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Audi A6 Valuation: 1,631 used car listings analysed

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Used Audi A6 Sport 204 HP (150 kW) 2021 Black Sedan

(2021) Audi A6 Sport 204 HP

£17,560

Super price

You save £4,340

ME5 9QG Kent, Kent

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

Carwow

(2021) Audi A6 Sport 204 HP

£18,190

Super price

You save £2,410

HU9 1DN Kingston Upon Hull, East Yorkshire

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

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Used Audi A6 Black Edition 190 HP (139 kW) 2018 Estate

(2018) Audi A6 Black Edition 190 HP

£17,678

Fair price

Estimated price £16,887

KA8 9RT Heathfield, Ayrshire And Arran

122 g CO2/km comb. - 190 HP (139 kW) - 4.7 Mpg

Carwow

(2021) Audi A6 Sport 204 HP

£18,390

Fair price

Estimated price £18,041

HU9 1DN Kingston Upon Hull, East Yorkshire

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

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1 / 4

Used (2017) Audi A6 Black Edition 190 HP | Expensive

Avant 2.0 TDI Black Edition Estate

2017
110,921 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
5.1 mpg
Details

Expensive

£13,495

Motors.co.uk

NR6 6AQ Norfolk, Norfolk

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-7%

1 / 4

Used (2018) Audi A6 S-Line | Expensive

40 TDI S Line 4dr S Tronic

2018
47,500 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
4.4 mpg
Details

Expensive

£17,999

£19,499

Motors.co.uk

DY5 2YX West Midlands, West Midlands

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1 / 4

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

Saloon (2018/18)2.0 TDI Ultra S

2018
90,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
64 mpg
Details

Expensive

£14,950

Parkers.co.uk

BT49 9EY Causeway Coast And Glens

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1 / 4

Used (2020) Audi A6 Black Edition 204 HP | Expensive

Saloon (2020/20)Black Edition 40

2020
125,000 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
47.9 mpg
Details

Expensive

£16,499

Parkers.co.uk

BS30 6EF Willsbridge, Gloucestershire

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Used Audi A6 S-Line 204 HP (150 kW) 2021 Estate

(2021) Audi A6 S-Line 204 HP

£20,909

Fair price

You save £1,091

MK139HA

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

Carwow

Used Audi A6 Sport 204 HP (150 kW) 2021 Sedan

(2021) Audi A6 Sport 204 HP

£17,999

Good price

You save £1,801

PO202EU

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

Carwow

Used Audi A6 Black Edition 204 HP (150 kW) 2021 Sedan

(2021) Audi A6 Black Edition 204 HP

£17,995

Super price

You save £2,505

IG110RJ

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

Carwow

Used Audi A6 Sport 204 HP (150 kW) 2021 White Sedan

(2021) Audi A6 Sport 204 HP

£16,990

Super price

You save £4,010

HU9 1DN Kingston Upon Hull, East Yorkshire

163 g CO2/km comb. - 204 HP (150 kW) - 38.2 Mpg

1 / 4

Used (2015) Audi A6 Black Edition 190 HP | Expensive

Avant 2.0 TDI ultra Black Edition

2015
72,624 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
60 mpg
Details

Expensive

£14,990

Motors.co.uk

PE2 9FT Peterborough, Cambridgeshire

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1 / 1

Used (2020) Audi A6 Design 600 HP | Expensive

Avant (2020/69)RS 6 TFSI Quattro

2020
22,500 miles
Trim level: Design
4.0L Petrol
Estate
Automatic
600 HP (441 kW)
22.1 mpg
Details

Expensive

£74,500

Parkers.co.uk

NE22 Bedlington, Northumberland

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-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
CO2 emissions: 183 g CO2/km comb.
42.8 mpg
Details

Expensive

£21,099

£23,199

Dealer

CW7 Cheshire West And Chester, Cheshire

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Used (2022) Audi A6 Black Edition 261 HP | Expensive

45 TFSI 265 Quattro Black Edition

2022
27,173 miles
Trim level: Black Edition
2.0L Petrol
Sedan
Automatic
261 HP (191 kW)
7.5 mpg
Details

Expensive

£27,250

Buyacar

Delivered to you

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

45 TFSI 265 Quattro S Line 4dr S

2022
31,621 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
261 HP (191 kW)
7.5 mpg
Details

