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(S-Line) Audi A6 used • 615 cars with price check

Featured deals

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

£19,999

Super price

You save £3,701

TS183RW, Durham

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

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Audi A6 Saloon 2.0 TFSI 40 Black Edition Saloon 4dr Petrol S Tronic Euro 6 (s/s) (204 ps)

£22,700

Fair price

You save £100

CM13BH Chelmsford, Essex

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

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Audi A6 - 40 TDI Sport 4dr S Tronic

£18,295

Super price

You save £2,605

BB11NE, Lancashire

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

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Audi A6 Avant 2021 | 2.0 TDI 40 Black Edition S Tronic Euro 6 (s/s) 5dr

£22,902

Fair price

Estimated price £22,794

NR32AW, Norfolk

154 g CO2/km comb. - 204 HP (150 kW) - 5.9 Mpg

-2%

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

40 TDI S Line 4dr S Tronic

2021
80,170 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 5.4
CO2: 142 g CO2/km comb.
Details

Good price

£18,795

£19,295

ST37PG Hinckley, Staffordshire

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-7%

1 / 2

Used (2021) Audi A6 S-Line 245 HP | Super price

Saloon 40 TDI S Line 5dr S

2021
72,900 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
245 HP (180 kW)
mpg: 5.7
CO2: 149 g CO2/km comb.
Details

Super price

£19,595

£21,295

WV100AF Hinckley, West Midlands

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1 / 2

Used (2022) Audi A6 S-Line 204 HP | Good price

40 TFSI S Line 4dr S Tronic [Tech

2022
39,730 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 7.1
CO2: 162 g CO2/km comb.
Details

Good price

£22,395

S802QD Hinckley, Nottinghamshire

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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

Good price

£58,855

BA228RT, Somerset

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New

1 / 1

Used (2018) Audi A6 S-Line 190 HP | Good price

- Avant 2.0 TDI Ultra S Line 5dr

2018
57,000 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
mpg: 4.5
CO2: 118 g CO2/km comb.
Details

Good price

£14,650

DE655FJ Hilton, Derbyshire

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-2%

1 / 4

Used (2017) Audi A6 S-Line | Good price

2.0 TDI ultra S line S Tronic Euro

2017
78,729 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
Details

Good price

£11,999

£12,250

Dealer

ST1 3JE Fenton, Staffordshire

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-3%

1 / 4

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

40 TDI S Line 5dr S Tronic

2019
46,796 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 46.3
Details

Good price

£20,400

£21,200

Dealer

IP1 5QL Ipswich, Suffolk

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-7%

1 / 2

Used (2023) Audi A6 S-Line 201 HP | Good price

Avant 40 TFSI S Line 5dr S Tronic

2023
30,903 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
201 HP (147 kW)
Details

Good price

£27,142

£29,246

Dealer

WC1E 7DP London, London

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New

1 / 1

Used (2022) Audi A6 S-Line 204 HP | Good price

40 TFSI S Line 4dr S Tronic [Tech

2022
39,008 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 37.7
Details

Good price

£22,750

Dealer

BL9 6HH Bury, Manchester

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-5%

1 / 4

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

2.0 TDI ultra S line

2015
94,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Manual
190 HP (139 kW)
mpg: 64
Details

Good price

£8,295

£8,795

Dealer

WS9 0NF Walsall, West Midlands

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

£23,699

Super price

You save £4,301

CW73AL, Cheshire

184 g CO2/km comb. - 286 HP (210 kW) - 6.9 Mpg

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

£21,940

Super price

You save £3,860

KY127RD

162 g CO2/km comb. - 204 HP (150 kW) - 40.0 Mpg

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Audi A6 -Avant 40 TDI S Line 5dr Tronic

£20,400

Super price

You save £3,000

WS111SL, Staffordshire

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

Carwow

Audi A6 -Avant 40 TDI S Line 5dr Tronic

£20,399

Super price

You save £3,001

CW73AL, Cheshire

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

-4%

1 / 3

Used (2022) Audi A6 S-Line 204 HP | Good price

40 TFSI S Line 4dr S Tronic [Tech

2022
80,559 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 37.7
Details

Good price

£18,441

£19,343

Dealer

PE1 5PE Peterborough, Cambridgeshire

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-3%

1 / 2

Used (2022) Audi A6 S-Line 200 HP | Good price

40 TDI Quattro S Line 4dr S Tronic

2022
55,462 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
200 HP (147 kW)
Details

Good price

£23,999

£24,845

Dealer

TS18 3UR Stockton on Tees, Durham

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-3%

1 / 3

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

40 TDI S Line 4dr S Tronic

2019
52,960 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 48.7
Details

Good price

£18,100

£18,850

Dealer

WD3 3RT Watford, Hertfordshire

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-5%

1 / 4

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

DIESEL AVANT 40 TDI S Line 5dr S

2019
45,590 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 60.1
CO2: 124 g CO2/km comb.
Details

