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(S-Line) Audi A6 Used • 40 cars for sale – Compares prices!

Featured deals

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£28,499

Fair price

You save £901

WD258HL Watford, Hertfordshire

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

heycar

Audi A6 Avant 40 TDI Quattro S Line 5dr S Tronic

£31,400

Fair price

You save £300

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Sport 5dr S Tronic

£17,482

Good price

You save £2,118

WC1E 7DP London, London

204 HP (150 kW) - 48.7 Mpg

heycar

Audi A4 Avant 40 TDI Quattro S Line 5dr S Tronic

£21,900

Fair price

Estimated price £21,053

NN55DH Northampton, Northamptonshire

188 HP (138 kW)

heycar

Mercedes CLA220 CLAAMG Line Premium Plus 4dr Tip Auto

£23,790

Fair price

You save £510

SG85DQ Royston, Hertfordshire

188 HP (138 kW) - 55.4 Mpg

heycar

Mercedes E220 E-Class Estate (2020/69)E 220 d AMG Line Night Edition Premium Plus 9G-Tronic Plus auto 5d

£22,180

Good price

You save £1,320

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 41.5 Mpg

heycar

Mercedes CLA220 CLAAMG Line Premium 4dr Tip Auto

£30,000

Fair price

Estimated price £29,481

PR54JB Preston, Lancashire

188 HP (138 kW)

heycar

BMW 520 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Fair price

You save £1

SG61BL Letchworth, Hertfordshire

188 HP (138 kW)

Carwow

Mercedes E220 - E-Class Estate200 AMG Line 5dr 9G-Tronic

£32,200

Fair price

Estimated price £31,717

WD33RT Watford, Hertfordshire

133 g CO2/km comb. - 200 HP (147 kW) - 5.1 Mpg

Carwow

Mercedes E220 - E-Class Estate200 AMG Line Night Ed Prem+ 5dr 9G-Tronic

£29,787

Fair price

Estimated price £28,969

EN88DY, Hertfordshire

144 g CO2/km comb. - 200 HP (147 kW) - 5.4 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line Premium 4dr 9G-Tronic

£21,800

Good price

You save £1,600

WD33RT Watford, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

Carwow

BMW 520 - 5 Series d M Sport 4dr Auto

£22,600

Fair price

Estimated price £22,376

WD33RT Watford, Hertfordshire

160 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

Mercedes CLA220 -AMG Line Premium 4dr Tip Auto

£25,300

Good price

You save £2,300

WD33RT Watford, Hertfordshire

132 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

BMW 520 - 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Super price

You save £3,401

SG61BL, Hertfordshire

135 g CO2/km comb. - 190 HP (139 kW) - 5.1 Mpg

heycar

BMW 520 5 Series Touring d xDrive M Sport 5dr Auto

£18,990

Fair price

You save £710

PO198TX Chichester, West Sussex

188 HP (138 kW)

heycar

Mercedes E220 E-Class Coupe (2019/19)E 220 d AMG Line 9G-Tronic Plus auto 2d

£20,771

Super price

You save £3,129

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 43.5 Mpg

heycar

Mercedes E220 E-Class4Matic AMG Line 4dr 9G-Tronic

£20,995

Good price

You save £1,305

WD188XN Watford, Hertfordshire

135 g CO2/km comb. - 192 HP (141 kW)

Carwow

BMW 320 - 3 Series d M Sport 4dr Step Auto

£21,250

Fair price

You save £850

WD33RT Watford, Hertfordshire

137 g CO2/km comb. - 190 HP (139 kW) - 5.2 Mpg

Carwow

Mercedes E220 - E-Class EstateAMG Line Premium 5dr 9G-Tronic

£18,850

Super price

You save £3,450

CM233LJ, Hertfordshire

135 g CO2/km comb. - 194 HP (142 kW) - 6.0 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line 4dr 9G-Tronic

£19,950

Fair price

You save £250

HA36AG, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Sort

Audi A6 40 TDI S Line 4dr S Tronic

WD258HL Watford, Hertfordshire

Fair price

You save £901

WD258HL Watford, Hertfordshire

Visit heycar

Dealer

Audi A6 Avant (2016/16)3.0 TDI (272bhp) Quattro S Line 5d S Tronic

Radlett, Hertfordshire

Fair price

You save £605

Radlett, Hertfordshire

Visit Parkers.co.uk

Dealer

Audi A6 3.0 TDI V6 50 S line Saloon 4dr Diesel Tiptronic quattro Euro 6 (s/s) (286 ps)

