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Audi S6 (petrol) • 11 cars with Valuation

Market overview: Petrol Audi S6 (August-2026): There are currently 11 used petrol Audi S6 cars for sale. Prices range from £9,848 to £34,498, with a median price of £18,495. AutoUncle has identified 0 cars as being offered below market price. The typical selling time for a petrol Audi S6 is approximately 35 days, and 54.5% of the listings have recently been reduced in price (Source: AutoUncle market data, August-2026).

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Used Audi RS5 Comfort 450 HP (330 kW) 2017 Red Coupe

(2017) Audi RS5 Comfort 450 HP

Fair price

Estimated price £27,048

YO32 2RJ York, North Yorkshire

197 g CO2/km comb. - 450 HP (330 kW) - 8.6 Mpg

Carwow

Used Audi RS5 Sport 450 HP (330 kW) 2019 Grey Coupe

(2019) Audi RS5 Sport 450 HP

Fair price

YO32 2RJ York, North Yorkshire

206 g CO2/km comb. - 450 HP (330 kW) - 9.3 Mpg

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Used (2018) Audi S6 Black Edition 450 HP

Avant 2018 Black Edition TFSI

2018
19,300 miles
Trim level: Black Edition
Petrol
Estate
Automatic
450 HP (330 kW)
CO2 emissions: 224 g CO2/km comb.
9.6 mpg
Details

£38,000

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GU214XS

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Used (2017) Audi S6 Black Edition 450 HP | Rare vehicle

Saloon 4.0 TFSI V8 Black Edition S

2017
107,000 miles
Trim level: Black Edition
4.0L Petrol
Sedan
Automatic
450 HP (330 kW)
9.4 mpg
Details

£16,595

Rare vehicle

Motors.co.uk

UB10 0LJ Greater London, London

-1%

1 / 4

Used (2016) Audi S6 Sport 450 HP | Rare vehicle

Saloon 4.0 TFSI V8 Saloon 4dr

2016
67,000 miles
Trim level: Sport
4.0L Petrol
Sedan
Automatic
450 HP (330 kW)
9.4 mpg
Details

£18,790

£18,990

Rare vehicle

Motors.co.uk

RH14 0QS Loxwood, West Sussex

-19%

1 / 4

Used (2008) Audi S6 Performance 435 HP | Rare vehicle

Saloon 5.2 quattro 4dr

2008
63,653 miles
Trim level: Performance
5.2L Petrol
Sedan
Automatic
435 HP (319 kW)
Details

£9,695

£11,995

Rare vehicle

Motors.co.uk

GL2 7NG Moreton Valence, Gloucestershire

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Used Audi RS5 Comfort 450 HP (330 kW) 2017 Red Coupe

(2017) Audi RS5 Comfort 450 HP

Fair price

Estimated price £27,048

YO32 2RJ York, North Yorkshire

197 g CO2/km comb. - 450 HP (330 kW) - 8.6 Mpg

Carwow

Used Audi RS5 Sport 450 HP (330 kW) 2019 Grey Coupe

(2019) Audi RS5 Sport 450 HP

Fair price

YO32 2RJ York, North Yorkshire

206 g CO2/km comb. - 450 HP (330 kW) - 9.3 Mpg

-8%

1 / 4

Used (2025) Audi S6 S-Line 444 HP | Rare vehicle

Saloon 3.0 TFSI V6 QUATTRO S LINE

2025
43,000 miles
Trim level: S-Line
3.0L Petrol
Sedan
Automatic
444 HP (326 kW)
10.7 mpg
Details

£30,995

£33,995

Rare vehicle

Motors.co.uk

ST4 3PA Fenton, Staffordshire

-10%

1 / 4

Used (2014) Audi S6 Advanced 450 HP | Rare vehicle

TFSI V8 Estate

2014
83,735 miles
Trim level: Advanced
4.0L Petrol
Estate
Automatic
450 HP (330 kW)
9.4 mpg
Details

