2023 Audi A6 • Compare 97 used cars with valuation

Market overview: March-2026 Price Analysis: A used Audi A6 from 2023 currently costs between £21,499 and £36,499. On average, the mileage for this year stands at 32,417 miles. The depreciation and price trend over the last 12 months is -£5,520.

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Carwow

2023

(2023) Audi A6 S-Line 204 HP

£30,249

Fair price

Estimated price £30,046

DE21 6BZ Derby, Derbyshire

152 g CO2/km comb. - 204 HP (150 kW) - 5.8 Mpg

Carwow

2021

(2021) Audi A6 Sport 204 HP

£26,599

Fair price

You save £1,101

NR6 5AE Hellesdon, Norfolk

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

Carwow

2022

(2022) Audi A6 Sport 204 HP

£26,899

Good price

You save £2,201

ME15 9XY Kent, Kent

151 g CO2/km comb. - 204 HP (150 kW) - 5.8 Mpg

Carwow

2023

(2023) Audi A6 Sport 299 HP

£29,200

Fair price

Estimated price £29,223

ME5 9QG Kent, Kent

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-3%

1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

- 40 TFSI Sport 4dr S Tronic [Tech

2023
28,778 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 162 g CO2/km comb.
mpg: 7.1
Details

Super price

£22,299

£23,099

B69 2AS West Midlands, West Midlands

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-3%

1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

2023
20,896 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 162 g CO2/km comb.
mpg: 7.1
Details

Super price

£23,099

£23,949

B6 5SU West Midlands, West Midlands

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Availability verified

-1%

1 / 4

Used (2023) Audi A6 Sport 204 HP | Good price

- 40 TFSI Sport 4dr S Tronic [Tech

2023
21,046 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 162 g CO2/km comb.
mpg: 7.1
Details

Good price

£21,607

£21,999

DH15DQ

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Availability verified

-4%

1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

40 TDI Quattro Sport 4dr S Tronic

2023
50,808 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 147 g CO2/km comb.
mpg: 5.6
Details

Super price

£23,820

£24,920

BB1 3NU Lancashire, Lancashire

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Carwow

2021

(2021) Audi A6 Black Edition 340 HP

£26,500

Fair price

Estimated price £25,535

CM1 3BH Essex, Essex

197 g CO2/km comb. - 340 HP (250 kW) - 8.6 Mpg

Carwow

2021

(2021) Audi A6 Black Edition 204 HP

£27,149

Fair price

Estimated price £26,885

TD9 8PZ Scottish Borders, Roxburghshire

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

Carwow

2021

(2021) Audi A6 Black Edition 204 HP

£25,050

Fair price

You save £50

N11 1GN Greater London, London

152 g CO2/km comb. - 204 HP (150 kW) - 5.8 Mpg

Carwow

2021

(2021) Audi A6 S-Line 286 HP

£25,450

Fair price

You save £650

DE217RW

184 g CO2/km comb. - 286 HP (210 kW) - 6.9 Mpg

-5%

1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

2023
32,242 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 162 g CO2/km comb.
mpg: 7.1
Details

Super price

£20,749

£21,999

IP12DZ, Suffolk

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1 / 4

Used (2023) Audi A6 Sport 204 HP | Good price

- Avant 40 TFSI Sport 5dr S Tronic

2023
42,876 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 167 g CO2/km comb.
mpg: 7.3
Details

Good price

£21,995

SG6 1TD Hertfordshire, Hertfordshire

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New

Used (2023) Audi A6 Sport 204 HP | Good price

Avant 40 TFSI Sport 5dr S Tronic

2023
25,443 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
Details

Good price

£25,816

Honestjohn

WC1E 7DP Greater London, London

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-4%

1 / 4

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

40 TDI Quattro S Line 4dr S Tronic

2023
94,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 47.9
Details

Good price

£20,490

£21,490

Motors.co.uk

DL1 4PJ Darlington, Durham

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-1%

1 / 4

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

40 TDI Quattro S Line 4dr S Tronic

Mar 2023
41,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 147 g CO2/km comb.
Details

Good price

£27,495

£27,850

Dealer

WC1E 7DP Greater London, London

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-6%

1 / 4

Used (2023) Audi A6 Sport 265 HP | Good price

45 TFSI 265 Quattro Sport 5dr S

2023
49,567 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
265 HP (194 kW)
mpg: 34.9
Details

Good price

£24,232

£25,990

Parkers.co.uk

BB9 7DU Lancashire, Lancashire

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2023

(2023) Audi A6 Black Edition 204 HP

£26,000

Fair price

Estimated price £25,514

In Preparation, Dumfriesshire

158 g CO2/km comb. - 204 HP (150 kW) - 6.0 Mpg

Carwow

2021

(2021) Audi A6 S-Line 204 HP

£26,699

Fair price

Estimated price £26,156

NR6 5BD Norfolk, Norfolk

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

Carwow

2021

(2021) Audi A6 Sport 204 HP

£20,800

Fair price

You save £1,000

LS12 2QN Armley, West Yorkshire

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

Carwow

2021

(2021) Audi A6 S-Line 204 HP

£22,299

Fair price

You save £1

EH151BT

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

New

Used (2023) Audi A6 Sport 204 HP | Super price

Saloon 2.0 TFSI 40 Sport Saloon

2023
32,081 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 38.7
Details

Super price

£21,499

Parkers.co.uk

PR2 5PZ Lancashire, Lancashire

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1 / 4

Used (2023) Audi A6 Sport 200 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