Expensive

£28,318

£27,940

Honestjohn

WC1E 7DP Greater London, London

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1 / 2

Used (2021) Audi A6 Black Edition 265 HP | Expensive

Avant 2.0 TFSI 45 Black Edition

2021
43,880 miles
Trim level: Black Edition
2.0L Petrol
Estate
Automatic
265 HP (194 kW)
7.5 mpg
Details

Expensive

£26,695

Motors.co.uk

LE10 3DJ Leicestershire, Leicestershire

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Sandicliffe.co.uk

Used Mercedes CLA200 Executive 163 HP (119 kW) 2023 Red Coupe

(2023) Mercedes CLA200 Executive 163 HP

£22,744

Good price

You save £1,556

Nottingham, Nottinghamshire

123 g CO2/km comb. - 163 HP (119 kW) - 44.1 Mpg

Sandicliffe.co.uk

Used Mercedes CLA200 AMG line 163 HP (119 kW) 2022 White Coupe

(2022) Mercedes CLA200 AMG line 163 HP

£17,294

Good price

You save £1,906

LE12 Loughborough, Leicestershire

123 g CO2/km comb. - 163 HP (119 kW) - 47.9 Mpg

Sandicliffe.co.uk

Used BMW 320 M Sport 184 HP (135 kW) 2022 White Sedan

(2022) BMW 320 M Sport 184 HP

£20,392

Super price

You save £3,408

LE12 Loughborough, Leicestershire

127 g CO2/km comb. - 184 HP (135 kW) - 44.1 Mpg

Sandicliffe.co.uk

Used Audi A4 Sport 150 HP (110 kW) 2022 Black Estate

(2022) Audi A4 Sport 150 HP

£18,926

Fair price

You save £974

LE11 5HN Leicestershire, Leicestershire

150 HP (110 kW)

Used (2026) Audi A6 Sport 204 HP | Expensive

2.0 TFSI 204 Sport 5dr S Troni

Mar 2026
4,509 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 164 g CO2/km comb.
Details

Expensive

£40,295

£39,895

Dealer

WC1E 7DP Greater London, London

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New

Used (2023) Audi A6 S-Line 265 HP | Expensive

N/A S line 45 TFSI quattro 265 PS

2023
22,521 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
265 HP (194 kW)
7.3 mpg
Details

Expensive

£29,990

£29,995

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New (2026) Audi A6 Comfort 204 HP | Expensive

2.0 TDI Quattro 204 Edition 1 4dr

2026
1,000 miles
Trim level: Comfort
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
5.1 mpg
Details

Expensive

£51,995

Honestjohn

RM3 0YD Greater London, London

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1 / 3

Used (2015) Audi A6 Black Edition 190 HP | Expensive

2.0 TDI Ultra Black Edition 5dr S

2015
114,000 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
4.6 mpg
Details

Expensive

£10,950

Motors.co.uk

S4 8LU South Yorkshire, South Yorkshire

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1 / 4

Used (2016) Audi A6 Black Edition 190 HP | Expensive

2.0 TDI Ultra Black Edition 5dr S

2016
58,000 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
5.1 mpg
Details

Expensive

£17,490

Motors.co.uk

SA14 9TD Carmarthenshire, Dyfed

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New

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

2.0 TDI Quattro 204 S line 5dr S

2025
5,180 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
Details

Expensive

£43,000

Honestjohn

WC1E 7DP Greater London, London

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1 / 3

New (2026) Audi A6 S-Line 200 HP | Expensive

2.0 TDI Quattro 204 Edition 1 4dr

2026
1,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
200 HP (147 kW)
5.1 mpg
Details

Expensive

£51,995

Buyacar

Delivered to you

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New

New (2026) Audi A6 S-Line 295 HP | Expensive

2.0 e-Hybrid Quattro 299 Edition 1

2026
10 miles
Trim level: S-Line
2.0L Electric/Petrol
Sedan
Automatic
295 HP (216 kW)
CO2 emissions: 51 g CO2/km comb.
2.2 mpg
Details

Expensive

£55,000

Buyacar

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1 / 4

Used (2018) Audi A6 S-Line | Expensive

2.0 TDI 40 S line S Tronic Euro 6

2018
93,600 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
Details

Expensive

£14,999

Exchange and Mart

Hampshire, Hampshire

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New

Used (2013) Audi A6 | Expensive

S6 TFSI Quattro 4dr S Tronic

2013
83,000 miles
4.0L Petrol
Sedan
Automatic
Details

Expensive

£14,995

Motors.co.uk

DY9 8HX West Midlands, West Midlands

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Used Mercedes CLA180 AMG Line Premium 136 HP (100 kW) 2022 Sedan

(2022) Mercedes CLA180 AMG Line Premium 136 HP

£17,800

Fair price

You save £500

RM20 3NL Purfleet-On-Thames, Essex

138 g CO2/km comb. - 136 HP (100 kW) - 6.1 Mpg

Carwow

Used Mercedes E220 AMG line 194 HP (142 kW) 2019 Blue Sedan

(2019) Mercedes E220 AMG line 194 HP

£19,770

Fair price

You save £430

UB11 1FW Hayes, London

162 g CO2/km comb. - 194 HP (142 kW) - 6.1 Mpg

Carwow

Used BMW 520 M Sport 190 HP (139 kW) 2020 Grey Estate

(2020) BMW 520 M Sport 190 HP

£19,345

Good price

You save £2,055

PO2 9QZ Hilsea, Hampshire

140 g CO2/km comb. - 190 HP (139 kW) - 5.3 Mpg

Carwow

Used BMW 520 M Sport 190 HP (139 kW) 2019 Grey Sedan

(2019) BMW 520 M Sport 190 HP

£20,395

Fair price

Estimated price £19,821

S80 2QD Nottinghamshire, Nottinghamshire

169 g CO2/km comb. - 190 HP (139 kW) - 6.1 Mpg

New

1 / 4

Used (2018) Audi A6 S-Line | Expensive

Saloon 2.0 TDI 40 S line S Tronic

2018
120,515 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
Details

Expensive

£13,990

Motors.co.uk

RG6 1AZ Earley, Berkshire

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Used (2026) Audi A6 Sport 204 HP | Expensive

2.0 TDI Quattro 204 Sport 5dr S

2026
2,000 miles
Trim level: Sport
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
5.1 mpg
Details

Expensive

£44,995

£44,750

Honestjohn

RM3 0YD Greater London, London

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Used (2026) Audi A6 Sport 204 HP | Expensive

2.0 TDI Quattro 204 Sport 4dr S

2026
3,000 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
5.1 mpg
Details

Expensive

£40,995

£40,750

Honestjohn

RM3 0YD Greater London, London

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Used (2025) Audi A6 Black Edition 204 HP | Expensive

40 TDI Quattro Black Edition 5dr S

Sep 2025
4,475 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 160 g CO2/km comb.
Details

Expensive

£43,295

Buyacar

Delivered to you

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-3%

Used (2024) Audi A6 Black Edition 200 HP | Expensive

40 TDI Quattro Black Edition 5dr S

2024
17,805 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
200 HP (147 kW)
5.6 mpg
Details

Expensive

£38,499

£39,999

Honestjohn

WC1E 7DP Greater London, London

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Used Audi A4 Black Edition 150 HP (110 kW) 2019 Black Estate

(2019) Audi A4 Black Edition 150 HP

£20,480

Fair price

Estimated price £20,007

CA11 9BF Westmorland And Furness, Cumbria

137 g CO2/km comb. - 150 HP (110 kW) - 7.3 Mpg

Carwow

Used BMW 218 M Sport 136 HP (100 kW) 2024 Coupe

(2024) BMW 218 M Sport 136 HP

£20,947

Fair price

Estimated price £20,016

DH11HP

133 g CO2/km comb. - 136 HP (100 kW) - 5.8 Mpg

Carwow

Used Audi A4 Black Edition 150 HP (110 kW) 2024 Blue Sedan

(2024) Audi A4 Black Edition 150 HP

£22,899

Good price

You save £2,401

CV4 9DU West Midlands, West Midlands

161 g CO2/km comb. - 150 HP (110 kW) - 7.1 Mpg

Carwow

(2024) BMW 218 M Sport 136 HP

£20,400

Good price

You save £1,500

RM203JT

133 g CO2/km comb. - 136 HP (100 kW) - 5.8 Mpg

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