Page 20 of 24:

(S-Line) Audi A6 used • 624 cars with price check

Featured deals

Carwow

Audi A6 -40 TDI Black Edition 4dr S Tronic

£21,299

Good price

You save £1,601

CW73AL, Cheshire

148 g CO2/km comb. - 204 HP (150 kW) - 5.6 Mpg

Carwow

Audi A6 2.0 TFSI 40 S line Estate 5dr Petrol S Tronic Euro 6 (s/s) (204 ps) Apple CarPlay

£20,800

Fair price

You save £700

SW170HB, London

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

Carwow

Audi A6 DIESEL SALOON 40 TDI Sport 4dr S Tronic [ parking system plus with front and rear sensors , Automatic start/stop system with coasting functionality , Electromechanical parking brake ]

£18,299

Super price

You save £2,901

M41 7TB Trafford Park, Manchester

142 g CO2/km comb. - 204 HP (150 kW) - 62.8 Mpg

Carwow

Audi A6 - Avant 40 TFSI Sport 5dr S Tronic [Tech Pack]

£25,697

Good price

You save £1,903

S705SZ Barnsley, South Yorkshire

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

-4%

1 / 4

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

40 TDI S Line 4dr S Tronic

2019
58,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 48.7
Details

Expensive

£21,980

£22,995

Dealer

BT66 7JR Lurgan

View the car

Availability verified

1 / 1

Used (2018) Audi A6 S-Line | Expensive

2.0 TDI Quattro S Line 4dr S

2018
99,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
mpg: 56
Details

Expensive

£15,750

Dealer

BT80 0HD Coagh

View the car

Availability verified

-9%

1 / 4

Used (2018) Audi A6 S-Line 286 HP | Expensive

Saloon 50 TDI Quattro S Line 4dr

2018
85,000 miles
Trim level: S-Line
3.0L Diesel
Sedan
Automatic
286 HP (210 kW)
mpg: 39.8
Details

Expensive

£19,975

£21,975

Dealer

BT62 2NW Portadown

View the car

Availability verified

1 / 4

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

40 TDI S Line 4dr S Tronic

2019
133,900 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 48.7
Details

Expensive

£14,490

Dealer

MK41 0EN Bedford, Bedfordshire

View the car

Availability verified

1 / 1

Used (2014) Audi A6 S-Line | Expensive

2.0 TDI Ultra S Line 4dr S

2014
96,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
mpg: 64
Details

Expensive

£10,250

Dealer

BT45 6EW Magherafelt

View the car

Availability verified

-14%

1 / 4

Used (2015) Audi A6 S-Line | Expensive

2.0 TDI Ultra S Line DSG

2015
165,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
Details

Expensive

£5,990

£6,990

Dealer

WF1 1TX Wakefield, West Yorkshire

View the car

Availability verified

1 / 4

Used (2012) Audi A6 S-Line 177 HP | Expensive

2.0 TDI S line Saloon 4dr Diesel

2012
87,825 miles
Trim level: S-Line
2.0L Diesel
Sedan
Manual
177 HP (130 kW)
mpg: 57
Details

Expensive

£8,750

Dealer

BT60 4LB Armagh

View the car

Availability verified

-9%

1 / 4

Used (2020) Audi A6 S-Line | Expensive

SALOON 45 TFSI Quattro S Line 4dr

2020
56,275 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
mpg: 42.8
CO2: 183 g CO2/km comb.
Details

Expensive

£21,099

£23,199

Dealer

CW7 3AL Winsford, Cheshire

View the car

Availability verified

-12%

1 / 4

Used (2024) Audi A6 S-Line 204 HP | Expensive

SALOON S line 40 TFSI 204 PS S

2024
3,229 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 38.7
Details

Expensive

£34,990

£39,990

Dealer

CT47HF Canterbury, Kent

View the car

Availability verified

New

1 / 3

Used (2021) Audi A6 S-Line | Expensive

50 TFSI e 17.9kWh Qtro S Line 5dr

2021
54,630 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
Details

Expensive

£23,197

Dealer

B33 0JJ Birmingham, West Midlands

View the car

Availability verified

Featured deals

Carwow

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

Carwow

Audi A6 40 TDI S Line 4dr S Tronic

£21,800

Fair price

Estimated price £21,796

LS270TS, West Yorkshire

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

Carwow

Audi A6 -40 TDI S Line 4dr Tronic

£18,000

Super price

You save £4,200

LE169PL, Leicestershire

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

Carwow

Audi A6 - 40 TFSI Sport 4dr S Tronic

£19,997

Fair price

You save £3

SY13LD Fareham, Shropshire

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

Used (2022) Audi A6 S-Line 261 HP | Expensive

45 TFSI 265 Quattro S Line 4dr S

2022
43,884 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
261 HP (191 kW)
Details

Expensive

£26,895

Dealer

RM30YD Harold Wood, London

View the car

Availability verified

New (2025) Audi A6 S-Line | Expensive

2.0 TFSI 204 S line 4dr S

2025
10 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
Details

Expensive

£56,985

Dealer

CV37 0AH Stratford-upon-Avon, Warwickshire

View the car

Availability verified

-4%

Used (2018) Audi A6 S-Line | Expensive

A6 3.0 S Line 50 TDI Quattro

2018
52,306 miles
Trim level: S-Line
3.0L Diesel
Sedan
Automatic
Details

Expensive

£20,990

£21,990

Dealer

Lancashire, Lancashire

View the car

Availability verified

Used (2024) Audi A6 S-Line 200 HP | Expensive

Avant 40 TFSI S Line 5dr S

2024
19,143 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
200 HP (147 kW)
Details

