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(S-Line) Audi A6 Used • 79 cars for sale – Compares prices!

Featured deals

heycar

Audi A6 Avant 40 TDI Black Edition 5dr S Tronic

£28,389

Fair price

You save £111

PL254TR St Austell, Cornwall

204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,702

Super price

You save £2,798

BR67QR Orpington, London

35 g CO2/km comb. - 299 HP (219 kW) - 1.5 Mpg

heycar

Audi A6 Avant 40 TDI Quattro Sport 5dr S Tronic

£27,542

Good price

You save £2,458

BR67QR Orpington, London

151 g CO2/km comb. - 204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 SALOON 40 TFSI Sport 4dr S Tronic

£23,620

Super price

You save £4,980

CR52AR Croydon, London

204 HP (150 kW) - 39.2 Mpg

heycar

Audi A6 AVANT 50 TDI Quattro S Line 5dr Tip Auto [Tech Pack]

£28,920

Fair price

Estimated price £27,941

DA51BZ Bexley, London

286 HP (210 kW) - 48.7 Mpg

heycar

Audi A6 Avant 40 TFSI S Line 5dr S Tronic

£33,800

Fair price

Estimated price £33,029

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic

£26,300

Fair price

You save £300

WC1E 7DP London, London

121 g CO2/km comb. - 201 HP (147 kW) - 62.8 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,970

Fair price

Estimated price £23,579

N200PT Whetstone, London

35 g CO2/km comb. - 299 HP (219 kW)

heycar

Audi A6 Avant 40 TDI S Line 5dr S Tronic

£23,250

Fair price

Estimated price £23,055

TW89BQ Brentford, London

201 HP (147 kW)

heycar

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

£27,900

Super price

You save £3,500

E48JA Chingford, London

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

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£24,200

Fair price

Estimated price £23,477

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£23,884

Fair price

Estimated price £23,454

WC1E 7DP London, London

119 g CO2/km comb. - 201 HP (147 kW) - 60.1 Mpg

heycar

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

£26,745

Good price

You save £2,255

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 40 TFSI Sport 5dr S Tronic

£28,899

Super price

You save £4,701

WC1E 7DP London, London

201 HP (147 kW)

heycar

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

£27,399

Fair price

You save £1,401

NW36LT West Hampstead, London

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

heycar

Audi A6 40 TFSI S Line 4dr S Tronic

£26,993

Fair price

You save £1,307

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£29,995

Fair price

You save £705

N200PT Whetstone, London

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

heycar

Audi A6 40 TDI S Line 4dr S Tronic - 2021 (71)

£27,970

Fair price

You save £130

RM30YD Harold Wood, London

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

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic - 2021 (21)

£23,999

Fair price

You save £401

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 50 TFSI e 17.9kWh Qtro Sport 5dr S Tronic [C+S]

£25,685

Good price

You save £1,815

WC1E 7DP London, London

295 HP (216 kW)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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Audi A6 50 TFSI e Quattro S Line 4dr S Tronic [Tech Pack] - 2024 (74)

NW36LT West Hampstead, London

Super price

You save £5,910

NW36LT West Hampstead, London

Visit heycar

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

NW36LT West Hampstead, London

Good price

You save £2,255

NW36LT West Hampstead, London

Visit heycar

Audi A6 40 TFSI S Line 4dr S Tronic

Good price

Audi A6 -Avant 40 TDI S Line 5dr Tronic

N111GN Barnet, London

Super price

You save £3,550

N111GN Barnet, London

Visit Carwow

Dealer

Audi A6 Avant S line 40 TDI 204 PS S tronic

Good price

Audi A6 2.0 TDI S Line 4dr Multitronic

UB8 3GA Uxbridge, London

Good price

You save £1,105

UB8 3GA Uxbridge, London

Visit Parkers.co.uk

Dealer

Audi A6 40 TFSI S Line 4dr S Tronic

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 TFSI S Line 5dr S Tronic

Good price

Featured deals

heycar

Audi A6 AVANT 50 TDI Quattro S Line 5dr Tip Auto [Tech Pack]

£28,920

Fair price

Estimated price £27,941

DA51BZ Bexley, London

286 HP (210 kW) - 48.7 Mpg

heycar

Audi A6 Avant 40 TFSI S Line 5dr S Tronic

£33,800

Fair price

Estimated price £33,029

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic

£26,300

Fair price

You save £300

WC1E 7DP London, London

121 g CO2/km comb. - 201 HP (147 kW) - 62.8 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,970

