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Audi A6 Valuation: 1,536 used car listings analysed

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

(2021) Audi A6 Black Edition 204 HP

£23,500

Fair price

Estimated price £22,917

WD3 3RT Croxley Green, Hertfordshire

154 g CO2/km comb. - 204 HP (150 kW) - 5.9 Mpg

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

(2021) Audi A6 S-Line 204 HP

£19,495

Fair price

You save £1,105

OL96HT

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

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Used Audi A6 Sport 204 HP (150 kW) 2022 Grey Sedan

(2022) Audi A6 Sport 204 HP

£20,690

Super price

You save £3,310

ME5 9QG Kent, Kent

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

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Used Audi A6 S-Line 204 HP (150 kW) 2023 Black Estate

(2023) Audi A6 S-Line 204 HP

£24,990

Good price

You save £2,410

BB13HT Hyndburn, Lancashire

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

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New (2026) Audi A6 Sport | Fair price

2.0 E-Hybrid Quattro 299 Sport 5Dr

2026
10 miles
Trim level: Sport
2.0L Electric/Petrol
Estate
Automatic
2.2 mpg
Details

Fair price

£39,990

£41,990

Dealer

NE28 9NT Tyne And Wear, Tyne And Wear

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Used (2017) Audi A6 190 HP | Fair price

2.0 TDI Ultra SE Executive 5dr S

2017
49,907 miles
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
4.4 mpg
Details

Fair price

£14,150

Dealer

London, London

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-27%

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Used (2026) Audi A6 S-Line 204 HP | Fair price

A6 AVANT 2.0 TDI Quattro 204

2026
5,655 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
5.1 mpg
Details

Fair price

£41,359

£56,990

Dealer

RG14 2AB Berkshire, Berkshire

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Used (2025) Audi A6 Black Edition 204 HP | Fair price

Avant 2.0 TFSI 40 Black Edition

Mar 2025
5,039 miles
Trim level: Black Edition
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 181 g CO2/km comb.
7.1 mpg
Details

Fair price

£35,550

£36,895

Dealer

London, London

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Used Audi A6 Sport 204 HP (150 kW) 2022 Black Estate

(2022) Audi A6 Sport 204 HP

£20,499

Super price

You save £3,001

SO15 0LP Southampton, Hampshire

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

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Used Audi A6 S-Line 204 HP (150 kW) 2023 Blue Estate

(2023) Audi A6 S-Line 204 HP

£25,455

Fair price

You save £445

PE45BH Huntingdon, Cambridgeshire

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

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

(2021) Audi A6 Black Edition 204 HP

£19,195

Good price

You save £1,805

S80 2QD Nottinghamshire, Nottinghamshire

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

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

(2021) Audi A6 Black Edition 204 HP

£21,449

Good price

You save £1,451

NP194SS Newport

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

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Used (2016) Audi A6 S-Line 190 HP | Fair price

2.0 TDI Ultra S Line 4dr S

2016
102,590 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
CO2 emissions: 114 g CO2/km comb.
64 mpg
Details

Fair price

£8,750

£8,950

Dealer

WA4 1AB Warrington, Cheshire

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Used (2019) Audi A6 S-Line | Fair price

50 TDI Quattro S Line 4dr Tip

2019
25,800 miles
Trim level: S-Line
3.0L Diesel
Sedan
Automatic
Details

Fair price

£22,480

£22,980

Dealer

London, London

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-2%

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Used (2017) Audi A6 S-Line 190 HP | Fair price

Avant 2.0 TDI ultra S line Estate

2017
65,621 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
4.4 mpg
Details

Fair price

£14,990

£15,390

Dealer

NP20 5NT Newport, Gwent

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Used (2018) Audi A6 S-Line | Fair price

2.0 TDI Ultra S Line 5dr S

2018
151,000 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
4.4 mpg
Details

Fair price

£8,950

Dealer

London, London

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Used (2021) Audi A6 Black Edition 204 HP | Fair price

40 TDI Quattro Black Edition 4dr S

2021
51,574 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
Details

Fair price

£22,990

Dealer

London, London

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Used (2017) Audi A6 Black Edition 187 HP | Fair price

2.0 TDI Ultra Black Edition 5dr S

2017
65,000 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
187 HP (137 kW)
CO2 emissions: 122 g CO2/km comb.
4.4 mpg
Details

Fair price

£15,500

£16,000

Dealer

RG14 2AE Berkshire, Berkshire

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

(2021) Audi A6 Sport 204 HP

£18,800

Fair price

You save £1,000

WS11 8LX Great Wyrley, Staffordshire

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

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(2021) Audi A6 Sport 204 HP

£18,509

Super price

You save £3,091

RM13 8RH Greater London, London

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

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Used Audi A6 Sport 204 HP (150 kW) 2022 Black Sedan

(2022) Audi A6 Sport 204 HP

£18,900

Super price

You save £2,800

WD3 3RT Croxley Green, Hertfordshire

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

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Used Audi A6 Sport 204 HP (150 kW) 2023 Black Estate

(2023) Audi A6 Sport 204 HP

£23,990

Good price

You save £2,210

MK15 0DQ Milton Keynes, Buckinghamshire

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

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Used (2012) Audi A6 S-Line | Fair price

3.0 TDI Quattro S Line 5dr S

2012
192,950 miles
Trim level: S-Line
3.0L Diesel
Estate
Automatic
Details

Fair price

£3,499

£3,799

Dealer

London, London

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-9%

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Used (2016) Audi A6 190 HP | Fair price

Saloon 2.0 TDI ultra SE Saloon 4dr

2016
124,600 miles
2.0L Diesel
Sedan
Manual
190 HP (139 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£5,695

£6,295

Dealer

B61 0EZ Lickey End, Worcestershire

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Used (2026) Audi A6 Sport | Fair price

Saloon 2.0 e-hybrid 25.9kWh Sport

2026
2,943 miles
Trim level: Sport
2.0L Electric/Petrol
Sedan
Automatic
Details

Fair price

£34,695

£34,995

Dealer

London, London

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-7%

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Used (2015) Audi A6 Comfort 190 HP | Fair price

2.0 TDI Ultra SE 4dr S Tronic

2015
124,000 miles
Trim level: Comfort
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
4.6 mpg
Details

Fair price

£5,995

£6,495

Dealer

HP12 3UR Buckinghamshire, Buckinghamshire

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Used (2022) Audi A6 Black Edition 201 HP | Fair price

A6 2.0 Black Edition 40 TDI MHEV Q

2022
100,000 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
201 HP (147 kW)
Details

Fair price

£19,495

£19,350

Dealer

London, London

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-2%

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Used (2019) Audi A6 S-Line | Fair price

S Line 40 Tdi Semi-auto Saloon

2019
62,414 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
Details

Fair price

£16,790

£17,290

Exchange and Mart

London, London

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-2%

1 / 1

Used (2020) Audi A6 Black Edition 204 HP | Fair price

40 TDI Black Edition 4dr S

2020
41,202 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
Details

Fair price

£20,150

£20,750

Dealer

WD3 3RT Croxley Green, Hertfordshire

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Used (2019) Audi A6 Sport 201 HP | Fair price

A6 2.0 Sport 40 TDI Semi-Auto

2019
79,325 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
201 HP (147 kW)
CO2 emissions: 141 g CO2/km comb.
50.4 mpg
Details

Fair price

£14,395

£14,495

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WS9 0LS Aldridge, West Midlands

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Used (2023) Audi A6 Black Edition 299 HP | Fair price

50 TFSI e 17.9kWh Quattro Black

2023
55,884 miles
Trim level: Black Edition
2.0L Electric/Petrol
Sedan
Automatic
299 HP (219 kW)
CO2 emissions: 31 g CO2/km comb.
1.4 mpg
Details

Fair price

£25,300

Exchange and Mart

London, London

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1 / 1

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

40 Tfsi S Line 5Dr S Tronic

2023
28,106 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
Details

Fair price

£26,249

Dealer

London, London

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Used Audi A6 S-Line 204 HP (150 kW) 2019 Black Sedan

(2019) Audi A6 S-Line 204 HP

£18,149

Fair price

Estimated price £17,894

E4 7PX Greater London, London

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

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Used Audi A6 Black Edition 204 HP (150 kW) 2020 White Sedan

(2020) Audi A6 Black Edition 204 HP

£23,150

Fair price

Estimated price £22,482

WD3 3RT Croxley Green, Hertfordshire

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

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Used Audi A6 Sport 204 HP (150 kW) 2023 Blue Estate

(2023) Audi A6 Sport 204 HP

£23,514

Super price

You save £3,286

BD2 1DS West Yorkshire, West Yorkshire

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

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Used Audi A6 S-Line 204 HP (150 kW) 2019 Grey Sedan

(2019) Audi A6 S-Line 204 HP

£18,290

Fair price

Estimated price £17,835

WF2 7AW West Yorkshire, West Yorkshire

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

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Used (2014) Audi A6 S-Line 190 HP | Fair price

2.0 TDI Ultra S Line 4dr

2014
108,587 miles
Trim level: S-Line
2.0L Diesel
Sedan
Manual
190 HP (139 kW)
4.6 mpg
Details

Fair price

£6,750

Dealer

London, London

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-5%

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New (2026) Audi A6 Sport | Fair price

2.0 E-Hybrid 25.9Kwh Sport Estate

2026
17 miles
Trim level: Sport
2.0L Electric/Petrol
Estate
Automatic
2.2 mpg
Details

Fair price

£39,591

£41,999

Dealer

NE4 7LA Tyne And Wear, Tyne And Wear

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Used (2019) Audi A6 S-Line | Fair price

S Line 40 Tdi Semi-auto Saloon

2019
49,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
Details

Fair price

£18,995

£19,295

Exchange and Mart

Hampshire, Hampshire

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Used (2015) Audi A6 S-Line | Fair price

S Line Tdi Quattro Semi-auto

2015
132,090 miles
Trim level: S-Line
3.0L Diesel
Estate
Automatic
Details

Fair price

£9,595

Exchange and Mart

London, London

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Used (2015) Audi A6 Black Edition 187 HP | Fair price

2.0 TDI Ultra Black Edition

2015
135,000 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Manual
187 HP (137 kW)
CO2 emissions: 119 g CO2/km comb.
62 mpg
Details

Fair price

£5,795

£5,995

Dealer

HP5 2EN Buckinghamshire, Buckinghamshire

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Used Audi A6 Sport 204 HP (150 kW) 2023 Grey Estate

(2023) Audi A6 Sport 204 HP

£21,449

Super price

You save £3,951

B65SU Birmingham, West Midlands

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

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Used Audi A6 Sport 204 HP (150 kW) 2022 Blue Sedan

(2022) Audi A6 Sport 204 HP

£22,980

Super price

You save £2,720

CA3 0HA Cumberland, Cumbria

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

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Used Audi A6 Sport 204 HP (150 kW) 2023 Black Sedan

(2023) Audi A6 Sport 204 HP

£19,749

Super price

You save £4,351

DE216BZ Derby, Derbyshire

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

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Used Audi A6 S-Line 299 HP (219 kW) 2022 Black Estate

(2022) Audi A6 S-Line 299 HP

£18,110

Super price

You save £3,590

ME5 9QG Kent, Kent

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

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