Good price

£20,399

£21,499

Dealer

M41 7TB Trafford Park, Manchester

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1 / 4

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

2.0 TDI 40 S line Estate 5dr

2019
65,149 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 46.3
Details

Good price

£19,150

£19,300

Dealer

DE65 5FJ Derby, Derbyshire

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-5%

1 / 2

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

40 Tdi S Line 5Dr S Tronic

2019
79,317 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
Details

Good price

£17,498

£18,499

Dealer

WC1E 7DP London, London

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-4%

1 / 4

Used (2018) Audi A6 S-Line 190 HP | Good price

2.0 TDI Ultra S Line 4dr

Feb 2018
72,910 miles
Trim level: S-Line
2.0L Diesel
Sedan
Manual
190 HP (139 kW)
CO2: 114 g CO2/km comb.
Details

Good price

£11,790

£12,399

Dealer

WC1E 7DP London, London

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-6%

1 / 4

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

DIESEL AVANT 40 TDI S Line 5dr S

2019
39,940 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 60.1
CO2: 124 g CO2/km comb.
Details

Good price

£20,799

£22,199

Dealer

CW7 3AL Winsford, Cheshire

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

40 TDI S Line 5dr S Tronic

2019
90,021 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 46.3
Details

Good price

£16,700

Dealer

IP1 5QL Ipswich, Suffolk

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-10%

1 / 4

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

40 TDI S Line 5dr S Tronic

2019
94,702 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
Details

Good price

£15,999

£17,799

Dealer

YO19 4SH York, North Yorkshire

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Carwow

Audi A6 - 40 TDI S Line 4dr Tronic

£17,295

Fair price

You save £605

LE167TB, Leicestershire

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

Carwow

Audi A6 - 40 TFSI Sport 4dr S Tronic

£19,199

Fair price

You save £501

B330LD Birmingham, West Midlands

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

Carwow

Audi A6 - Avant 40 TDI S Line 5dr Tronic

£19,849

Super price

You save £2,751

EX28NT, Devon

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

Carwow

Audi A6 SALOON 45 TFSI 265 Quattro Sport 4dr S Tronic [ LED Interior Ambient Lighting Pack , Technology Pack , parking system plus - acoustic and visual park assist system for front and rear , Rear view camera ]

£21,199

Fair price

You save £401

CW73AL, Cheshire

173 g CO2/km comb. - 265 HP (194 kW) - 7.5 Mpg

-1%

1 / 4

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

40 TDI S Line 4dr S Tronic

2019
52,456 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
Details

Good price

£18,149

£18,499

Dealer

Delivered to you

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-14%

1 / 4

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

2.0 TDI Ultra S Line 4dr

2015
112,553 miles
Trim level: S-Line
2.0L Diesel
Sedan
Manual
190 HP (139 kW)
mpg: 64
Details

Super price

£5,995

£6,995

Dealer

WF16 0NL Heckmondwike, West Yorkshire

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-6%

1 / 3

Used (2022) Audi A6 S-Line | Good price

2.0 TDI 40 S line S Tronic quattro

2022
47,750 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
Details

Good price

£26,795

£28,795

Dealer

BL1 3DE Bolton, Manchester

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-1%

1 / 3

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

50 TDI Quattro S Line 4dr Tip

2019
87,202 miles
Trim level: S-Line
3.0L Diesel
Sedan
Automatic
286 HP (210 kW)
mpg: 39.8
Details

Good price

£17,999

£18,299

Dealer

S41 9AJ Chesterfield, Derbyshire

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-10%

1 / 3

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

40 TDI S Line 5dr S Tronic

2019
67,477 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 46.3
Details

Super price

£17,680

£19,700

Dealer

SG1 4QT Stevenage, Hertfordshire

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Featured deals

Carwow

Audi A6 - 40 TDI S Line 4dr Tronic

£20,832

Fair price

You save £868

MK429XE Huntingdon, Bedfordshire

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

Carwow

Audi A6 Saloon 2.0 TFSI 40 Black Edition Saloon 4dr Petrol S Tronic Euro 6 (s/s) (204 ps)

£23,700

Fair price

Estimated price £23,267

CM13BH Chelmsford, Essex

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

Carwow

Audi A6 40 TFSI S Line 4dr S Tronic Petrol Saloon

£20,809

Fair price

You save £591

LE27JU, Leicestershire

163 g CO2/km comb. - 204 HP (150 kW) - 39.0 Mpg

Carwow

Audi A6 2.0 TFSI 40 S line S Tronic Euro 6 (s/s) 5dr HEATED SEATS REVERSING CAMERA Estate

£17,395

Fair price

You save £305

ST37PG Hinckley, Staffordshire

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

Showing 26 - 50 of 607 results