Fair price

Estimated price £23,579

N200PT Whetstone, London

35 g CO2/km comb. - 299 HP (219 kW)

heycar

Audi A6 Avant 40 TDI S Line 5dr S Tronic

£23,250

Fair price

Estimated price £23,055

TW89BQ Brentford, London

201 HP (147 kW)

heycar

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

£27,900

Super price

You save £3,500

E48JA Chingford, London

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

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£24,200

Fair price

Estimated price £23,477

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£23,884

Fair price

Estimated price £23,454

WC1E 7DP London, London

119 g CO2/km comb. - 201 HP (147 kW) - 60.1 Mpg

heycar

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

£26,745

Good price

You save £2,255

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 40 TFSI Sport 5dr S Tronic

£28,899

Super price

You save £4,701

WC1E 7DP London, London

201 HP (147 kW)

heycar

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

£27,399

Fair price

You save £1,401

NW36LT West Hampstead, London

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

heycar

Audi A6 40 TFSI S Line 4dr S Tronic

£26,993

Fair price

You save £1,307

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£29,995

Fair price

You save £705

N200PT Whetstone, London

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

heycar

Audi A6 40 TDI S Line 4dr S Tronic - 2021 (71)

£27,970

Fair price

You save £130

RM30YD Harold Wood, London

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

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic - 2021 (21)

£23,999

Fair price

You save £401

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 50 TFSI e 17.9kWh Qtro Sport 5dr S Tronic [C+S]

£25,685

Good price

You save £1,815

WC1E 7DP London, London

295 HP (216 kW)

heycar

Audi A6 Avant 40 TDI Black Edition 5dr S Tronic

£28,389

Fair price

You save £111

PL254TR St Austell, Cornwall

204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,702

Super price

You save £2,798

BR67QR Orpington, London

35 g CO2/km comb. - 299 HP (219 kW) - 1.5 Mpg

heycar

Audi A6 Avant 40 TDI Quattro Sport 5dr S Tronic

£27,542

Good price

You save £2,458

BR67QR Orpington, London

151 g CO2/km comb. - 204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 SALOON 40 TFSI Sport 4dr S Tronic

£23,620

Super price

You save £4,980

CR52AR Croydon, London

204 HP (150 kW) - 39.2 Mpg

Dealer

Audi A6 40 TFSI S Line 4dr S Tronic [Tech Pack] - 2022 (72)

Good price

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

IG11 0RJ Barking, London

Good price

You save £1,274

IG11 0RJ Barking, London

Visit Desperateseller.co.uk

Dealer

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

N11 1GN London, London

Good price

You save £1,400

N11 1GN London, London

Visit Motors.co.uk

Dealer

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

Good price

Audi A6 40 TFSI S Line 4dr S Tronic

Super price

Audi A6 TDI S LINE 4-Door

UB3 5BD Hayes, London

Super price

You save £2,501

UB3 5BD Hayes, London

Visit Motors.co.uk

Dealer

Audi A6 40 TFSI S Line 4dr S Tronic

Good price

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

E48JA Chingford, London

Fair price

Estimated price £30,791

E48JA Chingford, London

Visit heycar

Audi A6 AVANT 50 TDI Quattro S Line 5dr Tip Auto [Tech Pack]

DA51BZ Bexley, London

Fair price

Estimated price £27,941

DA51BZ Bexley, London

Visit heycar

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

NW36LT West Hampstead, London

Fair price

You save £1,401

NW36LT West Hampstead, London

Visit heycar

Featured deals

heycar

Audi A6 Avant 40 TDI S Line 5dr S Tronic

£23,250

Fair price

Estimated price £23,055

TW89BQ Brentford, London

201 HP (147 kW)

heycar

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

£27,900

Super price

You save £3,500

E48JA Chingford, London

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

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£24,200

Fair price

Estimated price £23,477

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£23,884

Fair price

Estimated price £23,454

WC1E 7DP London, London

119 g CO2/km comb. - 201 HP (147 kW) - 60.1 Mpg

heycar

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

£26,745

Good price

You save £2,255

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 40 TFSI Sport 5dr S Tronic

£28,899

Super price

You save £4,701

WC1E 7DP London, London

201 HP (147 kW)

heycar

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

£27,399

Fair price

You save £1,401

NW36LT West Hampstead, London

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

heycar

Audi A6 40 TFSI S Line 4dr S Tronic

£26,993

Fair price

You save £1,307

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£29,995

Fair price

You save £705

N200PT Whetstone, London

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

heycar

Audi A6 40 TDI S Line 4dr S Tronic - 2021 (71)

£27,970

Fair price

You save £130

RM30YD Harold Wood, London

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

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic - 2021 (21)

£23,999

Fair price

You save £401

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 50 TFSI e 17.9kWh Qtro Sport 5dr S Tronic [C+S]

£25,685

Good price

You save £1,815

WC1E 7DP London, London

295 HP (216 kW)

heycar

Audi A6 Avant 40 TDI Black Edition 5dr S Tronic

£28,389

Fair price

You save £111

PL254TR St Austell, Cornwall

204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,702

Super price

You save £2,798

BR67QR Orpington, London

35 g CO2/km comb. - 299 HP (219 kW) - 1.5 Mpg

heycar

Audi A6 Avant 40 TDI Quattro Sport 5dr S Tronic

£27,542

Good price

You save £2,458

BR67QR Orpington, London

151 g CO2/km comb. - 204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 SALOON 40 TFSI Sport 4dr S Tronic

