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Audi A6 - 50 TDI Quattro S Line 4dr Tip Auto

170 g CO2/km comb. - 204 HP (150 kW) - 7.3 Mpg

Carwow

£22,050

Super price

You save £5,050

Audi A6 -40 TFSI Sport 4dr S Tronic

179 g CO2/km comb. - 286 HP (210 kW) - 6.8 Mpg

Carwow

£20,800

Super price

You save £3,900

Audi A6 -Avant 40 TDI S Line 5dr Tronic

163 g CO2/km comb. - 204 HP (150 kW) - 7.1 Mpg

Carwow

£17,995

Fair price

You save £605

UB100LJ, London

149 g CO2/km comb. - 204 HP (150 kW) - 5.7 Mpg

Used (2025) Audi A6 Black Edition 201 HP | Expensive

40 TDI Quattro Black Edition 4dr S

Expensive

Estimated price £36,234

Used (2025) Audi A6 e-tron Comfort 281 HP | Expensive

210kW 83kWh Edition 1 5dr Auto

Expensive

Estimated price £46,486

Used (2020) Audi A6 Black Edition 204 HP | Expensive

40 TDI Quattro Black Edition 4dr S

KT5 9DN Surbiton, London

Expensive

Estimated price £14,710

KT5 9DN Surbiton, London

Used (2025) Audi A6 e-tron Comfort 422 HP | Expensive

315kW Quattro 100kWh Edition 1 5dr

Expensive

Estimated price £59,396

Used (2021) Audi A6 Black Edition 201 HP | Expensive

40 TDI Quattro Black Edition 4dr S

Expensive

Estimated price £24,833

New (2025) Audi A6 Black Edition 261 HP | Expensive

45 TFSI Quattro Black Ed 4dr S

Expensive

Estimated price £38,380

Used (2025) Audi A6 Sport 299 HP | Expensive

50 TFSI e 17.9kWh Quattro Sport

Expensive

Estimated price £33,328

Used (2025) Audi A6 Black Edition 201 HP | Expensive

Avant 40 TDI Quattro Black Edition

Expensive

Estimated price £39,006

Used (2025) Audi A6 Black Edition 201 HP | Expensive

40 TDI Quattro Black Edition 4dr S

Expensive

Estimated price £35,525

Used (2025) Audi A6 S-Line 204 HP | Expensive

Avant 40 TFSI S Line 5dr S

Expensive

Estimated price £35,552

Audi A6 - 40 TDI S Line 4dr Tronic

Visit Honestjohn

Featured deals

Carwow

£18,050

Super price

You save £2,750

Audi A6 -Avant 40 TFSI Sport 5dr S Tronic

142 g CO2/km comb. - 204 HP (150 kW) - 5.4 Mpg

Carwow

£18,799

Fair price

You save £801

Audi A6 -2.0 TDI Ultra SE Executive 4dr S Tronic

168 g CO2/km comb. - 204 HP (150 kW) - 7.3 Mpg

Carwow

£9,648

Super price

You save £2,152

HA01TX, London

114 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Audi A6 - Avant 2.0 TDI Ultra S Line 5dr Tronic

£11,993

Fair price

You save £1,007

118 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Visit Desperateseller.co.uk

Used (2023) Audi A6 S-Line 204 HP | Expensive

2.0 TFSI 40 S line Saloon 4dr

RM13 9EB Rainham, London

Expensive

Estimated price £27,561

RM13 9EB Rainham, London

NW8 7HT St Johns Wood, London

Used (2024) Audi A6 Black Edition | Expensive

40 TFSI Black Edition 5dr S

Expensive

Estimated price £32,160

NW8 7HT St Johns Wood, London

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2018) Audi A6 S-Line 252 HP | Not evaluated

Saloon S Line S Line

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2018) Audi S6 Black Edition 450 HP | Not evaluated

-TFSI Quattro Black Edition 4dr S

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2023) Audi A6 S-Line 299 HP | Not evaluated

- 50 TFSI e 17.9kWh Quattro S Line

Visit Carwow

Used (2025) Audi A6 S-Line 201 HP | Not evaluated

2.0 TDI Quattro 204 Launch Edition

Used (2025) Audi A6 S-Line 204 HP | Not evaluated

40 TFSI S Line 5dr S Tronic - 2025

Used (2025) Audi A6 S-Line 204 HP | Not evaluated

Avant 2.0 TDI Quattro 204 Launch

Used (2022) Audi A6 Competition 367 HP | Not evaluated

55 TFSI e 17.9kWh Quattro

Used (2025) Audi A6 S-Line 204 HP | Not evaluated

Avant 2.0 TDI Quattro 204 Launch

Audi A6 -40 TDI S Line 4dr Tronic

Featured deals

Carwow

£16,998

Fair price

You save £702

Audi A6 - 40 TDI Sport 4dr S Tronic

142 g CO2/km comb. - 204 HP (150 kW) - 5.4 Mpg

Carwow

£15,858

Super price

You save £3,942

Audi A6 - 50 TFSI e 17.9kWh Quattro S Line 4dr Tronic

142 g CO2/km comb. - 204 HP (150 kW) - 5.4 Mpg

Carwow

£20,900

Audi S6 -TFSI Quattro Black Edition 4dr S Tronic

28 g CO2/km comb. - 299 HP (219 kW) - 1.3 Mpg

Carwow

£18,995

Rare vehicle

HA80AP, London

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

Used (2025) Audi A6 Advanced 201 HP | Not evaluated

2.0 TDI Quattro 204 Launch Edition

Used (2021) Audi A6 Black Edition 261 HP | Not evaluated

45 Tfsi 265 Quattro Black Edition

Used (2025) Audi A6 S-Line 201 HP | Not evaluated

Avant 2.0 TDI Quattro 204 Launch

Visit Honestjohn

SW19 1JZ Wimbledon, London

Used (2025) Audi A6 S-Line 204 HP | Not evaluated

2.0 TDI Quattro 204 Launch Edition

Used (2025) Audi A6 e-tron S-Line 367 HP | Not evaluated

AVANT S Line

SW19 1JZ Wimbledon, London

Audi A6 Saloon S Line S Line

Featured deals

Carwow

£17,250

Rare vehicle

BR67QR Kent, London

153 g CO2/km comb. - 252 HP (185 kW) - 6.6 Mpg

Carwow

Audi A6 -Avant 40 TFSI S Line 5dr Tronic

£21,700

A bit pricey

Estimated price £20,372

SW170HB, London

170 g CO2/km comb. - 204 HP (150 kW) - 7.3 Mpg

Carwow

Audi S6 S6TDI 344 Quattro Black Edition 5dr Tip Auto

£52,103

A bit pricey

Estimated price £49,703