WD18 8UA Watford, Hertfordshire

Fair price

You save £1,101

WD18 8UA Watford, Hertfordshire

Visit Desperateseller.co.uk

Dealer

Audi A6 2.0 TDI 40 S line Estate 5dr Diesel S Tronic Euro 6 (s/s) (204 ps)

AL2 3NY St Albans, Hertfordshire

Expensive

Estimated price £17,558

AL2 3NY St Albans, Hertfordshire

Visit Desperateseller.co.uk

Dealer

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Good price

Audi A6 Avant S line 40 TDI 204 PS S tronic

Good price

Audi A6 2.0 TDI 40 S line S Tronic Euro 6 (s/s) 4dr Saloon

Good price

Audi A6 40 TDI S Line 4dr S Tronic

Good price

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Super price

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Good price

Featured deals

heycar

Mercedes CLA220 CLAAMG Line Premium Plus 4dr Tip Auto

£23,790

Fair price

You save £510

SG85DQ Royston, Hertfordshire

188 HP (138 kW) - 55.4 Mpg

heycar

Mercedes E220 E-Class Estate (2020/69)E 220 d AMG Line Night Edition Premium Plus 9G-Tronic Plus auto 5d

£22,180

Good price

You save £1,320

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 41.5 Mpg

heycar

Mercedes CLA220 CLAAMG Line Premium 4dr Tip Auto

£30,000

Fair price

Estimated price £29,481

PR54JB Preston, Lancashire

188 HP (138 kW)

heycar

BMW 520 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Fair price

You save £1

SG61BL Letchworth, Hertfordshire

188 HP (138 kW)

Carwow

Mercedes E220 - E-Class Estate200 AMG Line 5dr 9G-Tronic

£32,200

Fair price

Estimated price £31,717

WD33RT Watford, Hertfordshire

133 g CO2/km comb. - 200 HP (147 kW) - 5.1 Mpg

Carwow

Mercedes E220 - E-Class Estate200 AMG Line Night Ed Prem+ 5dr 9G-Tronic

£29,787

Fair price

Estimated price £28,969

EN88DY, Hertfordshire

144 g CO2/km comb. - 200 HP (147 kW) - 5.4 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line Premium 4dr 9G-Tronic

£21,800

Good price

You save £1,600

WD33RT Watford, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

Carwow

BMW 520 - 5 Series d M Sport 4dr Auto

£22,600

Fair price

Estimated price £22,376

WD33RT Watford, Hertfordshire

160 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

Mercedes CLA220 -AMG Line Premium 4dr Tip Auto

£25,300

Good price

You save £2,300

WD33RT Watford, Hertfordshire

132 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

BMW 520 - 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Super price

You save £3,401

SG61BL, Hertfordshire

135 g CO2/km comb. - 190 HP (139 kW) - 5.1 Mpg

heycar

BMW 520 5 Series Touring d xDrive M Sport 5dr Auto

£18,990

Fair price

You save £710

PO198TX Chichester, West Sussex

188 HP (138 kW)

heycar

Mercedes E220 E-Class Coupe (2019/19)E 220 d AMG Line 9G-Tronic Plus auto 2d

£20,771

Super price

You save £3,129

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 43.5 Mpg

heycar

Mercedes E220 E-Class4Matic AMG Line 4dr 9G-Tronic

£20,995

Good price

You save £1,305

WD188XN Watford, Hertfordshire

135 g CO2/km comb. - 192 HP (141 kW)

Carwow

BMW 320 - 3 Series d M Sport 4dr Step Auto

£21,250

Fair price

You save £850

WD33RT Watford, Hertfordshire

137 g CO2/km comb. - 190 HP (139 kW) - 5.2 Mpg

Carwow

Mercedes E220 - E-Class EstateAMG Line Premium 5dr 9G-Tronic

£18,850

Super price

You save £3,450

CM233LJ, Hertfordshire

135 g CO2/km comb. - 194 HP (142 kW) - 6.0 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line 4dr 9G-Tronic

£19,950

Fair price

You save £250

HA36AG, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£28,499

Fair price

You save £901

WD258HL Watford, Hertfordshire

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

heycar

Audi A6 Avant 40 TDI Quattro S Line 5dr S Tronic

£31,400

Fair price

You save £300

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Sport 5dr S Tronic

£17,482

Good price

You save £2,118

WC1E 7DP London, London

204 HP (150 kW) - 48.7 Mpg

heycar

Audi A4 Avant 40 TDI Quattro S Line 5dr S Tronic

£21,900

Fair price

Estimated price £21,053

NN55DH Northampton, Northamptonshire

188 HP (138 kW)

Dealer

Audi A6 40 TDI Quattro S Line 4dr S Tronic

Good price

Audi A6 Avant 40 TDI Quattro S Line 5dr S Tronic

Fair price

Audi A6 40 TDI S Line 4dr S Tronic

Fair price

Estimated price £18,501

Delivered to you

Visit heycar

Dealer

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Fair price

Estimated price £20,793

Delivered to you

Visit Buyacar

Dealer

Audi A6 40 TDI Quattro S Line 4dr S Tronic [Tech Pack] Diesel Saloon

Fair price

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

Fair price

Estimated price £32,368

Delivered to you

Visit Buyacar

Dealer

Audi A6 40 TDI S Line 4dr S Tronic

Fair price

Estimated price £27,488

Delivered to you

Visit Buyacar

Dealer

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Fair price

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

Fair price

Estimated price £16,893

Delivered to you

Visit Buyacar

Dealer

Audi A6 40 TDI S Line 4dr S Tronic

WC1E 7DP London, London

Fair price

You save £603

WC1E 7DP London, London

Visit Carsite.co.uk

Featured deals

Carwow

Mercedes E220 - E-Class Estate200 AMG Line 5dr 9G-Tronic

£32,200

Fair price

Estimated price £31,717

WD33RT Watford, Hertfordshire

133 g CO2/km comb. - 200 HP (147 kW) - 5.1 Mpg

Carwow

Mercedes E220 - E-Class Estate200 AMG Line Night Ed Prem+ 5dr 9G-Tronic

£29,787

Fair price

Estimated price £28,969

EN88DY, Hertfordshire

144 g CO2/km comb. - 200 HP (147 kW) - 5.4 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line Premium 4dr 9G-Tronic

£21,800

Good price

You save £1,600

WD33RT Watford, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

Carwow

BMW 520 - 5 Series d M Sport 4dr Auto

£22,600

Fair price

Estimated price £22,376

WD33RT Watford, Hertfordshire

160 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

Mercedes CLA220 -AMG Line Premium 4dr Tip Auto

£25,300

Good price

You save £2,300

WD33RT Watford, Hertfordshire

132 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

BMW 520 - 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Super price

You save £3,401

SG61BL, Hertfordshire

135 g CO2/km comb. - 190 HP (139 kW) - 5.1 Mpg

heycar

BMW 520 5 Series Touring d xDrive M Sport 5dr Auto

£18,990

Fair price

You save £710

PO198TX Chichester, West Sussex

188 HP (138 kW)

heycar

Mercedes E220 E-Class Coupe (2019/19)E 220 d AMG Line 9G-Tronic Plus auto 2d

£20,771

Super price

You save £3,129

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 43.5 Mpg

heycar

Mercedes E220 E-Class4Matic AMG Line 4dr 9G-Tronic

£20,995

Good price

You save £1,305

WD188XN Watford, Hertfordshire

135 g CO2/km comb. - 192 HP (141 kW)

Carwow

BMW 320 - 3 Series d M Sport 4dr Step Auto

£21,250

Fair price

You save £850

WD33RT Watford, Hertfordshire

137 g CO2/km comb. - 190 HP (139 kW) - 5.2 Mpg

Carwow

Mercedes E220 - E-Class EstateAMG Line Premium 5dr 9G-Tronic

£18,850

Super price

You save £3,450

CM233LJ, Hertfordshire

135 g CO2/km comb. - 194 HP (142 kW) - 6.0 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line 4dr 9G-Tronic

£19,950

Fair price

You save £250

HA36AG, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£28,499

Fair price

You save £901

WD258HL Watford, Hertfordshire

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

heycar

Audi A6 Avant 40 TDI Quattro S Line 5dr S Tronic

£31,400

Fair price

You save £300

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Sport 5dr S Tronic

£17,482

Good price

You save £2,118

WC1E 7DP London, London

204 HP (150 kW) - 48.7 Mpg

heycar

Audi A4 Avant 40 TDI Quattro S Line 5dr S Tronic

£21,900

Fair price

Estimated price £21,053

NN55DH Northampton, Northamptonshire

188 HP (138 kW)

heycar

Mercedes CLA220 CLAAMG Line Premium Plus 4dr Tip Auto

£23,790

Fair price

You save £510

SG85DQ Royston, Hertfordshire

188 HP (138 kW) - 55.4 Mpg

heycar

Mercedes E220 E-Class Estate (2020/69)E 220 d AMG Line Night Edition Premium Plus 9G-Tronic Plus auto 5d

£22,180

Good price

You save £1,320

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 41.5 Mpg

heycar

Mercedes CLA220 CLAAMG Line Premium 4dr Tip Auto

£30,000

Fair price

Estimated price £29,481

PR54JB Preston, Lancashire

188 HP (138 kW)

heycar

BMW 520 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Fair price

You save £1

SG61BL Letchworth, Hertfordshire

188 HP (138 kW)

Dealer

Audi A6 Avant 40 TDI Quattro S Line 5dr S Tronic

Fair price

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

Fair price

Audi A6 50 TDI Quattro S Line 4dr Tip Auto

Fair price

Estimated price £21,811

Delivered to you

Visit Buyacar

Dealer

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Fair price

Audi A6 Avant 40 TDI S Line 5dr S Tronic

Fair price

Estimated price £25,026

Delivered to you

Visit Buyacar

Featured deals

Carwow

Mercedes CLA220 -AMG Line Premium 4dr Tip Auto

£25,300

Good price

You save £2,300

WD33RT Watford, Hertfordshire

132 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

BMW 520 - 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Super price

You save £3,401

SG61BL, Hertfordshire

135 g CO2/km comb. - 190 HP (139 kW) - 5.1 Mpg

heycar

BMW 520 5 Series Touring d xDrive M Sport 5dr Auto

£18,990

Fair price

You save £710

PO198TX Chichester, West Sussex

188 HP (138 kW)

heycar

Mercedes E220 E-Class Coupe (2019/19)E 220 d AMG Line 9G-Tronic Plus auto 2d

£20,771

Super price

You save £3,129

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 43.5 Mpg

heycar

Mercedes E220 E-Class4Matic AMG Line 4dr 9G-Tronic

£20,995

Good price

You save £1,305

WD188XN Watford, Hertfordshire

135 g CO2/km comb. - 192 HP (141 kW)

Carwow

BMW 320 - 3 Series d M Sport 4dr Step Auto

£21,250

Fair price

You save £850

WD33RT Watford, Hertfordshire

137 g CO2/km comb. - 190 HP (139 kW) - 5.2 Mpg

Carwow

Mercedes E220 - E-Class EstateAMG Line Premium 5dr 9G-Tronic

£18,850

Super price

You save £3,450

CM233LJ, Hertfordshire

135 g CO2/km comb. - 194 HP (142 kW) - 6.0 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line 4dr 9G-Tronic

£19,950

Fair price

You save £250

HA36AG, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£28,499

Fair price

You save £901

WD258HL Watford, Hertfordshire

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

heycar

Audi A6 Avant 40 TDI Quattro S Line 5dr S Tronic

£31,400

Fair price

You save £300

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Sport 5dr S Tronic

£17,482

Good price

You save £2,118

WC1E 7DP London, London

204 HP (150 kW) - 48.7 Mpg

heycar

Audi A4 Avant 40 TDI Quattro S Line 5dr S Tronic

£21,900

Fair price

Estimated price £21,053

NN55DH Northampton, Northamptonshire

188 HP (138 kW)

heycar

Mercedes CLA220 CLAAMG Line Premium Plus 4dr Tip Auto

£23,790

Fair price

You save £510

SG85DQ Royston, Hertfordshire

188 HP (138 kW) - 55.4 Mpg

heycar

Mercedes E220 E-Class Estate (2020/69)E 220 d AMG Line Night Edition Premium Plus 9G-Tronic Plus auto 5d

£22,180

Good price

You save £1,320

SG14QT Stevenage, Hertfordshire

192 HP (141 kW) - 41.5 Mpg

heycar

Mercedes CLA220 CLAAMG Line Premium 4dr Tip Auto

£30,000

Fair price

Estimated price £29,481

PR54JB Preston, Lancashire

188 HP (138 kW)

heycar

BMW 520 5 Series Touring d MHT M Sport 5dr Step Auto

£28,899

Fair price

You save £1

SG61BL Letchworth, Hertfordshire

188 HP (138 kW)

Carwow

Mercedes E220 - E-Class Estate200 AMG Line 5dr 9G-Tronic

£32,200

Fair price

Estimated price £31,717

WD33RT Watford, Hertfordshire

133 g CO2/km comb. - 200 HP (147 kW) - 5.1 Mpg

Carwow

Mercedes E220 - E-Class Estate200 AMG Line Night Ed Prem+ 5dr 9G-Tronic

£29,787

Fair price

Estimated price £28,969

EN88DY, Hertfordshire

144 g CO2/km comb. - 200 HP (147 kW) - 5.4 Mpg

Carwow

Mercedes E220 - E-ClassAMG Line Premium 4dr 9G-Tronic

£21,800

Good price

You save £1,600

WD33RT Watford, Hertfordshire

127 g CO2/km comb. - 194 HP (142 kW) - 5.5 Mpg

Carwow

BMW 520 - 5 Series d M Sport 4dr Auto

£22,600

Fair price

Estimated price £22,376

WD33RT Watford, Hertfordshire

160 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive