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(diesel) Audi A6 Used • 1,493 cars for sale – Compares prices!

Featured deals

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£18,700

Fair price

Estimated price £18,501

PE45BH Peterborough, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra S Line 5dr

£15,965

Fair price

Estimated price £15,727

PL158EX Launceston, Cornwall

119 g CO2/km comb. - 190 HP (139 kW) - 61.0 Mpg

heycar

Audi A6 40 TDI Quattro S Line 5dr S Tronic

£18,700

Good price

You save £1,200

LU63EA Dunstable, Bedfordshire

204 HP (150 kW) - 45.6 Mpg

heycar

Audi A6 40 TDI Sport 4dr S Tronic

£15,999

Fair price

You save £1

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra Black Edition 5dr S Tronic

£15,995

Fair price

Estimated price £15,020

RG263JE Tadley, Hampshire

121 g CO2/km comb. - 188 HP (138 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 A6 Saloon 2.0 TDI 40 Sport S Tronic

£19,198

Super price

You save £4,902

DL149TW Bishop Auckland, Durham

201 HP (147 kW)

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£18,700

Super price

You save £2,500

PE45BH Huntingdon, Cambridgeshire

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

Carwow

Audi A6 DIESEL SALOON 2.0 TDI Ultra S Line 4dr [ parking system plus with front and rear sensors , ble and visual fasten seat belt warning - front and rear , Non smoking pack ]

£13,599

Good price

You save £1,301

M41 7TB Manchester, Manchester

114 g CO2/km comb. - 190 HP (139 kW) - 64.2 Mpg

Carwow

Audi A6 -2.0 TDI Ultra S Line 4dr Tronic

£15,300

Fair price

Estimated price £14,912

PE296WP Huntingdon, Cambridgeshire

114 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Audi A6 -40 TDI Sport 4dr S Tronic

£16,799

Super price

You save £4,801

CW73AL, Cheshire

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

Carwow

Audi A6 -2.0 TDI Quattro S Line 4dr Tronic

£17,000

Fair price

Estimated price £16,366

N111GN Barnet, London

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

Carwow

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

£12,849

Fair price

You save £451

PE134AX, Cambridgeshire

118 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£17,849

Super price

You save £3,051

WA89WZ, Cheshire

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

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£16,995

Super price

You save £3,505

DE12BU, Derbyshire

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

heycar

Audi A6 2.0 TDI Ultra SE Executive 4dr S Tronic

£12,441

Super price

You save £2,159

B63 3NS Halesowen, West Midlands

188 HP (138 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£20,863

Fair price

You save £337

B249NY Birmingham, West Midlands

118 g CO2/km comb. - 201 HP (147 kW)

Carwow

Vauxhall Corsa -1.4 [75] ecoFLEX Sting 3dr

£3,480

Super price

You save £1,620

RM70JJ, London

118 g CO2/km comb. - 75 HP (55 kW) - 5.1 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,480

Super price

You save £1,520

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 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

WC1E 7DP London, London

Good price

You save £2,203

WC1E 7DP London, London

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Audi A6 Saloon 2.0 TDI 40 Sport S Tronic

DL149TW Bishop Auckland, Durham

Super price

You save £4,902

DL149TW Bishop Auckland, Durham

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Audi A6 40 TDI S Line 4dr S Tronic

BH124QN Poole, Dorset

Good price

You save £2,200

BH124QN Poole, Dorset

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Audi A6 2.0 TDI Ultra SE Executive 4dr S Tronic

B63 3NS Halesowen, West Midlands

Super price

You save £2,159

B63 3NS Halesowen, West Midlands

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Audi A6 Saloon 2.0 TDI ultra SE Executive S Tronic

SO317FL Southampton, Hampshire

Good price

You save £2,006

SO317FL Southampton, Hampshire

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

BA228RT Yeovil, Somerset

Good price

You save £1,505

BA228RT Yeovil, Somerset

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Audi A6 40 TDI Sport 4dr S Tronic

