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(S-Line) Audi A6 used • 661 cars with price check

Featured deals

heycar

Audi A6 40 TFSI Sport 4dr S Tronic - 2022 (72)

£23,470

Super price

You save £2,930

N200PT Whetstone, London

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

heycar

Audi A6 -Avant 40 TFSI Sport 5dr S Tronic [Tech Pack]

£27,188

Super price

You save £3,912

MK429XE Bedford, Bedfordshire

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

heycar

Audi A6 40 TFSI Sport 5dr S Tronic - 2022 (22)

£26,795

Good price

You save £2,605

CM25PX Chelmsford, Essex

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

heycar

Audi A6 Avant 40 TFSI Sport 5dr S Tronic [Tech Pack]

£20,649

Good price

You save £2,251

MK429XE Bedford, Bedfordshire

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

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

DIESEL AVANT 40 TDI S Line 5dr S

CW7 3AL Winsford, Cheshire

Good price

You save £1,501

CW7 3AL Winsford, Cheshire

Visit Motors.co.uk

Dealer

Used (2010) Audi A6 S-Line | Super price

2.0 TDIe S Line 5dr

BD1 3EQ Bradford, West Yorkshire

Super price

You save £1,450

BD1 3EQ Bradford, West Yorkshire

Visit Motors.co.uk

Dealer

Used (2014) Audi A6 S-Line | Good price

Saloon (2014/14)2.0 TDI S Line

BL9 9HR Bury, Manchester

Good price

You save £1,375

BL9 9HR Bury, Manchester

Visit Parkers.co.uk

Dealer

Used (2016) Audi A6 S-Line | Good price

2.0 TDI Ultra S Line 5dr

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Avant (2019/69)S Line 40 TDI 204PS

TS9 5GB Middlesbrough, North Yorkshire

Good price

You save £1,705

TS9 5GB Middlesbrough, North Yorkshire

Visit Motors.co.uk

Dealer

Used (2014) Audi A6 S-Line 313 HP | Good price

Saloon (2014/63)3.0 BiTDI Quattro

M41 9AP Manchester, Manchester

Good price

You save £1,505

M41 9AP Manchester, Manchester

Visit Parkers.co.uk

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

Avant 2.0 TDI 40 S line Estate 5dr

NE66 2NN Alnwick, Northumberland

Good price

You save £1,901

NE66 2NN Alnwick, Northumberland

Visit Parkers.co.uk

Dealer

Used (2020) Audi A6 S-Line 204 HP | Super price

Saloon 40 TDI S Line 5dr S

PE7 2PD Peterborough, Cambridgeshire

Super price

You save £3,750

PE7 2PD Peterborough, Cambridgeshire

Visit Motors.co.uk

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

40 TDI S Line 5dr S Tronic

Good price

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

Saloon 2.0 TDI 40 S line Saloon

LU3 3AN Luton, Bedfordshire

Good price

You save £1,305

LU3 3AN Luton, Bedfordshire

Visit Parkers.co.uk

Featured deals

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic [Tech]

