol

£3,003/year

91%

-5%

Volkswagen Touareg

2015 · 3600cc Petrol

£3,153/year

85%

-11%

Mercedes ML

2015 · 3498cc Petrol

£3,153/year

89%

-7%

Porsche Cayenne

2015 · 3604cc Petrol

£3,003/year

93%

-3%

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About the 2013 Audi S6

The 2013 Audi S6 is a premium performance car. Our records list a 3993cc petrol engine, though engines vary between versions. 79 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 9% of all 2013 models for MOT pass rate.

With an average of 93,087 miles recorded at its 2024 MOT tests, Audi S6 owners drive about as much as the UK average.

2013 Audi S6 Fuel Costs

The 3993cc 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 2013 Audi S6?

Total estimated annual running cost is £3,003 (£250/month), broken down as £1,958 fuel, £790 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2013 Audi S6

At 13 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. Note: with only 79 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 13 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.

Clutch Wear

Medium risk

With an average of 93k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 2013 Audi S6 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 S6(2013)	96%	£1,958	£790	Grp 35-50	£3,003
Porsche Macan(2015)	91%	£1,958	£790	Grp 35-50	£3,003same
Volkswagen Touareg(2015)	85%	£1,958	£790	Grp 35-50	£3,153+£150
Mercedes ML(2015)	89%	£1,958	£790	Grp 35-50	£3,153+£150
Porsche Cayenne(2015)	93%	£1,958	£790	Grp 35-50	£3,003same

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 2013 Audi S6

Is the 2013 Audi S6 reliable?

Excellent reliability. Very few MOT failures. 96% of MOT tests on 2013 Audi S6s ended in a pass, from 79 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.

How much does a 2013 Audi S6 cost to run?

Our estimate is £3,003 a year (£250 a month): £1,958 fuel, £790 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 2013 Audi S6?

96% of 79 MOT tests on the 2013 Audi S6 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 48th of 588 models first registered in 2013 (top 9%).

What is the average mileage for a 2013 Audi S6?

The average mileage recorded at MOT tests on the 2013 Audi S6 is 93,087 miles, which is in line with the expected 81,400 miles for a 11-year-old car, suggesting normal everyday use.