DA51BZ Bexley, London

Super price

You save £3,530

DA51BZ Bexley, London

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Audi A6 Avant 40 TDI Sport 5dr S Tronic

BH124QN Poole, Dorset

Super price

You save £4,200

BH124QN Poole, Dorset

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Audi A6 Avant 40 TDI Sport 5dr S Tronic

Super price

Audi A6 Saloon (2022/22)Sport 40 TDI 204PS S Tronic auto 4d

PE1 5PE Peterborough, Cambridgeshire

Super price

You save £4,310

PE1 5PE Peterborough, Cambridgeshire

Visit heycar

Featured deals

heycar

Audi A6 Avant 2.0 TDI Ultra Black Edition 5dr S Tronic

£15,995

Fair price

Estimated price £15,020

RG263JE Tadley, Hampshire

121 g CO2/km comb. - 188 HP (138 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 A6 Saloon 2.0 TDI 40 Sport S Tronic

£19,198

Super price

You save £4,902

DL149TW Bishop Auckland, Durham

201 HP (147 kW)

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£18,700

Super price

You save £2,500

PE45BH Huntingdon, Cambridgeshire

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

Carwow

Audi A6 DIESEL SALOON 2.0 TDI Ultra S Line 4dr [ parking system plus with front and rear sensors , ble and visual fasten seat belt warning - front and rear , Non smoking pack ]

£13,599

Good price

You save £1,301

M41 7TB Manchester, Manchester

114 g CO2/km comb. - 190 HP (139 kW) - 64.2 Mpg

Carwow

Audi A6 -2.0 TDI Ultra S Line 4dr Tronic

£15,300

Fair price

Estimated price £14,912

PE296WP Huntingdon, Cambridgeshire

114 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Audi A6 -40 TDI Sport 4dr S Tronic

£16,799

Super price

You save £4,801

CW73AL, Cheshire

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

Carwow

Audi A6 -2.0 TDI Quattro S Line 4dr Tronic

£17,000

Fair price

Estimated price £16,366

N111GN Barnet, London

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

Carwow

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

£12,849

Fair price

You save £451

PE134AX, Cambridgeshire

118 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£17,849

Super price

You save £3,051

WA89WZ, Cheshire

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

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£16,995

Super price

You save £3,505

DE12BU, Derbyshire

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

heycar

Audi A6 2.0 TDI Ultra SE Executive 4dr S Tronic

£12,441

Super price

You save £2,159

B63 3NS Halesowen, West Midlands

188 HP (138 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£20,863

Fair price

You save £337

B249NY Birmingham, West Midlands

118 g CO2/km comb. - 201 HP (147 kW)

Carwow

Vauxhall Corsa -1.4 [75] ecoFLEX Sting 3dr

£3,480

Super price

You save £1,620

RM70JJ, London

118 g CO2/km comb. - 75 HP (55 kW) - 5.1 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,480

Super price

You save £1,520

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£18,700

Fair price

Estimated price £18,501

PE45BH Peterborough, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra S Line 5dr

£15,965

Fair price

Estimated price £15,727

PL158EX Launceston, Cornwall

119 g CO2/km comb. - 190 HP (139 kW) - 61.0 Mpg

heycar

Audi A6 40 TDI Quattro S Line 5dr S Tronic

£18,700

Good price

You save £1,200

LU63EA Dunstable, Bedfordshire

204 HP (150 kW) - 45.6 Mpg

heycar

Audi A6 40 TDI Sport 4dr S Tronic

£15,999

Fair price

You save £1

WC1E 7DP London, London

201 HP (147 kW)

Audi A6 Avant 40 TDI Quattro Sport 5dr S Tronic

BR67QR Orpington, London

Super price

You save £2,972

BR67QR Orpington, London

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Audi A6 Avant 40 TDI Black Edition 5dr S Tronic

PE302HY Kings Lynn, Norfolk

Good price

You save £1,995

PE302HY Kings Lynn, Norfolk

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Audi A6 40 TDI Quattro S Line 5dr S Tronic