Expensive

£35,000

Dealer

WC1E 7DP London, London

View the car

Availability verified

-14%

New (2025) Audi A6 S-Line 204 HP

-2.0 TFSI 204 S line 4dr Troni

2025
0 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 7.1
CO2: 160 g CO2/km comb.
Details

£47,449

£55,440

Not evaluated

CB223AY, Cambridgeshire

View the car

Availability verified

-14%

1 / 4

New (2025) Audi A6 S-Line 204 HP

-2.0 TDI Quattro 204 S line 4dr

2025
0 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 5.2
CO2: 135 g CO2/km comb.
Details

£49,949

£58,260

Not evaluated

NN55DH, Northamptonshire

View the car

Availability verified

1 / 4

Used (2024) Audi A6 S-Line 204 HP

-Avant 2.0 TFSI 204 S line 5dr

2024
0 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
mpg: 7.2
CO2: 172 g CO2/km comb.
Details

£60,355

Not evaluated

NN55DH, Northamptonshire

View the car

Availability verified

-5%

Used (2024) Audi A6 S-Line 204 HP

- Avant 40 TFSI S Line 5dr

2024
0 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
mpg: 7.4
CO2: 172 g CO2/km comb.
Details

£52,329

£55,470

Not evaluated

MK429XE Cambridgeshire, Bedfordshire

View the car

Availability verified

-1%

1 / 3

Used (2023) Audi A6 S-Line 299 HP

- Avant 50 TFSI e 17.9kWh Qtro S

2023
80,820 miles
Trim level: S-Line
Petrol
Estate
Automatic
299 HP (219 kW)
mpg: 1.5
CO2: 33 g CO2/km comb.
Details

£22,595

£22,995

Not evaluated

LE103DJ Hinckley, Leicestershire

View the car

Availability verified

-14%

1 / 4

Used (2025) Audi A6 S-Line 204 HP

-2.0 TDI Quattro 204 S line 4dr

2025
6,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 5.2
CO2: 135 g CO2/km comb.
Details

£52,129

£61,225

Not evaluated

PE296WP Huntingdon, Cambridgeshire

View the car

Availability verified

Featured deals

Carwow

Audi A6 Avant 2021 | 2.0 TFSI 40 Sport S Tronic Euro 6 (s/s) 5dr

£21,000

Super price

You save £3,500

ME59QG, Kent

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

Carwow

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

£25,295

Fair price

You save £1,205

ST37PG Hinckley, Staffordshire

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

Carwow

Photos coming soon

Audi A6 Avant 2.0 TFSI 40 S line S Tronic Euro 6 (s/s) 5dr

£23,500

Fair price

Estimated price £23,154

N111GN Barnet, London

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

Carwow

Audi A6 2.0 TFSI 40 S line S Tronic Euro 6 (s/s) 4dr REVERSE CAMERA HEATED SEATS Saloon

£19,995

Super price

You save £2,905

LE103DJ Hinckley, Leicestershire

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

1 / 4

New (2025) Audi A6 S-Line 204 HP

2.0 TDI Quattro 204 Launch Edition

2025
682 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 5.5
CO2: 144 g CO2/km comb.
Details

£58,558

Not evaluated

PE45BH Huntingdon, Cambridgeshire

View the car

Availability verified

Used (2023) Audi A6 S-Line 299 HP

- Avant 50 TFSI e 17.9kWh Qtro S

2023
70,887 miles
Trim level: S-Line
Petrol
Estate
Automatic
299 HP (219 kW)
mpg: 1.5
CO2: 33 g CO2/km comb.
Details

£22,575

Not evaluated

E65LU, London

View the car

Availability verified

-27%

1 / 4

Used (2025) Audi A6 S-Line 204 HP

Avant 2.0 TDI Quattro 204 Launch

2025
6,000 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 5.7
CO2: 148 g CO2/km comb.
Details

£47,410

£65,030

Not evaluated

CB223AY Huntingdon, Cambridgeshire

View the car

Availability verified

-1%

1 / 3

Used (2020) Audi A6 S-Line 299 HP

50 TFSI e Quattro S Line 4dr S

2020
20,616 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
299 HP (219 kW)
mpg: 1.6
CO2: 36 g CO2/km comb.
Details

£29,299

£29,599

Not evaluated

DE248PU Derby, Derbyshire

View the car

Availability verified

-1%

1 / 4

Used (2024) Audi A6 S-Line 204 HP

-Avant 40 TFSI S Line 5dr

2024
6,000 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
mpg: 7.4
CO2: 172 g CO2/km comb.
Details

£37,267

£37,900

Not evaluated

CB223AY Huntingdon, Cambridgeshire

View the car

Availability verified

Featured deals

Carwow

Audi A6 SALOON 45 TFSI Quattro Sport 4dr S Tronic [Parking Camera, Heated Seats, Upgraded Sound System, Apple CarPlay]

£19,099

Good price

You save £2,001

M41 7TB Trafford Park, Manchester

182 g CO2/km comb. - 245 HP (180 kW) - 43.5 Mpg

Carwow

Audi A6 -Avant 40 TDI S Line 5dr Tronic

£20,800

Super price

You save £2,600

WS111SL, Staffordshire

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

Carwow

Audi A6 - 40 TFSI Sport 4dr S Tronic

£19,085

Fair price

You save £715

SY13LD Fareham, Shropshire

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

Carwow

Audi A6 - Avant 40 TDI S Line 5dr Tronic

£17,899

Super price

You save £3,301

CW73AL, Cheshire

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

Showing 476 - 500 of 595 results