£24,935

Fair price

You save £165

MK429XE Bedford, Bedfordshire

152 g CO2/km comb. - 204 HP (150 kW) - 5.8 Mpg

heycar

Audi A6 AVANT Sport

£27,148

Super price

You save £3,152

TA12BB Taunton, Somerset

204 HP (150 kW)

heycar

Audi A6 50 TDI Quattro S Line 4dr Tip Auto

£24,950

Fair price

Estimated price £24,056

B904BQ Solihull, West Midlands

146 g CO2/km comb. - 286 HP (210 kW) - 39.8 Mpg

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic Diesel Saloon

£26,666

Fair price

You save £534

NG5 6GZ Arnold, Nottinghamshire

148 g CO2/km comb. - 204 HP (150 kW) - 50.0 Mpg

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

Saloon 40 TDI S Line 5dr S

SR2 8NT Sunderland, Tyne and Wear

Good price

You save £1,901

SR2 8NT Sunderland, Tyne and Wear

Visit Motors.co.uk

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

Saloon 40 TDI S Line 5dr S

PE7 2PD Peterborough, Cambridgeshire

Good price

You save £1,050

PE7 2PD Peterborough, Cambridgeshire

Visit Motors.co.uk

Dealer

Used (2019) Audi A6 S-Line 204 HP | Super price

2.0 TDI 40 S line Estate 5dr

SS14 3AU Basildon, Essex

Super price

You save £2,550

SS14 3AU Basildon, Essex

Visit Motors.co.uk

Dealer

Used (2012) Audi A6 S-Line 177 HP | Good price

2.0 TDI S line Saloon 4dr Diesel

Good price

You save £1,005

AB43 9TA Fraserburgh

Visit Exchange and Mart

Dealer

Used (2019) Audi A6 S-Line 286 HP | Super price

50 TDI Quattro S Line 4dr Tip

WD18 8UA Watford, Hertfordshire

Super price

You save £3,401

WD18 8UA Watford, Hertfordshire

Visit Parkers.co.uk

Dealer

Used (2016) Audi A6 S-Line | Good price

2.0 TDI Ultra S Line 5dr

MK40 4JX Bedford, Bedfordshire

Good price

You save £900

MK40 4JX Bedford, Bedfordshire

Visit Parkers.co.uk

Dealer

Used (2016) Audi A6 S-Line | Good price

3.0 TDI S Line 5dr S Tronic

HP11 1JU High Wycombe, Buckinghamshire

Good price

You save £905

HP11 1JU High Wycombe, Buckinghamshire

Visit Parkers.co.uk

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

2.0 TDI 40 S line Saloon 4dr

SK5 7BS Stockport, Manchester

Good price

You save £2,020

SK5 7BS Stockport, Manchester

Visit Motors.co.uk

Dealer

Used (2019) Audi A6 S-Line 204 HP | Good price

2.0 TDI 40 S line Saloon 4dr

SS14 3AU Basildon, Essex

Good price

You save £1,650

SS14 3AU Basildon, Essex

Visit Exchange and Mart

Dealer

New (2025) Audi A6 S-Line 295 HP | Super price

2.0 e-Hybrid Qtro 299 Launch

Super price

You save £6,019

Delivered to you

Visit Buyacar

Featured deals

heycar

Audi A6 SALOON Black Edition 40 TDI 204 PS S tronic

£23,490

Fair price

You save £110

ME143AA Maidstone, Kent

119 g CO2/km comb. - 204 HP (150 kW) - 60.1 Mpg

heycar

Audi A6 Avant 50 TDI Quattro S Line 5dr Tip Auto

£21,990

Fair price

You save £810

KT121NR Walton on Thames, Surrey

282 HP (207 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£19,095

Fair price

Estimated price £18,880

NR70TA Norwich, Norfolk

146 g CO2/km comb. - 204 HP (150 kW)

heycar

Audi A6 2.0 TDI 40 S line S Tronic Euro 6 (s/s) 5dr

£20,290

Super price

You save £3,910

WF43BB Wakefield, West Yorkshire

153 g CO2/km comb. - 204 HP (150 kW)

Dealer

Used (2010) Audi A6 S-Line 170 HP | Good price

2.0 TDI 170 S Line Special Ed 5dr

Good price

Used (2015) Audi A6 S-Line 190 HP | Good price

2.0 TDI Ultra S Line 5dr S

Good price

Used (2012) Audi A6 S-Line | Super price

3.0 TDI S Line 5dr Multitronic

WV11 3QG Wolverhampton, West Midlands

Super price

You save £1,900

WV11 3QG Wolverhampton, West Midlands

Visit Motors.co.uk

Dealer

Used (2019) Audi A6 S-Line 286 HP | Good price

Avant (2019/19)S Line 50 TDI 286PS

MK45 3BT Wilstead, Bedfordshire

Good price

You save £1,605

MK45 3BT Wilstead, Bedfordshire

Visit Motors.co.uk

Dealer

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

40 TFSI S Line 4dr S Tronic [Tech

Good price

You save £1,350

TRILLICK

Visit Parkers.co.uk

Featured deals

heycar

Audi A6 40 TFSI S Line 4dr S Tronic [Tech Pack]

£26,980

Fair price

You save £520

ST161GZ Stafford, Staffordshire

204 HP (150 kW)

heycar

Audi A6 40 TFSI Sport 4dr S Tronic [Tech Pack]

£23,350

Good price

You save £2,450

SK30HX Stockport, Manchester

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

heycar

Audi A6 40 TDI Quattro Black Edition 5dr S Tronic [Tech] - 2021 (21)

£23,999

Fair price

You save £301

NR337NA Lowestoft, Suffolk

158 g CO2/km comb. - 204 HP (150 kW)

heycar

Audi A6 AVANT S Line

£23,236

Good price

You save £1,664

DA51BZ Bexley, London

204 HP (150 kW)

Page 3 of 29:

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

Used (2010) Audi A6 S-Line | Super price

Super price

Used (2014) Audi A6 S-Line | Good price

Good price

Used (2016) Audi A6 S-Line | Good price

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

Used (2014) Audi A6 S-Line 313 HP | Good price

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

Used (2020) Audi A6 S-Line 204 HP | Super price

Super price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

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

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

Used (2019) Audi A6 S-Line 204 HP | Super price

Super price

Used (2012) Audi A6 S-Line 177 HP | Good price

Good price

Used (2019) Audi A6 S-Line 286 HP | Super price

Super price

Used (2016) Audi A6 S-Line | Good price

Good price

Used (2016) Audi A6 S-Line | Good price

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

Used (2019) Audi A6 S-Line 204 HP | Good price

Good price

New (2025) Audi A6 S-Line 295 HP | Super price

Super price

Used (2010) Audi A6 S-Line 170 HP | Good price

Good price

Used (2015) Audi A6 S-Line 190 HP | Good price

Good price

Used (2012) Audi A6 S-Line | Super price

Super price

Used (2019) Audi A6 S-Line 286 HP | Good price

Good price

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

Good price

Other trim level for Audi A6