£16,991

£18,991

Rare vehicle

Exchange and Mart

EH11 4EX Edinburgh, Edinburgh

-2%

1 / 4

Used (2017) Audi S6 Black Edition 450 HP | Rare vehicle

Avant 4.0 TFSI V8 Black Edition

2017
118,511 miles
Trim level: Black Edition
4.0L Petrol
Estate
Automatic
450 HP (330 kW)
9.4 mpg
Details

£20,999

£21,499

Rare vehicle

Motors.co.uk

NE15 6XA Newcastle Upon Tyne, Tyne And Wear

1 / 4

Used (2023) Audi S6 Comfort 435 HP | Rare vehicle

Saloon

2023
59,204 miles
Trim level: Comfort
5.2L Petrol
Automatic
435 HP (319 kW)
Details

£10,000

Rare vehicle

Motors.co.uk

CV35 Ashorne, Warwickshire

1 / 4

Used (2015) Audi S6 Sport 450 HP | Rare vehicle

Saloon 4.0 TFSI V8 Saloon 4dr

2015
71,200 miles
Trim level: Sport
4.0L Petrol
Sedan
Automatic
450 HP (330 kW)
9.4 mpg
Details

£18,495

Rare vehicle

Motors.co.uk

RH7 6HN Newchapel, Surrey

1 / 4

Used (2016) Audi S6 Design 450 HP | Rare vehicle

4.0 TFSI V8 Saloon 4dr Petrol S

2016
84,500 miles
Trim level: Design
4.0L Petrol
Sedan
Automatic
450 HP (330 kW)
CO2 emissions: 214 g CO2/km comb.
9.4 mpg
Details

£17,995

Rare vehicle

Exchange and Mart

YO32 2RJ York, North Yorkshire

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Used Audi RS5 Comfort 450 HP (330 kW) 2017 Red Coupe

(2017) Audi RS5 Comfort 450 HP

Fair price

Estimated price £27,048

YO32 2RJ York, North Yorkshire

197 g CO2/km comb. - 450 HP (330 kW) - 8.6 Mpg

Carwow

Used Audi RS5 Sport 450 HP (330 kW) 2019 Grey Coupe

(2019) Audi RS5 Sport 450 HP

Fair price

YO32 2RJ York, North Yorkshire

206 g CO2/km comb. - 450 HP (330 kW) - 9.3 Mpg

-4%

1 / 4

Used (2014) Audi S6 Comfort 420 HP | Rare vehicle

4.0 TFSI V8 S Tronic quattro 4dr

2014
38,000 miles
Trim level: Comfort
4.0L Petrol
Sedan
Automatic
420 HP (308 kW)
CO2 emissions: 225 g CO2/km comb.
9.6 mpg
Details

£19,990

£20,990

Rare vehicle

Exchange and Mart

Dorset, Dorset

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Used Mercedes C43 AMG Premium Plus 367 HP (269 kW) 2018 Grey Coupe

(2018) Mercedes C43 AMG Premium Plus 367 HP

Fair price

You save £1,250

CM1 3BH Essex, Essex

183 g CO2/km comb. - 367 HP (269 kW) - 8.0 Mpg

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Used Mercedes C43 AMG Premium 390 HP (286 kW) 2018 White Coupe

(2018) Mercedes C43 AMG Premium 390 HP

Fair price

You save £1,005

BL1 3BS Greater Manchester, Manchester

219 g CO2/km comb. - 390 HP (286 kW) - 29.4 Mpg

Carwow

Used Mercedes C43 AMG Premium 367 HP (269 kW) 2016 Red Estate

(2016) Mercedes C43 AMG Premium 367 HP

Fair price

Estimated price £17,192

DE5 3LT Derbyshire, Derbyshire

185 g CO2/km comb. - 367 HP (269 kW) - 8.0 Mpg

Carwow

Used Mercedes C43 AMG Premium Plus 367 HP (269 kW) 2018 Grey Sedan

(2018) Mercedes C43 AMG Premium Plus 367 HP

Fair price

Estimated price £22,330

OL9 6HT Greater Manchester, Manchester

183 g CO2/km comb. - 367 HP (269 kW) - 8.0 Mpg

Showing 1 - 11 of 11 results

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