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Audi S6 (diesel) • 11 cars with Valuation

Market overview: Diesel Audi S6 (August-2026): There are currently 11 used diesel Audi S6 cars for sale. Prices range from £24,735 to £62,493, with a median price of £41,495. AutoUncle has identified 0 cars as being offered below market price. The typical selling time for a diesel Audi S6 is approximately 31 days, and 80.0% of the listings have recently been reduced in price (Source: AutoUncle market data, August-2026).

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Used (2023) Audi S6 344 HP | Rare vehicle

- Avant TDI 344 Quattro Vorsprung

2023
67,348 miles
3.0L Diesel
Estate
Automatic
344 HP (253 kW)
CO2 emissions: 193 g CO2/km comb.
7.3 mpg
Details

£38,700

£40,600

Rare vehicle

CM1 3BH Essex, Essex

Availability verified

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1 / 4

Used (2021) Audi S6 Comfort 344 HP | Rare vehicle

Avant 3.0 TDI V6 Vorsprung Estate

2021
67,348 miles
Trim level: Comfort
3.0L Diesel
Estate
Automatic
344 HP (253 kW)
CO2 emissions: 193 g CO2/km comb.
7.3 mpg
Details

£38,700

£40,600

Rare vehicle

CM1 3BH Essex, Essex

Availability verified

-6%

1 / 4

Used (2019) Audi S6 Business 349 HP | Rare vehicle

Avant 3.0 TDI V6 Tiptronic quattro

2019
56,066 miles
Trim level: Business
3.0L Diesel
Estate
Automatic
349 HP (256 kW)
Details

£26,975

£28,945

Rare vehicle

Motors.co.uk

PE7 3GP Yaxley, Cambridgeshire

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Used (2024) Audi S6 Black Edition 339 HP | Rare vehicle

Saloon 3.0 TDI V6 Black Edition

Dec 2024
12,530 miles
Trim level: Black Edition
3.0L Diesel
Sedan
Automatic
339 HP (249 kW)
CO2 emissions: 186 g CO2/km comb.
7.1 mpg
Details

£53,450

£54,050

Rare vehicle

Dealer

Audi, Dumfriesshire

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1 / 4

Used (2024) Audi S6 Black Edition 344 HP | Rare vehicle

S6 3.0 TDI V6 Black Edition

2024
12,428 miles
Trim level: Black Edition
3.0L Diesel
Sedan
Automatic
344 HP (253 kW)
6.9 mpg
Details

£52,950

£54,950

Rare vehicle

Exchange and Mart

North Yorkshire, North Yorkshire

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1 / 4

Used (2019) Audi S6 Comfort 349 HP | Rare vehicle

Saloon 3.0 TDI V6 Tiptronic

2019
62,712 miles
Trim level: Comfort
3.0L Diesel
Sedan
Automatic
349 HP (256 kW)
Details

£22,495

£24,995

Rare vehicle

Motors.co.uk

ST14 5AE Spath, Staffordshire

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Used (2024) Audi S6 Black Edition 339 HP | Rare vehicle

Avant 3.0 TDI V6 Black Edition

Feb 2024
41,711 miles
Trim level: Black Edition
3.0L Diesel
Estate
Automatic
339 HP (249 kW)
CO2 emissions: 188 g CO2/km comb.
7.1 mpg
Details

£44,650

£46,795

Rare vehicle

Dealer

Audi, Dumfriesshire

1 / 4

Used (2021) Audi S6 Comfort 344 HP | Rare vehicle

Avant 3.0 TDI V6 Estate 5dr Diesel

2021
49,482 miles
Trim level: Comfort
3.0L Diesel
Estate
Automatic
344 HP (253 kW)
Details

£34,990

Rare vehicle

Motors.co.uk

SS0 0JR Southend-On-Sea, Essex

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Used (2020) Audi S6 Advanced | Rare vehicle

Avant 3.0 TDI V6 Vorsprung

2020
66,000 miles
Trim level: Advanced
3.0L Diesel
Estate
Automatic
Details

£41,495

£44,445

Rare vehicle

Motors.co.uk

LS27 7HJ Gildersome, West Yorkshire

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Used (2025) Audi S6 Black Edition 344 HP | Rare vehicle

Avant C8 (Black Edition) Avant 3.0

2025
1,955 miles
Trim level: Black Edition
3.0L Diesel
Estate
Automatic
344 HP (253 kW)
6.9 mpg
Details

£69,995

Rare vehicle

Motors.co.uk

TF7 4JT Telford And Wrekin, Shropshire

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Used BMW M340 M Sport 340 HP (250 kW) 2024 Estate

(2024) BMW M340 M Sport 340 HP

Good price

You save £1,810

163 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow

Used BMW M340 Shadowline 340 HP (250 kW) 2023 Blue Estate

(2023) BMW M340 Shadowline 340 HP

Fair price

LS12 6DL West Yorkshire, West Yorkshire

163 g CO2/km comb. - 340 HP (250 kW) - 44.8 Mpg

Carwow

Used BMW M340 Comfort Edition 340 HP (250 kW) 2024 Grey Sedan

(2024) BMW M340 Comfort Edition 340 HP

Super price

You save £4,274

BA22 8RT Somerset, Somerset

159 g CO2/km comb. - 340 HP (250 kW) - 46.3 Mpg

Carwow

Used BMW M340 Shadowline 340 HP (250 kW) 2024 Grey Sedan

(2024) BMW M340 Shadowline 340 HP

Good price

You save £1,710

S41 9BU Derbyshire, Derbyshire

163 g CO2/km comb. - 340 HP (250 kW) - 45.6 Mpg

Showing 1 - 10 of 10 results

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Audi S6 (24)