2023
23,330 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
200 HP (147 kW)
Details

Super price

£22,790

£23,000

Honestjohn

WC1E 7DP Greater London, London

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-6%

1 / 4

Used (2023) Audi A6 S-Line 299 HP | Good price

2.0 TFSIe 50 S line Estate 5dr

2023
83,210 miles
Trim level: S-Line
2.0L Electric/Petrol
Estate
Automatic
299 HP (219 kW)
mpg: 1.4
Details

Good price

£21,500

£23,100

Exchange and Mart

Kent, Kent

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-15%

1 / 3

Used (2023) Audi A6 Sport 204 HP | Super price

Saloon 2.0 TFSI 40 Sport Saloon

2023
21,776 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
Details

Super price

£22,975

£27,171

Motors.co.uk

BL9 5BQ Greater Manchester, Manchester

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1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

2023
10,000 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
Details

Super price

£24,442

£24,623

Buyacar

Delivered to you

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-6%

1 / 4

Used (2023) Audi A6 S-Line 295 HP | Good price

Avant 2023 | 2.0 TFSIe 50 S line S

2023
83,210 miles
Trim level: S-Line
2.0L Electric/Petrol
Estate
Automatic
295 HP (216 kW)
mpg: 1.4
Details

Good price

£21,800

£23,400

Dealer

ME5 9QG Kent, Kent

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1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

2023
21,002 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 38.7
Details

Super price

£23,359

Parkers.co.uk

BR6 7QR Greater London, London

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1 / 3

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

Avant 40 TDI Quattro S Line 5dr S

2023
24,256 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
Details

Good price

£31,280

Buyacar

Delivered to you

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1 / 4

Used (2023) Audi A6 S-Line | Super price

40 TFSI S Line 5dr S Tronic [Tech

2023
71,105 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
mpg: 36.2
Details

Super price

£22,995

Motors.co.uk

LN2 4JA Lincolnshire, Lincolnshire

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1 / 4

Used (2023) Audi A6 Sport 204 HP | Good price

40 TFSI Sport 5dr S Tronic [Tech

2023
17,301 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 167 g CO2/km comb.
mpg: 38.2
Details

Good price

£27,498

Dealer

PR2 2JZ Ashton-On-Ribble, Lancashire

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Carwow

2023

(2023) Audi A6 Sport 204 HP

£21,607

Good price

You save £2,093

DH15DQ

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

Carwow

2021

(2021) Audi A6 Sport 286 HP

£22,099

Super price

You save £5,101

CW7 3AL Cheshire West And Chester, Cheshire

178 g CO2/km comb. - 286 HP (210 kW) - 50.4 Mpg

Carwow

2023

(2023) Audi A6 Sport 204 HP

£23,099

Super price

You save £2,901

B6 5SU West Midlands, West Midlands

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

Carwow

2021

(2021) Audi A6 Sport 204 HP

£22,050

Fair price

You save £1,150

WD3 3RT Croxley Green, Hertfordshire

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

-2%

1 / 4

Used (2023) Audi A6 Sport 295 HP | Good price

Avant 2023 | 2.0 TFSIe 50 Sport S

2023
15,241 miles
Trim level: Sport
2.0L Electric/Petrol
Estate
Automatic
295 HP (216 kW)
Details

Good price

£29,200

£30,000

Dealer

ME5 9QG Kent, Kent

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1 / 4

Used (2023) Audi A6 Sport 204 HP | Good price

40 TFSI Sport 5dr S Tronic [Tech

2023
28,900 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
mpg: 37.2
Details

Good price

£25,250

Parkers.co.uk

CF23 8RT Pontprennau, South Glamorgan

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-2%

1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

2023
40,849 miles
Trim level: Sport
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 38.7
Details

Super price

£21,295

£21,895

Parkers.co.uk

BT70 1RX Mid Ulster

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1 / 4

Used (2023) Audi A6 Sport 204 HP | Super price

2.0 TDI 40 Sport Saloon 4dr Diesel

2023
57,665 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
mpg: 49.6
Details

Super price

£23,999

Parkers.co.uk

OL9 7PQ Greater Manchester, Manchester

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-6%

1 / 3

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

40 TDI Quattro S Line 5dr S Tronic

2023
54,614 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
mpg: 46.3
Details

Good price

£27,990

£29,990

Parkers.co.uk

OL10 1DL Greater Manchester, Manchester

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Carwow

2023

(2023) Audi A6 Sport 204 HP

£22,299

Super price

You save £2,901

B69 2AS West Midlands, West Midlands

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

Carwow

2021

(2021) Audi A6 Sport 286 HP

£21,800

Super price

You save £5,100

N11 1GN Greater London, London

184 g CO2/km comb. - 286 HP (210 kW) - 6.9 Mpg

Carwow

2021

(2021) Audi A6 Sport 224 HP

£21,899

Good price

You save £1,601

CW7 3AL Cheshire West And Chester, Cheshire

163 g CO2/km comb. - 224 HP (164 kW) - 7.1 Mpg

Carwow

2021

(2021) Audi A6 S-Line 204 HP

£23,699

Fair price

Estimated price £23,445

CV4 9DU West Midlands, West Midlands

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

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Audi A6 (1000+)