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Audi A6 Valuation: 1,531 used car listings analysed

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

(2021) Audi A6 S-Line 204 HP

£21,349

Fair price

Estimated price £20,846

PE296WP Huntingdon, Cambridgeshire

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

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

(2023) Audi A6 Sport 204 HP

£22,980

Super price

You save £4,920

CA3 0HA Cumberland, Cumbria

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

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Used Audi A6 S-Line 204 HP (150 kW) 2022 Black Sedan

(2022) Audi A6 S-Line 204 HP

£19,758

Good price

You save £1,842

RM13 8RH Greater London, London

162 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 Sedan

(2023) Audi A6 S-Line 204 HP

£24,762

Fair price

You save £1,038

TS18 3RB Stockton-On-Tees, Durham

162 g CO2/km comb. - 204 HP (150 kW) - 40.0 Mpg

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-23%

1 / 1

Used (2017) Audi A6 Design 190 HP

Saloon 2.0 TDI ultra SE Executive

2017
191,000 miles
Trim level: Design
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
5.1 mpg
Details

£4,950

£6,450

Not evaluated

Dealer

PE1 5BH Peterborough, Cambridgeshire

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1 / 1

Used (2013) Audi A6 Black Edition 174 HP

Avant 2.0 TDI Black Edition

2013
87,840 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
174 HP (127 kW)
CO2 emissions: 135 g CO2/km comb.
5.1 mpg
Details

£11,995

Not evaluated

Dealer

G73 1LJ Rutherglen, Lanarkshire

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1 / 1

Used (2018) Audi A6 S-Line 282 HP

Avant 3.0 TDI V6 50 S line 5dr -

2018
62,000 miles
Trim level: S-Line
3.0L Diesel
Estate
Automatic
282 HP (207 kW)
Details

£23,990

£23,290

Not evaluated

Dealer

M34 5DR Audenshaw, Manchester

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1 / 1

Used (2026) Audi A6 S-Line | Rare vehicle

A6 AVANT FSI QUATTRO S-LINE 4WD

2026
47,600 miles
Trim level: S-Line
2.8L Petrol
Estate
Automatic
Details

£12,995

Rare vehicle

Dealer

RM13 8DR Greater London, London

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

(2021) Audi A6 Sport 204 HP

£19,049

Good price

You save £1,251

G32 9QA Glasgow City, Glasgow

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) 2019 Black Sedan

(2019) Audi A6 S-Line 204 HP

£17,293

Fair price

Estimated price £16,460

G4 0DH Glasgow City, Glasgow

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

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

(2022) Audi A6 Sport 204 HP

£20,670

Super price

You save £3,330

ME5 9QG Kent, Kent

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

-17%

1 / 1

Used (2018) Audi A6 190 HP

1.8 TFSI SE Executive 4dr S

2018
63,000 miles
1.8L Petrol
Sedan
Automatic
190 HP (139 kW)
5.9 mpg
Details

£7,295

£8,795

Not evaluated

Dealer

B33 9NE West Midlands, West Midlands

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1 / 1

Used (2022) Audi A6 Design | Rare vehicle

1.8 T SE 1.8 TFSI SE Executive 4dr

2022
20,000 miles
Trim level: Design
1.8L Petrol
Sedan
Automatic
Details

£13,995

Rare vehicle

Dealer

CM20 2JD Essex, Essex

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1 / 1

Used (2014) Audi A6 Advanced 450 HP | Rare vehicle

S6 TFSI Quattro 5dr S Tronic

2014
83,735 miles
Trim level: Advanced
4.0L Petrol
Estate
Automatic
450 HP (330 kW)
Details

£16,991

Rare vehicle

Dealer

EH11 4EX Edinburgh, Edinburgh

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1 / 1

Used (2010) Audi A6 S-Line 220 HP | Rare vehicle

C6 SALOON 2.8 FSI V6 S LINE

2010
38,000 miles
Trim level: S-Line
2.8L Petrol
Sedan
Automatic
220 HP (161 kW)
CO2 emissions: 212 g CO2/km comb.
9.1 mpg
Details

£8,500

Rare vehicle

Dealer

SL1 8NJ Burnham, Buckinghamshire

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1 / 1

Used (2011) Audi A6 Performance 190 HP | Rare vehicle

Avant 2.7 TDI SE (10/08-) 5d

2011
130,132 miles
Trim level: Performance
2.7L Diesel
Estate
Manual
190 HP (139 kW)
CO2 emissions: 164 g CO2/km comb.
6.2 mpg
Details

£1,700

Rare vehicle

Dealer

B69 4NU West Midlands, West Midlands

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-40%

1 / 1

Used (2006) Audi A6 Comfort 177 HP | Rare vehicle

Avant 2.4 SE CVT 5dr

2006
156,000 miles
Trim level: Comfort
2.4L Petrol
Estate
Automatic
177 HP (130 kW)
CO2 emissions: 230 g CO2/km comb.
9.6 mpg
Details

£1,480

£2,480

Rare vehicle

Dealer

GU16 7ER Frimley, Surrey

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(2022) Audi A6 Sport 204 HP

£20,320

Super price

You save £3,880

PE1 5XL Peterborough, Cambridgeshire

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) 2021 Black Estate

(2021) Audi A6 S-Line 204 HP

£21,450

Good price

You save £1,850

SG5 1RQ Hertfordshire, Hertfordshire

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

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Used Audi A6 S-Line 204 HP (150 kW) 2020 Black Sedan

(2020) Audi A6 S-Line 204 HP

£19,360

Fair price

You save £740

SK2 6RS Cheshire, Manchester

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

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

(2021) Audi A6 Sport 204 HP

£18,690

Good price

You save £1,710

WS11 8LX Great Wyrley, Staffordshire

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

-1%

1 / 1

Used (2026) Audi A6 Comfort 295 HP

Avant 2.0 e-Hybrid Quattro 299

2026
2,500 miles
Trim level: Comfort
2.0L Electric/Petrol
Estate
Automatic
295 HP (216 kW)
CO2 emissions: 51 g CO2/km comb.
2.2 mpg
Details

£65,995

£66,995

Not evaluated

Dealer

WC1E 7DP Greater London, London

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1 / 1

Used (2011) Audi A6 177 HP

Saloon 2.0 TDI SE Saloon 4dr

2011
118,359 miles
2.0L Diesel
Sedan
Automatic
177 HP (130 kW)
CO2 emissions: 135 g CO2/km comb.
56 mpg
Details

£5,995

Not evaluated

Dealer

PL4 0SJ Plymouth, Devon

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1 / 1

Used (2020) Audi A6 Black Edition 294 HP

Saloon 50 TFSI e Quattro Black

2020
125,559 miles
Trim level: Black Edition
2.0L Electric/Petrol
Sedan
Automatic
294 HP (216 kW)
CO2 emissions: 43 g CO2/km comb.
Details

£16,490

Not evaluated

Dealer

NG7 7JN New Basford, Nottinghamshire

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1 / 1

Used (2013) Audi A6 S-Line 310 HP | Rare vehicle

C7 S Line 3.0 TFSI V6 Supercharged

2013
40,000 miles
Trim level: S-Line
3.0L Petrol
Sedan
Automatic
310 HP (228 kW)
CO2 emissions: 190 g CO2/km comb.
Details

£13,500

Rare vehicle

Dealer

SL1 8NJ Burnham, Buckinghamshire

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-9%

1 / 1

New (2025) Audi A6 Advanced 204 HP

Saloon 2.0 TDI Edition 1 S Tronic

2025
10 miles
Trim level: Advanced
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
5.1 mpg
Details

£59,995

£66,650

Not evaluated

Dealer

PR2 2JZ Ashton-On-Ribble, Lancashire

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1 / 1

Used (2015) Audi A6 Black Edition 190 HP

2.0 TDI Ultra Black Edition 4dr S

2015
110,000 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
CO2 emissions: 118 g CO2/km comb.
5.1 mpg
Details

£12,495

Not evaluated

Dealer

BT82 9PY Sion Mills

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1 / 2

Used (2015) Audi A6 Black Edition

3.0 TDI V6 Black Edition S Tronic

2015
73,000 miles
Trim level: Black Edition
3.0L Diesel
Estate
Automatic
Details

£19,499

Not evaluated

Exchange and Mart

Staffordshire, Staffordshire

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1 / 1

Used (2014) Audi A6 S-Line | Rare vehicle

Saloon 2.0 TFSI S line Edition S

2014
46,900 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
Details

£11,950

£10,950

Rare vehicle

Dealer

UB1 3DZ Greater London, London

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1 / 1

Used (2026) Audi A6 S-Line 340 HP

S-Line Quattro

2026
60,149 miles
Trim level: S-Line
3.0L Petrol
Estate
Automatic
340 HP (250 kW)
8 mpg
Details

£22,999

Not evaluated

Dealer

BS13 7TE Bishopsworth, Bristol

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1 / 1

Used (2012) Audi A6 265 HP | Rare vehicle

Saloon WHITE 2012(62) SUNROOF,

2012
57,000 miles
2.0L Electric/Petrol
Sedan
Automatic
265 HP (194 kW)
CO2 emissions: 145 g CO2/km comb.
6.2 mpg
Details

£8,995

Rare vehicle

Dealer

SS17 9HD Fobbing, Essex

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Used Audi A6 S-Line 265 HP (194 kW) 2022 Red Sedan

(2022) Audi A6 S-Line 265 HP

£22,999

Fair price

You save £201

WA8 9WZ Halton, Cheshire

174 g CO2/km comb. - 265 HP (194 kW) - 7.5 Mpg

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

(2021) Audi A6 Black Edition 204 HP

£23,991

Fair price

You save £709

TS17 0BA Thornaby, North Yorkshire

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

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(2021) Audi A6 Sport 204 HP

£24,350

Fair price

You save £650

B78 3JF Staffordshire, Staffordshire

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 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

-16%

1 / 1

Used (2007) Audi A6 Comfort 140 HP

Avant 2.0 TDI SE Estate 5dr Diesel

2007
48,000 miles
Trim level: Comfort
2.0L Diesel
Estate
Automatic
140 HP (102 kW)
CO2 emissions: 181 g CO2/km comb.
42 mpg
Details

£4,995

£5,995

Not evaluated

Dealer

SG19 1DH Sandy, Bedfordshire

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1 / 1

Used (2019) Audi A6 S-Line 204 HP

40 TDI S Line 4dr S Tronic

2019
98,432 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 142 g CO2/km comb.
48.7 mpg
Details

£16,450

Not evaluated

Dealer

BT46 5XE Tamlaght

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-12%

1 / 1

Used (2003) Audi A6 170 HP | Rare vehicle

2.4 SE 4DR MULTITRONIC PETROL ULEZ

2003
133,000 miles
2.4L Petrol
Sedan
Automatic
170 HP (125 kW)
CO2 emissions: 230 g CO2/km comb.
29 mpg
Details

£1,750

£1,995

Rare vehicle

Dealer

RG7 4RT Reading, Berkshire

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New

New (2026) Audi A6 S-Line

Saloon 2.0 TFSI Edition 1 S Tronic

Sep 2026
0 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
CO2 emissions: 167 g CO2/km comb.
6.8 mpg
Details

£56,995

Not evaluated

Dealer

Audi, Dumfriesshire

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-2%

Used (2026) Audi A6 S-Line 299 HP

A6 AVANT 2.0 e-Hybrid Qtro 299

2026
5,991 miles
Trim level: S-Line
2.0L Electric/Petrol
Estate
Automatic
299 HP (219 kW)
CO2 emissions: 51 g CO2/km comb.
2.2 mpg
Details

£50,490

£51,600

Not evaluated

Dealer

SW19 1JZ Greater London, London

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

(2022) Audi A6 Sport 204 HP

£23,249

Super price

You save £2,951

EH15 1BT Edinburgh, Edinburgh

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

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

(2022) Audi A6 Black Edition 204 HP

£24,199

Fair price

Estimated price £23,266

NP194SS Newport

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

Carwow

(2022) Audi A6 Black Edition 204 HP

£23,800

Fair price

Estimated price £22,668

WD3 3RT Croxley Green, Hertfordshire

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

Carwow

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

(2022) Audi A6 S-Line 299 HP

£18,320

Super price

You save £3,380

ME5 9QG Kent, Kent

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

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