2025 Audi A6 • Compare 161 used cars with valuation

Market overview: March-2026 Price Analysis: A used Audi A6 from 2025 currently costs between £36,961 and £59,991. On average, the mileage for this year stands at 5,738 miles. The depreciation and price trend over the last 12 months is £600.

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Carwow Leasing

2026

(2026) Audi A6 Sport 204 HP

£53,959

Fair price

You save £441

HP7 9JD Buckinghamshire, Buckinghamshire

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

Carwow Leasing

2025

(2025) Audi A6 S-Line 204 HP

£53,751

Fair price

You save £649

HP7 9JD Buckinghamshire, Buckinghamshire

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

Carwow Leasing

2026

(2026) Audi A6 Sport 204 HP

£47,285

Super price

You save £7,115

BH124QN

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

Carwow Leasing

2026

(2026) Audi A6 204 HP

£57,686

Good price

You save £2,014

HP7 9JD Buckinghamshire, Buckinghamshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-1%

New (2025) Audi A6 204 HP | Good price

- 2.0 TDI Quattro 204 Edition 1

2025
0 miles
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 143 g CO2/km comb.
mpg: 5.5
Details

Good price

£61,701

£62,884

SG5 1RQ Hertfordshire, Hertfordshire

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-4%

1 / 4

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

- Avant 40 TDI Quattro S Line 5dr

2025
23,036 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 152 g CO2/km comb.
mpg: 5.8
Details

Good price

£31,849

£33,249

G329QA

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Availability verified

-4%

1 / 4

New (2025) Audi A6 S-Line 204 HP | Super price

- 2.0 TFSI 204 S line 4dr

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

Super price

£49,780

£52,280

BH12 4QN Bournemouth, Christchurch And Poole, Dorset

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-5%

1 / 4

New (2025) Audi A6 204 HP | Super price

- 2.0 TFSI 204 Edition 1 4dr S

2025
0 miles
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 167 g CO2/km comb.
mpg: 7.3
Details

Super price

£54,400

£57,450

BH12 4QN Bournemouth, Christchurch And Poole, Dorset

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Carwow Leasing

2025

(2025) Audi A6 S-Line 204 HP

£49,780

Super price

You save £4,620

BH12 4QN Bournemouth, Christchurch And Poole, Dorset

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

Carwow Leasing

2026

(2026) Audi A6 Sport 204 HP

£50,296

Good price

You save £3,404

B78 3JF Staffordshire, Staffordshire

161 g CO2/km comb. - 204 HP (150 kW) - 6.9 Mpg

Carwow Leasing

2025

(2025) Audi A6 S-Line 204 HP

£52,990

Fair price

You save £1,410

NN55DH, Northamptonshire

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

Carwow Leasing

2026

(2026) Audi A6 204 HP

£57,911

Fair price

You save £1,789

MK15 0DQ Milton Keynes, Buckinghamshire

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

1 / 4

New (2025) Audi A6 S-Line 204 HP | Good price

- 2.0 TFSI 204 S line 4dr

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

Good price

£51,849

£48,999

NN55DH, Northamptonshire

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1 / 1

New (2025) Audi A6 S-Line 204 HP | Good price

- 2.0 TDI Quattro 204 S line 4dr

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

Good price

£55,470

CF35 Pencoed, West Glamorgan

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-12%

1 / 4

New (2025) Audi A6 Sport 204 HP | Good price

2.0 TDI Quattro 204 Edition 1 4dr

2025
275 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
Details

Good price

£46,990

£53,990

Buyacar

Delivered to you

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-4%

1 / 4

New (2025) Audi A6 Comfort | Good price

Avant 2.0 TDI Edition 1 S Tronic

2025
17 miles
Trim level: Comfort
2.0L Diesel
Estate
Automatic
Details

Good price

£57,190

£59,990

Motors.co.uk

CW1 6YG Cheshire East, Cheshire

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-4%

1 / 4

New (2025) Audi A6 Comfort | Good price

Saloon 2.0 TDI Edition 1 S Tronic

2025
17 miles
Trim level: Comfort
2.0L Diesel
Sedan
Automatic
Details

Good price

£55,490

£57,990

Motors.co.uk

CW1 6YG Cheshire East, Cheshire

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-9%

1 / 4

New (2025) Audi A6 Advanced | Good price

Saloon 2.0 TDI Edition 1 S Tronic

2025
10 miles
Trim level: Advanced
2.0L Diesel
Sedan
Automatic
Details

Good price

£60,350

£66,650

Motors.co.uk

PR2 2JZ Ashton-On-Ribble, Lancashire

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Carwow Leasing

2025

(2025) Audi A6 S-Line 204 HP

£55,470

Good price

You save £3,730

CF35 Pencoed, West Glamorgan

135 g CO2/km comb. - 204 HP (150 kW) - 5.2 Mpg

Carwow Leasing

2025

(2025) Audi A6 204 HP

£61,566

Fair price

Estimated price £60,428

WA5 7YD Warrington, Cheshire

170 g CO2/km comb. - 204 HP (150 kW) - 7.4 Mpg

Carwow Leasing

2026

(2026) Audi A6 S-Line 204 HP

£53,031

Fair price

You save £1,369

B78 3JF Staffordshire, Staffordshire

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

Carwow Leasing

2025

(2025) Audi A6 S-Line 204 HP

£51,849

Good price

You save £2,551

NN55DH, Northamptonshire

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

1 / 4

New (2025) Audi A6 S-Line | Good price

Avant 2.0 TFSI 40 S line S Tronic

2025
7 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
Details

Good price

£52,970

Motors.co.uk

ST4 4DD Stoke-On-Trent, Staffordshire

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New

New (2025) Audi A6 S-Line 295 HP | Super price

2.0 e-Hybrid Quattro 299 S line

2025
816 miles
Trim level: S-Line
2.0L Electric/Petrol
Sedan
Automatic
295 HP (216 kW)
Details

Super price

£46,595

Buyacar

Delivered to you

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1 / 3

New (2025) Audi A6 204 HP | Fair price

-Avant 2.0 TFSI 204 Edition 1 5dr

2025
0 miles
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 170 g CO2/km comb.
mpg: 7.4
Details

Fair price

£61,566

£59,463

WA5 7YD Warrington, Cheshire

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1 / 1

New (2025) Audi A6 204 HP | Fair price

-2.0 TDI Quattro 204 Edition 1 4dr

2025
0 miles
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 143 g CO2/km comb.
mpg: 5.5
Details

Fair price

£64,666

£64,278

HP7 9JD Buckinghamshire, Buckinghamshire

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1 / 1

New (2025) Audi A6 S-Line 204 HP | Fair price

-2.0 TFSI 204 S line 4dr Troni

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

Fair price

£53,751

£53,498

HP7 9JD Buckinghamshire, Buckinghamshire

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1 / 1

New (2025) Audi A6 204 HP | Fair price

- Avant 2.0 TDI Quattro 204

2025
0 miles
2.0L Diesel
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 146 g CO2/km comb.
mpg: 5.6
Details

Fair price

£65,985

£65,001

M16 9UA Greater Manchester, Manchester

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Availability verified

-2%

1 / 1

New (2025) Audi A6 204 HP | Fair price

- 2.0 TDI Quattro 204 Launch Ed

2025
0 miles
2.0L Diesel
Sedan
Automatic
204 HP (150 kW)
CO2 emissions: 147 g CO2/km comb.
mpg: 5.6
Details

Fair price

£63,384

£64,679

B62 8RD West Midlands, West Midlands

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Availability verified

New (2025) Audi A6 S-Line 204 HP | Fair price

-2.0 TFSI 204 S line 4dr Troni

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

Fair price

£54,546

£54,252

B62 8RD West Midlands, West Midlands

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Availability verified

-4%

1 / 4

New (2025) Audi A6 S-Line 204 HP | Fair price

-2.0 TFSI 204 S line 4dr Troni

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

Fair price

£52,990

£55,440

NN55DH, Northamptonshire

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1 / 4

New (2025) Audi A6 Sport 299 HP | Fair price

SALOON 2.0 e-Hybrid Quattro 299

2025
736 miles
Trim level: Sport
2.0L Electric/Petrol
Sedan
Automatic
299 HP (219 kW)
Details

Fair price

£53,970

£53,990

Honestjohn

WC1E 7DP Greater London, London

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Carwow Leasing

2026

(2026) Audi A6 S-Line 204 HP

£53,976

Fair price

You save £424

B78 3JF Staffordshire, Staffordshire

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

Carwow Leasing

2026

(2026) Audi A6 204 HP

£58,270

Super price

You save £6,230

HR1 1LN Herefordshire, Herefordshire

143 g CO2/km comb. - 204 HP (150 kW) - 5.5 Mpg

Carwow Leasing

2025

(2025) Audi A6 204 HP

£54,400

Super price

You save £5,300

BH12 4QN Bournemouth, Christchurch And Poole, Dorset

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

Carwow Leasing

Photos coming soon

2025

(2025) Audi A6 204 HP

£61,701

Good price

You save £2,799

SG5 1RQ Hertfordshire, Hertfordshire

143 g CO2/km comb. - 204 HP (150 kW) - 5.5 Mpg

-3%

1 / 4

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

Avant 2.0 TFSI 40 S line Estate

Mar 2025
11,200 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2 emissions: 172 g CO2/km comb.
mpg: 37.2
Details

Fair price

£32,891

£33,995

Dealer

WN3 5AA Greater Manchester, Manchester

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1 / 4

New (2025) Audi A6 Advanced 204 HP | Fair price

2.0 TDI Quattro 204 Launch Ed Plus

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

Fair price

£49,897

£49,999

Motors.co.uk

GU14 6FE Hampshire, Hampshire

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-10%

1 / 4

New (2025) Audi A6 Premium | Fair price

2.0 TDI Quattro 204 Edition 1 5dr

2025
17 miles
Trim level: Premium
2.0L Diesel
Estate
Automatic
Details

Fair price

£55,290

£61,890

Motors.co.uk

CW1 6YG Cheshire East, Cheshire

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1 / 4

New (2025) Audi A6 S-Line 200 HP | Fair price

Avant 2.0 TDI Quattro 204 S line

2025
1,024 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
200 HP (147 kW)
Details

Fair price

£50,000

Buyacar

Delivered to you

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New (2025) Audi A6 Sport 200 HP | Fair price

Avant 2.0 TFSI 204 Sport 5dr S

2025
1 miles
Trim level: Sport
2.0L Petrol
Estate
Automatic
200 HP (147 kW)
Details

Fair price

£57,384

Buyacar

Delivered to you

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Photos coming soon

2025

(2025) Audi A6 S-Line 204 HP

£54,546

Fair price

Estimated price £54,407

B62 8RD West Midlands, West Midlands

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

Carwow Leasing

Photos coming soon

2026

(2026) Audi A6 S-Line 204 HP

£53,256

Fair price

You save £1,144

SG5 1RQ Hertfordshire, Hertfordshire

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

Carwow Leasing

2026

(2026) Audi A6 204 HP

£56,186

Good price

You save £3,514

M16 9UA Greater Manchester, Manchester

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

Carwow Leasing

2025

(2025) Audi A6 204 HP

£63,384

Fair price

You save £1,116

B62 8RD West Midlands, West Midlands

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

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