LU63EA Dunstable, Bedfordshire

Good price

You save £1,200

LU63EA Dunstable, Bedfordshire

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Audi A6 40 TDI Sport 4dr S Tronic

NR337NA Lowestoft, Suffolk

Super price

You save £4,210

NR337NA Lowestoft, Suffolk

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Audi A6 40 TDI S Line 4dr S Tronic

WD258HL Watford, Hertfordshire

Good price

You save £1,405

WD258HL Watford, Hertfordshire

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Audi A6 40 TDI S Line 5dr S Tronic Diesel Estate

Super price

Audi A6 Avant (2019/19)Sport 40 TDI 204PS S Tronic auto 5d

LU63EA Dunstable, Bedfordshire

Super price

You save £4,450

LU63EA Dunstable, Bedfordshire

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

E48JA Chingford, London

Super price

You save £3,950

E48JA Chingford, London

Visit heycar

Audi A6 Avant 40 TDI S Line 5dr S Tronic

CM25PX Chelmsford, Essex

Good price

You save £1,850

CM25PX Chelmsford, Essex

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

LL319AY Llandudno Junction

Good price

You save £2,250

LL319AY Llandudno Junction

Visit heycar

Featured deals

Carwow

Audi A6 DIESEL SALOON 2.0 TDI Ultra S Line 4dr [ parking system plus with front and rear sensors , ble and visual fasten seat belt warning - front and rear , Non smoking pack ]

£13,599

Good price

You save £1,301

M41 7TB Manchester, Manchester

114 g CO2/km comb. - 190 HP (139 kW) - 64.2 Mpg

Carwow

Audi A6 -2.0 TDI Ultra S Line 4dr Tronic

£15,300

Fair price

Estimated price £14,912

PE296WP Huntingdon, Cambridgeshire

114 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Audi A6 -40 TDI Sport 4dr S Tronic

£16,799

Super price

You save £4,801

CW73AL, Cheshire

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

Carwow

Audi A6 -2.0 TDI Quattro S Line 4dr Tronic

£17,000

Fair price

Estimated price £16,366

N111GN Barnet, London

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

Carwow

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

£12,849

Fair price

You save £451

PE134AX, Cambridgeshire

118 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£17,849

Super price

You save £3,051

WA89WZ, Cheshire

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

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£16,995

Super price

You save £3,505

DE12BU, Derbyshire

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

heycar

Audi A6 2.0 TDI Ultra SE Executive 4dr S Tronic

£12,441

Super price

You save £2,159

B63 3NS Halesowen, West Midlands

188 HP (138 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£20,863

Fair price

You save £337

B249NY Birmingham, West Midlands

118 g CO2/km comb. - 201 HP (147 kW)

Carwow

Vauxhall Corsa -1.4 [75] ecoFLEX Sting 3dr

£3,480

Super price

You save £1,620

RM70JJ, London

118 g CO2/km comb. - 75 HP (55 kW) - 5.1 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,480

Super price

You save £1,520

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£18,700

Fair price

Estimated price £18,501

PE45BH Peterborough, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra S Line 5dr

£15,965

Fair price

Estimated price £15,727

PL158EX Launceston, Cornwall

119 g CO2/km comb. - 190 HP (139 kW) - 61.0 Mpg

heycar

Audi A6 40 TDI Quattro S Line 5dr S Tronic

£18,700

Good price

You save £1,200

LU63EA Dunstable, Bedfordshire

204 HP (150 kW) - 45.6 Mpg

heycar

Audi A6 40 TDI Sport 4dr S Tronic

£15,999

Fair price

You save £1

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra Black Edition 5dr S Tronic

£15,995

Fair price

Estimated price £15,020

RG263JE Tadley, Hampshire

121 g CO2/km comb. - 188 HP (138 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 A6 Saloon 2.0 TDI 40 Sport S Tronic

£19,198

Super price

You save £4,902

DL149TW Bishop Auckland, Durham

201 HP (147 kW)

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£18,700

Super price

You save £2,500

PE45BH Huntingdon, Cambridgeshire

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

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

Super price

Audi A6 Avant 40 TDI Sport 5dr S Tronic

HD21UA Huddersfield, West Yorkshire

Super price

You save £4,600

HD21UA Huddersfield, West Yorkshire

Visit heycar

Audi A6 Avant 40 TDI Quattro Sport 5dr S Tronic

TS183UR Stockton-on-Tees, Durham

Good price

You save £2,336

TS183UR Stockton-on-Tees, Durham

Visit heycar

Audi A6 Avant 50 TDI Quattro Sport 5dr Tip Auto

CO40HQ Colchester, Essex

Good price

You save £2,050

CO40HQ Colchester, Essex

Visit heycar

Audi A6 Saloon (2021/21)S Line 40 TDI 204PS S Tronic auto 4d

PE15PT Peterborough, Cambridgeshire

Good price

You save £2,510

PE15PT Peterborough, Cambridgeshire

Visit heycar

Featured deals

Carwow

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

£12,849

Fair price

You save £451

PE134AX, Cambridgeshire

118 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£17,849

Super price

You save £3,051

WA89WZ, Cheshire

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

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£16,995

Super price

You save £3,505

DE12BU, Derbyshire

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

heycar

Audi A6 2.0 TDI Ultra SE Executive 4dr S Tronic

£12,441

Super price

You save £2,159

B63 3NS Halesowen, West Midlands

188 HP (138 kW)

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£20,863

Fair price

You save £337

B249NY Birmingham, West Midlands

118 g CO2/km comb. - 201 HP (147 kW)

Carwow

Vauxhall Corsa -1.4 [75] ecoFLEX Sting 3dr

£3,480

Super price

You save £1,620

RM70JJ, London

118 g CO2/km comb. - 75 HP (55 kW) - 5.1 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,480

Super price

You save £1,520

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

heycar

Audi A6 40 TDI S Line 4dr S Tronic

£18,700

Fair price

Estimated price £18,501

PE45BH Peterborough, Cambridgeshire

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra S Line 5dr

£15,965

Fair price

Estimated price £15,727

PL158EX Launceston, Cornwall

119 g CO2/km comb. - 190 HP (139 kW) - 61.0 Mpg

heycar

Audi A6 40 TDI Quattro S Line 5dr S Tronic

£18,700

Good price

You save £1,200

LU63EA Dunstable, Bedfordshire

204 HP (150 kW) - 45.6 Mpg

heycar

Audi A6 40 TDI Sport 4dr S Tronic

£15,999

Fair price

You save £1

WC1E 7DP London, London

201 HP (147 kW)

heycar

Audi A6 Avant 2.0 TDI Ultra Black Edition 5dr S Tronic

£15,995

Fair price

Estimated price £15,020

RG263JE Tadley, Hampshire

121 g CO2/km comb. - 188 HP (138 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 A6 Saloon 2.0 TDI 40 Sport S Tronic

£19,198

Super price

You save £4,902

DL149TW Bishop Auckland, Durham

201 HP (147 kW)

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£18,700

Super price

You save £2,500

PE45BH Huntingdon, Cambridgeshire

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

Carwow

Audi A6 DIESEL SALOON 2.0 TDI Ultra S Line 4dr [ parking system plus with front and rear sensors , ble and visual fasten seat belt warning - front and rear , Non smoking pack ]

£13,599

Good price

You save £1,301

M41 7TB Manchester, Manchester

114 g CO2/km comb. - 190 HP (139 kW) - 64.2 Mpg

Carwow

Audi A6 -2.0 TDI Ultra S Line 4dr Tronic

£15,300

Fair price

Estimated price £14,912

PE296WP Huntingdon, Cambridgeshire

114 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Audi A6 -40 TDI Sport 4dr S Tronic

£16,799

Super price

You save £4,801

CW73AL, Cheshire

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

Carwow

Audi A6 -2.0 TDI Quattro S Line 4dr Tronic

£17,000

Fair price

Estimated price £16,366

N111GN Barnet, London

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Other fuel types for Audi A6

Petrol (544)

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