(S-Line) Audi A6 used • 176 cars with price check

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

SALOON 40 TFSI S Line 4dr S Tronic

Good price

You save £2,601

CW73AL, Cheshire

M41 7TB Trafford Park, Manchester

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

SALOON 1.8 TFSI S Line 4dr S

Good price

You save £1,501

M41 7TB Trafford Park, Manchester

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) Audi A6 S-Line 204 HP | Super price

- 2.0 TFSI 204 S line 4dr

NN55DH, Northamptonshire

Super price

You save £4,129

NN55DH, Northamptonshire

MK150DQ Milton Keynes, Buckinghamshire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) Audi A6 S-Line 204 HP | Good price

- Avant 2.0 TFSI 204 S line 5dr

Good price

You save £3,092

MK150DQ Milton Keynes, Buckinghamshire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2020) Audi A6 S-Line 245 HP | Super price

- Avant 45 TFSI Quattro S Line 5dr

Super price

You save £3,405

BS216RX, Somerset

LE103DJ Hinckley, Leicestershire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

2.0 TFSI 40 S line S Tronic Euro 6

Super price

You save £2,605

LE103DJ Hinckley, Leicestershire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) Audi A6 S-Line 204 HP | Super price

-2.0 TFSI 204 S line 4dr Troni

Super price

You save £5,040

BH124QN, Dorset

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) Audi A6 S-Line 204 HP | Good price

- 2.0 TFSI 204 S line 4dr

Good price

You save £2,620

BH124QN, Dorset

S802QD Hinckley, Nottinghamshire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

40 TFSI S Line 4dr S Tronic [Tech

Good price

You save £1,505

S802QD Hinckley, Nottinghamshire

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

Featured deals

Carwow

£31,300

Fair price

Estimated price £30,387

ME59QG, Kent

33 g CO2/km comb. - 299 HP (219 kW) - 1.4 Mpg

Carwow

Audi A6 SALOON 40 TFSI S Line 4dr S Tronic [Tech Pack] [ Technology pack , Storage Package , Bluetooth interface , Rear view camera , parking system plus - acoustic and visual park assist system for front and rear ]

£23,199

Good price

You save £2,601

CW73AL, Cheshire

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

Carwow

Audi A6 - 40 TFSI S Line 4dr Tronic

£27,247

Good price

You save £2,453

CB223AY Huntingdon, Cambridgeshire

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

Carwow

Audi A6 Saloon 2022 | 2.0 TFSI 40 Black Edition S Tronic Euro 6 (s/s) 4dr

£25,900

Fair price

Estimated price £25,781

LS270TS, West Yorkshire

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

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) Audi A6 S-Line 204 HP | Super price

-2.0 TFSI 204 S line 4dr Troni

CB223AY, Cambridgeshire

Super price

You save £6,951

CB223AY, Cambridgeshire

Used (2025) Audi A6 S-Line 201 HP | Good price

40 TFSI S Line 4dr S Tronic

Good price

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

Avant 40 TFSI S Line 5dr S

Good price

You save £1,441

Visit Motors.co.uk

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

40 TFSI S Line 4dr S Tronic [Tech

Good price

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

Avant 40 TFSI S Line 5dr S Tronic

Good price

You save £1,899

Visit Motors.co.uk

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

Avant 40 TFSI S Line 5dr S Tronic

Good price

You save £2,350

Visit Honestjohn

NR337NA Lowestoft, Suffolk

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

Avant 40 TFSI S Line 5dr S Tronic

Good price

You save £1,710

NR337NA Lowestoft, Suffolk

Visit Group1auto.co.uk

WF4 3BB Wakefield, West Yorkshire

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

2.0 TFSI 40 S line S Tronic Euro 6

Good price

You save £1,510

WF4 3BB Wakefield, West Yorkshire

Visit Motors.co.uk

PE1 5PE Peterborough, Cambridgeshire

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

40 TFSI S Line 4dr S Tronic

Good price

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

40 TFSI S Line 4dr S Tronic [Tech

Good price

You save £1,400

PE1 5PE Peterborough, Cambridgeshire

Visit Parkers.co.uk

Featured deals

Carwow

Audi A6 40 TFSI S Line S Tronic

£23,697

Fair price

Estimated price £22,458

PR22DF Preston, Lancashire

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

Carwow

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

£23,282

Super price

You save £3,718

NG317UH, Lincolnshire

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

Carwow

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

£22,897

Super price

You save £3,403

B33 0JJ Birmingham, West Midlands

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

Carwow

Audi A6 40 TFSI Black Edition 5dr S Tronic [Tech Pack]

£27,795

Fair price

Estimated price £27,569

WV100AF Hinckley, West Midlands

175 g CO2/km comb. - 204 HP (150 kW) - 7.7 Mpg

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

40 TFSI S Line 4dr S Tronic Petrol

LE27JU, Leicestershire

Fair price

Estimated price £21,241

LE27JU, Leicestershire

MK429XE Huntingdon, Bedfordshire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

Avant 40 TFSI S Line 5dr S

Fair price

Estimated price £30,326

MK429XE Huntingdon, Bedfordshire

PR22DF Preston, Lancashire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

40 TFSI S Line S Tronic

Fair price

Estimated price £22,458

PR22DF Preston, Lancashire

ST37PG Hinckley, Staffordshire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

2.0 TFSI 40 S line S Tronic Euro 6

Fair price

You save £1,305

ST37PG Hinckley, Staffordshire

NN55DH Huntingdon, Cambridgeshire

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2025) Audi A6 S-Line 204 HP | Fair price

-40 TFSI S Line 4dr Tronic

Fair price

You save £159

NN55DH Huntingdon, Cambridgeshire