Brentwood: Audi A6 used – 35 cars for sale near you

Audi A6 40 TFSI S Line 5dr S Tronic - 2023 (73)

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

heycar

£31,895

Fair price

Estimated price £30,707

Audi A6 40 TFSI Sport 5dr S Tronic - 2022 (22)

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

heycar

£27,195

Good price

You save £2,205

Audi A6 40 TFSI S Line 4dr S Tronic [Tech Pack] - 2022 (72)

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

heycar

£26,500

Fair price

Estimated price £26,513

SS67UQ Rayleigh, Essex

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Used (2019) Audi A6 S-Line 204 HP | Good price

2.0 TDI 40 S line Saloon 4dr

Good price

You save £1,650

Visit Motors.co.uk

Used (2019) Audi A6 Sport 204 HP | Super price

Saloon 2.0 TDI 40 Sport Saloon 4dr

RM15 4YD Purfleet, Essex

Super price

You save £3,020

RM15 4YD Purfleet, Essex

Visit Parkers.co.uk

Used (2019) Audi A6 S-Line 204 HP | Good price

2.0 TDI 40 S line Estate 5dr

Good price

You save £2,150

Visit Parkers.co.uk

Used (2017) Audi A6 Black Edition 190 HP | Fair price

2.0 TDI Black Edition Saloon 4dr

Fair price

Estimated price £13,692

Visit Motors.co.uk

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

Saloon 2.0 TDI Quattro S Line 5dr

SS17 9HD LONDON, Essex

Fair price

You save £1,005

SS17 9HD LONDON, Essex

Visit Motors.co.uk

Visit Desperateseller.co.uk

Used (2018) Audi A6 S-Line 204 HP | Fair price

2.0 TDI 40 S line Estate 5dr

SS14 3AU Essex, Essex

Fair price

You save £550

SS14 3AU Essex, Essex

SS14 3AU East Midlands, Essex

Used (2015) Audi A6 Black Edition 320 HP | Not evaluated

3.0 TDI QUATTRO BLACK EDITION 4d

Not evaluated

SS14 3AU East Midlands, Essex

Visit Exchange and Mart

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

2.0 e-Hybrid Qtro 299 Launch

Super price

Used (2021) Audi A6 Sport 204 HP | Super price

SALOON Sport

Super price

Used (2025) Audi A6 S-Line 200 HP | Good price

40 TFSI S Line 4dr S Tronic

Good price

You save £2,500

Audi A6 -Avant 40 TDI Sport 5dr S Tronic

Featured deals

Carwow

Photos coming soon

£18,250

Super price

You save £3,550

CM13BH Chelmsford, Essex

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

Carwow

Mercedes CLA200 -AMG Line Executive 4dr Tip Auto

£35,310

Fair price

You save £290

IG103SD, Essex

134 g CO2/km comb. - 163 HP (119 kW) - 5.9 Mpg

heycar

BMW 320 3 Series i M Sport Touring 2.0 5dr

£34,995

Fair price

You save £905

CM25PG Chelmsford, Essex

153 g CO2/km comb. - 181 HP (133 kW) - 41.5 Mpg

Carwow

Audi A4 -Avant 40 TDI 204 Quattro S Line 5dr Tronic

£30,400

Fair price

Estimated price £29,239

CM13BH Chelmsford, Essex

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

Used (2022) Audi A6 Sport 200 HP | Super price

40 TFSI Sport 4dr S Tronic [Tech

Super price

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

Avant 2.0 TDI Quattro 204 S line

Good price

Used (2018) Audi A6 S-Line 200 HP | Fair price

40 TDI S Line 4dr S Tronic

Fair price

Estimated price £18,745

Visit Honestjohn

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

AVANT S Line

Fair price

Estimated price £34,008

Visit Honestjohn

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

Avant 40 TFSI S Line 5dr S

Fair price

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

40 TFSI S Line 4dr S Tronic

Fair price

New (2026) Audi A6 S-Line 200 HP | A bit pricey

2.0 TDI Quattro 204 Launch Edition

A bit pricey

Estimated price £58,128

Used (2023) Audi A6 Black Edition 200 HP | A bit pricey

Avant 40 TFSI Black Edition 5dr S

A bit pricey

Estimated price £31,651

Used (2022) Audi A6 Black Edition 200 HP | A bit pricey

Avant 40 TDI Quattro Black Edition

A bit pricey

Estimated price £30,051

New (2026) Audi A6 S-Line 200 HP | A bit pricey

2.0 TDI Quattro 204 S line 4dr S

A bit pricey

Estimated price £57,666

Audi A4 -Avant 40 TFSI 204 S Line 5dr Tronic

Featured deals

Carwow

£30,650

Fair price

Estimated price £29,258

CM13BH Westway, Essex

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

heycar

Audi A4 35 TFSI Sport Edition 5dr S Tronic - 2023 (23)

£27,595

Fair price

Estimated price £26,650

Audi A4 40 TFSI 204 S Line 4dr S Tronic

147 g CO2/km comb. - 150 HP (110 kW)

heycar

£27,850

Fair price

You save £150

BMW 520 - 5 Series Touring d xDrive MHT M Sport 5dr Step Auto

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

Carwow

£26,700

Fair price

You save £1,100

CM13BH Westway, Essex

142 g CO2/km comb. - 190 HP (139 kW) - 5.4 Mpg

New (2026) Audi A6 Sport 200 HP | A bit pricey

Avant 2.0 TFSI 204 Edition 1 5dr S

A bit pricey

Estimated price £59,071

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

40 TDI Quattro Black Edition 5dr S

Expensive

Estimated price £37,782

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

45 TFSI 265 Quattro Black Edition

Expensive

Estimated price £25,134

New (2025) Audi A6 Sport 200 HP | Expensive

2.0 TFSI 204 Edition 1 4dr S

Expensive

Estimated price £55,150

New (2025) Audi A6 | Expensive

Avant Avant Edition 1

Expensive

Estimated price £53,983