£23,620

Super price

You save £4,980

CR52AR Croydon, London

204 HP (150 kW) - 39.2 Mpg

heycar

Audi A6 AVANT 50 TDI Quattro S Line 5dr Tip Auto [Tech Pack]

£28,920

Fair price

Estimated price £27,941

DA51BZ Bexley, London

286 HP (210 kW) - 48.7 Mpg

heycar

Audi A6 Avant 40 TFSI S Line 5dr S Tronic

£33,800

Fair price

Estimated price £33,029

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic

£26,300

Fair price

You save £300

WC1E 7DP London, London

121 g CO2/km comb. - 201 HP (147 kW) - 62.8 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,970

Fair price

Estimated price £23,579

N200PT Whetstone, London

35 g CO2/km comb. - 299 HP (219 kW)

Audi A6 40 TFSI S Line 4dr S Tronic

WC1E 7DP London, London

Fair price

You save £787

WC1E 7DP London, London

Visit heycar

Audi A6 40 TDI S Line 4dr S Tronic

WC1E 7DP London, London

Fair price

You save £607

WC1E 7DP London, London

Visit heycar

Audi A6 40 TFSI S Line 4dr S Tronic

WC1E 7DP London, London

Fair price

You save £1,307

WC1E 7DP London, London

Visit heycar

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

WC1E 7DP London, London

Fair price

Estimated price £32,643

WC1E 7DP London, London

Visit heycar

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

Fair price

Featured deals

heycar

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

£26,745

Good price

You save £2,255

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 40 TFSI Sport 5dr S Tronic

£28,899

Super price

You save £4,701

WC1E 7DP London, London

201 HP (147 kW)

heycar

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

£27,399

Fair price

You save £1,401

NW36LT West Hampstead, London

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

heycar

Audi A6 40 TFSI S Line 4dr S Tronic

£26,993

Fair price

You save £1,307

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£29,995

Fair price

You save £705

N200PT Whetstone, London

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

heycar

Audi A6 40 TDI S Line 4dr S Tronic - 2021 (71)

£27,970

Fair price

You save £130

RM30YD Harold Wood, London

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

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic - 2021 (21)

£23,999

Fair price

You save £401

NW36LT West Hampstead, London

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

heycar

Audi A6 Avant 50 TFSI e 17.9kWh Qtro Sport 5dr S Tronic [C+S]

£25,685

Good price

You save £1,815

WC1E 7DP London, London

295 HP (216 kW)

heycar

Audi A6 Avant 40 TDI Black Edition 5dr S Tronic

£28,389

Fair price

You save £111

PL254TR St Austell, Cornwall

204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,702

Super price

You save £2,798

BR67QR Orpington, London

35 g CO2/km comb. - 299 HP (219 kW) - 1.5 Mpg

heycar

Audi A6 Avant 40 TDI Quattro Sport 5dr S Tronic

£27,542

Good price

You save £2,458

BR67QR Orpington, London

151 g CO2/km comb. - 204 HP (150 kW) - 47.1 Mpg

heycar

Audi A6 SALOON 40 TFSI Sport 4dr S Tronic

£23,620

Super price

You save £4,980

CR52AR Croydon, London

204 HP (150 kW) - 39.2 Mpg

heycar

Audi A6 AVANT 50 TDI Quattro S Line 5dr Tip Auto [Tech Pack]

£28,920

Fair price

Estimated price £27,941

DA51BZ Bexley, London

286 HP (210 kW) - 48.7 Mpg

heycar

Audi A6 Avant 40 TFSI S Line 5dr S Tronic

£33,800

Fair price

Estimated price £33,029

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Quattro Black Edition 4dr S Tronic

£26,300

Fair price

You save £300

WC1E 7DP London, London

121 g CO2/km comb. - 201 HP (147 kW) - 62.8 Mpg

heycar

Audi A6 50 TFSI e Quattro Sport 4dr S Tronic

£23,970

Fair price

Estimated price £23,579

N200PT Whetstone, London

35 g CO2/km comb. - 299 HP (219 kW)

heycar

Audi A6 Avant 40 TDI S Line 5dr S Tronic

£23,250

Fair price

Estimated price £23,055

TW89BQ Brentford, London

201 HP (147 kW)

heycar

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

£27,900

Super price

You save £3,500

E48JA Chingford, London

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

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£24,200

Fair price

Estimated price £23,477

PE296WP Huntingdon, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 40 TDI Black Edition 4dr S Tronic

£23,884

Fair price

Estimated price £23,454

WC1E 7DP London, London

119 g CO2/km comb. - 201 HP (147 kW) - 60.1 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive