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(estate) Audi A6 used • 746 cars for sale

Market overview: Prices range from £6,399 to £67,495 across all listings

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Used (2021) Audi A6 S-Line 204 HP | Super price

-Avant 40 TDI S Line 5dr Troni

  • 2021
  • 61,639 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
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Super price

£19,241
£19,490
TS247LD Hartlepool, Durham
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Used (2021) Audi A6 S-Line 204 HP | Good price

- Avant 40 TDI S Line 5dr

  • 2021
  • 68,334 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
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Good price

£19,758
£19,773
OX162RS, Oxfordshire
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-10%
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Used (2024) Audi A6 Sport 204 HP | Super price

-Avant 40 TFSI Sport 5dr S

  • 2024
  • 31,306 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.4
  • CO2: 171 g CO2/km comb.
  • Details
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Super price

£23,999
£26,699
PO35RS, Hampshire
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-3%
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Used (2021) Audi A6 S-Line 204 HP | Super price

- Avant 40 TDI S Line 5dr

  • 2021
  • 65,150 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
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Super price

£18,499
£19,199
CW73AL, Cheshire
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-9%
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Used (2021) Audi A6 Sport 204 HP | Super price

AVANT 40 TFSI Sport 5dr S Tronic

  • 2021
  • 22,245 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.3
  • CO2: 168 g CO2/km comb.
  • Details
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Super price

£21,899
£24,199
M41 7TB Trafford Park, Manchester
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Used (2018) Audi A6 S-Line 190 HP | Good price

- Avant 2.0 TDI Ultra S Line 5dr

  • 2018
  • 75,000 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 190 HP (139 kW)
  • mpg: 4.5
  • CO2: 118 g CO2/km comb.
  • Details
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Good price

£12,995
OL96HT, Manchester
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-11%
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Used (2022) Audi A6 Sport 204 HP | Super price

40 TFSI Sport 5dr S Tronic [Tech

  • 2022
  • 106,070 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
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Super price

£15,995
£17,995
S802QD Hinckley, Nottinghamshire
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Used (2021) Audi A6 S-Line 204 HP | Good price

- Avant 40 TDI S Line 5dr

  • 2021
  • 65,149 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
autouncle-certified

Good price

£19,350
£19,300
DE655FJ Hilton, Derbyshire
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Used (2024) Audi A6 Sport 204 HP | Good price

- Avant 40 TFSI Sport 5dr S

  • 2024
  • 12,023 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.4
  • CO2: 171 g CO2/km comb.
  • Details
autouncle-certified

Good price

£27,696
MK429XE Huntingdon, Bedfordshire
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-2%
1 / 3

Used (2021) Audi A6 Sport 204 HP | Super price

- Avant 40 TDI Sport 5dr S

  • 2021
  • 42,091 miles
  • Trim level: Sport
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.6
  • CO2: 148 g CO2/km comb.
  • Details
autouncle-certified

Super price

£19,587
£20,087
E65LU, London
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Used (2021) Audi A6 S-Line 286 HP | Super price

-Avant 50 TDI Quattro S Line 5dr

  • 2021
  • 53,510 miles
  • Trim level: S-Line
  • 3.0L Diesel
  • Estate
  • Automatic
  • 286 HP (210 kW)
  • mpg: 6.9
  • CO2: 184 g CO2/km comb.
  • Details
autouncle-certified

Super price

£24,099
£24,999
CW73AL, Cheshire
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-5%
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Used (2021) Audi A6 S-Line 204 HP | Super price

-Avant 40 TDI S Line 5dr Troni

  • 2021
  • 39,940 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
autouncle-certified

Super price

£20,899
£22,199
CW73AL, Cheshire
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-9%
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Used (2021) Audi A6 Sport 204 HP | Super price

-Avant 40 TFSI Sport 5dr S

  • 2021
  • 69,584 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.3
  • CO2: 168 g CO2/km comb.
  • Details
autouncle-certified

Super price

£18,233
£20,136
E65LU, London
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Used (2018) Audi A6 S-Line 190 HP | Super price

- Avant 2.0 TDI Ultra S Line

  • 2018
  • 95,000 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Manual
  • 190 HP (139 kW)
  • mpg: 4.6
  • CO2: 119 g CO2/km comb.
  • Details
autouncle-certified

Super price

£9,800
£9,900
B946AB West Midlands, West Midlands
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Used (2023) Audi A6 Sport 204 HP | Good price

- Avant 40 TFSI Sport 5dr S Tronic

  • 2023
  • 25,109 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Good price

£25,697
£25,997
NE297TE Newcastle, Tyne and Wear
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Used (2018) Audi A6 Black Edition 190 HP | Good price

- Avant 2.0 TDI Ultra Black

  • 2018
  • 132,000 miles
  • Trim level: Black Edition
  • 2.0L Diesel
  • Estate
  • Automatic
  • 190 HP (139 kW)
  • mpg: 4.7
  • CO2: 122 g CO2/km comb.
  • Details
autouncle-certified

Good price

£9,790
£9,890
UB111FW, London
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-4%
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Used (2021) Audi A6 S-Line 204 HP | Super price

- Avant 40 TDI S Line 5dr

  • 2021
  • 67,860 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
autouncle-certified

Super price

£17,999
£18,799
CW73AL, Cheshire
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-8%
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Used (2022) Audi A6 Sport 204 HP | Super price

2.0 TFSI 40 Sport S Tronic Euro 6

  • 2022
  • 90,440 miles
  • Trim level: Sport
  • 2.0L Petrol
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Super price

£16,995
£18,495
LE103DJ Hinckley, Leicestershire
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Used (2018) Audi A6 Black Edition 190 HP | Good price

- Avant 2.0 TDI Ultra Black

  • 2018
  • 111,000 miles
  • Trim level: Black Edition
  • 2.0L Diesel
  • Estate
  • Automatic
  • 190 HP (139 kW)
  • mpg: 4.7
  • CO2: 122 g CO2/km comb.
  • Details
autouncle-certified

Good price

£11,000
£11,400
CM94LL, Essex
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Used (2021) Audi A6 S-Line 204 HP | Super price

- Avant 40 TDI S Line 5dr

  • 2021
  • 54,363 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
autouncle-certified

Super price

£19,999
EX28NT, Devon
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Used (2021) Audi A6 S-Line 204 HP | Super price

-Avant 40 TDI S Line 5dr Troni

  • 2021
  • 45,807 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.7
  • CO2: 149 g CO2/km comb.
  • Details
autouncle-certified

Super price

£20,800
£21,300
WS111SL, Staffordshire
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Used (2018) Audi A6 Black Edition 272 HP | Super price

- Avant 3.0 TDI [272] Quattro

  • 2018
  • 103,635 miles
  • Trim level: Black Edition
  • 3.0L Diesel
  • Estate
  • Automatic
  • 272 HP (200 kW)
  • mpg: 5.4
  • CO2: 144 g CO2/km comb.
  • Details
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Super price

£12,995
HP234NB, Buckinghamshire
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Used (2020) Audi A6 S-Line 245 HP | Super price

- Avant 45 TFSI Quattro S Line 5dr

  • 2020
  • 36,928 miles
  • Trim level: S-Line
  • 2.0L Petrol
  • Estate
  • Automatic
  • 245 HP (180 kW)
  • mpg: 8.3
  • CO2: 188 g CO2/km comb.
  • Details
autouncle-certified

Super price

£18,995
BS216RX, Somerset
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1 / 2

Used (2018) Audi A6 Black Edition 190 HP | Good price

- Avant 2.0 TDI Ultra Black

  • 2018
  • 80,000 miles
  • Trim level: Black Edition
  • 2.0L Diesel
  • Estate
  • Manual
  • 190 HP (139 kW)
  • mpg: 4.7
  • CO2: 124 g CO2/km comb.
  • Details
autouncle-certified

Good price

£12,495
DE737HL, Derbyshire
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New (2025) Audi A6 S-Line 204 HP | Good price

- Avant 2.0 TDI Quattro 204 S line

  • 2025
  • 0 miles
  • Trim level: S-Line
  • 2.0L Diesel
  • Estate
  • Automatic
  • 204 HP (150 kW)
  • mpg: 5.3
  • CO2: 139 g CO2/km comb.
  • Details
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Good price

£59,252
HP79JD Amersham, Buckinghamshire
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