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(S-Line) Audi A3 used • 91 cars for sale – Compares prices!

Featured deals

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,995

Fair price

Estimated price £23,927

BN164BD Angmering, West Sussex

148 HP (108 kW)

heycar

Audi A3 35 TDI S Line 5dr S Tronic

£25,000

Fair price

Estimated price £24,386

LS197BZ Rawdon, West Yorkshire

148 HP (108 kW)

Carwow

Audi A3 Saloon 35 TFSI Black Edition 4dr S Tronic

£27,840

Fair price

Estimated price £26,545

RH149AZ, West Sussex

132 g CO2/km comb. - 150 HP (110 kW) - 5.8 Mpg

heycar

Audi A3 35 TFSI Sport 5dr Hatchback

£19,995

Fair price

You save £1,205

BN164BD Angmering, West Sussex

131 g CO2/km comb. - 148 HP (108 kW)

heycar

Audi A3 35 TFSI S line 5dr

£19,995

Fair price

Estimated price £19,062

BN164BD Angmering, West Sussex

148 HP (108 kW)

Carwow

Audi A3 -Saloon 35 TDI Sport 4dr S Tronic

£21,150

Super price

You save £2,850

RH107ZJ Crawley, West Sussex

120 g CO2/km comb. - 150 HP (110 kW) - 4.6 Mpg

heycar

Audi A3 30 TFSI Sport 5dr S Tronic

£18,795

Fair price

You save £1,005

BN164BD Angmering, West Sussex

109 HP (80 kW)

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,730

Fair price

Estimated price £18,802

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,900

Fair price

You save £400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

Carwow

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,495

Fair price

Estimated price £24,395

PO198TH, West Sussex

134 g CO2/km comb. - 136 HP (100 kW) - 5.9 Mpg

heycar

Audi A1 35 TFSI S Line 5dr S Tronic

£21,890

Fair price

You save £410

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] SE 5dr Step Auto [Live Cockpit Pro]

£20,300

Super price

You save £3,400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

heycar

Audi A1 35 TFSI Black Edition 5dr S Tronic

£22,940

Fair price

You save £160

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

Audi A1 30 TFSI 110 Sport 5dr

£18,495

Fair price

Estimated price £18,268

BN164BD Angmering, West Sussex

123 g CO2/km comb. - 109 HP (80 kW)

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,650

Fair price

You save £1,150

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,990

Fair price

You save £710

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 30 TFSI 110 S Line 5dr Tronic [Tech Pack]

£19,040

Fair price

You save £1,060

RH107ZJ Crawley, West Sussex

135 g CO2/km comb. - 110 HP (80 kW) - 5.9 Mpg

Carwow

Mercedes A200 - A-Class[2.1] CDI Sport 5dr Auto

£9,990

Good price

You save £1,210

BN150QZ, West Sussex

103 g CO2/km comb. - 136 HP (100 kW) - 4.1 Mpg

heycar

Mercedes A180 A-ClassAMG Line Executive 5dr Auto

£24,295

Fair price

Estimated price £23,779

YO304WW York, North Yorkshire

134 HP (98 kW)

heycar

Skoda Fabia 1.5 TSI 150 SE L 5dr DSG

£19,900

Super price

You save £3,700

GU124NU, Hampshire

148 HP (108 kW)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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Dealer

New (2025) Audi A3 S-Line 148 HP | Good price

Saloon 35 TFSI S Line 4dr S

Good price

Used (2019) Audi A3 S-Line 147 HP | Super price

Saloon 35 TFSI S Line 4dr S

Super price

New (2024) Audi A3 S-Line 147 HP | Good price

35 TFSI S Line 5dr S Tronic

Good price

You save £1,935

Delivered to you

Visit Buyacar

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2022) Audi A3 S-Line 148 HP | Fair price

35 TFSI S Line 5dr S Tronic

BN164BD Angmering, West Sussex

Fair price

Estimated price £23,927

BN164BD Angmering, West Sussex

Visit heycar

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2020) Audi A3 S-Line 148 HP | Fair price

35 TFSI S line 5dr S Tronic

RH149AZ Horsham, West Sussex

Fair price

Estimated price £18,802

RH149AZ Horsham, West Sussex

Visit heycar

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2020) Audi A3 S-Line 148 HP | Fair price

35 TFSI S line 5dr

BN164BD Angmering, West Sussex

Fair price

Estimated price £19,062

BN164BD Angmering, West Sussex

Visit heycar

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2023) Audi A3 S-Line 148 HP | Fair price

35 TDI S Line 5dr S Tronic

Fair price

Estimated price £24,386

Delivered to you

Visit heycar

Dealer

Used (2024) Audi A3 S-Line 110 HP | Fair price

30 TFSI S Line 5dr S Tronic - 2024

WC1E 7DP London, London

Fair price

Estimated price £24,360

WC1E 7DP London, London

Visit Group1auto.co.uk

Dealer

Used (2024) Audi A3 S-Line 148 HP | Fair price

35 TFSI S Line 5dr S Tronic

Fair price

Estimated price £26,067

Delivered to you

Visit Buyacar

Dealer

Used (2023) Audi A3 S-Line 150 HP | Fair price

35 TFSI S Line 5dr S Tronic

WC1E 7DP London, London

Fair price

You save £550

WC1E 7DP London, London

Visit Group1auto.co.uk

Featured deals

heycar

Audi A3 35 TFSI S line 5dr

£19,995

Fair price

Estimated price £19,062

BN164BD Angmering, West Sussex

148 HP (108 kW)

Carwow

Audi A3 -Saloon 35 TDI Sport 4dr S Tronic

£21,150

Super price

You save £2,850

RH107ZJ Crawley, West Sussex

120 g CO2/km comb. - 150 HP (110 kW) - 4.6 Mpg

heycar

Audi A3 30 TFSI Sport 5dr S Tronic

£18,795

Fair price

You save £1,005

BN164BD Angmering, West Sussex

109 HP (80 kW)

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,730

Fair price

Estimated price £18,802

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,900

Fair price

You save £400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

Carwow

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,495

Fair price

Estimated price £24,395

PO198TH, West Sussex

134 g CO2/km comb. - 136 HP (100 kW) - 5.9 Mpg

heycar

Audi A1 35 TFSI S Line 5dr S Tronic

£21,890

Fair price

You save £410

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] SE 5dr Step Auto [Live Cockpit Pro]

£20,300

Super price

You save £3,400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

heycar

Audi A1 35 TFSI Black Edition 5dr S Tronic

£22,940

Fair price

You save £160

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

Audi A1 30 TFSI 110 Sport 5dr

£18,495

Fair price

Estimated price £18,268

BN164BD Angmering, West Sussex

123 g CO2/km comb. - 109 HP (80 kW)

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,650

Fair price

You save £1,150

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,990

Fair price

You save £710

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 30 TFSI 110 S Line 5dr Tronic [Tech Pack]

£19,040

Fair price

You save £1,060

RH107ZJ Crawley, West Sussex

135 g CO2/km comb. - 110 HP (80 kW) - 5.9 Mpg

Carwow

Mercedes A200 - A-Class[2.1] CDI Sport 5dr Auto

£9,990

Good price

You save £1,210

BN150QZ, West Sussex

103 g CO2/km comb. - 136 HP (100 kW) - 4.1 Mpg

heycar

Mercedes A180 A-ClassAMG Line Executive 5dr Auto

£24,295

Fair price

Estimated price £23,779

YO304WW York, North Yorkshire

134 HP (98 kW)

heycar

Skoda Fabia 1.5 TSI 150 SE L 5dr DSG

£19,900

Super price

You save £3,700

GU124NU, Hampshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,995

Fair price

Estimated price £23,927

BN164BD Angmering, West Sussex

148 HP (108 kW)

heycar

Audi A3 35 TDI S Line 5dr S Tronic

£25,000

Fair price

Estimated price £24,386

LS197BZ Rawdon, West Yorkshire

148 HP (108 kW)

Carwow

Audi A3 Saloon 35 TFSI Black Edition 4dr S Tronic

£27,840

Fair price

Estimated price £26,545

RH149AZ, West Sussex

132 g CO2/km comb. - 150 HP (110 kW) - 5.8 Mpg

heycar

Audi A3 35 TFSI Sport 5dr Hatchback

£19,995

Fair price

You save £1,205

BN164BD Angmering, West Sussex

131 g CO2/km comb. - 148 HP (108 kW)

Dealer

Used (2023) Audi A3 S-Line 148 HP | Fair price

35 TFSI S Line 5dr S Tronic

Fair price

Used (2024) Audi A3 S-Line 148 HP | Fair price

Saloon 35 TFSI S Line 4dr

WC1E 7DP London, London

Fair price

You save £1,305

WC1E 7DP London, London

Visit Exchange and Mart

Dealer

Used (2024) Audi A3 S-Line | Fair price

40 TFSI e S Line 5dr S Tronic

Angmering, West Sussex

Fair price

Estimated price £25,790

Angmering, West Sussex

Visit Carsite.co.uk

Dealer

Used (2023) Audi A3 S-Line 147 HP | Fair price

Saloon 35 TFSI S Line 4dr S

WC1E 7DP London, London

Fair price

You save £270

WC1E 7DP London, London

Visit Honestjohn

Dealer

Used (2020) Audi A3 S-Line 147 HP | Fair price

35 TFSI S line 5dr

WC1E 7DP London, London

Fair price

Estimated price £18,551

WC1E 7DP London, London

Visit Motors.co.uk

Dealer

Used (2019) Audi A3 S-Line 147 HP | Fair price

35 TFSI S Line 5dr S Tronic

Fair price

Used (2024) Audi A3 S-Line 150 HP | Fair price

Saloon 35 TFSI S Line 4dr S

WC1E 7DP London, London

Fair price

You save £620

WC1E 7DP London, London

Visit Motors.co.uk

Dealer

Used (2024) Audi A3 S-Line 150 HP | Fair price

SALOON 35 TFSI S Line 4dr S

WC1E 7DP London, London

Fair price

You save £353

WC1E 7DP London, London

Visit Motors.co.uk

Dealer

Used (2024) Audi A3 S-Line 150 HP | Fair price

Saloon 35 TFSI S Line 4dr S

Fair price

Used (2022) Audi A3 S-Line | Fair price

40 TFSI e S Line 5dr S Tronic

Fair price

Estimated price £22,738

Crawley, West Sussex

Visit Carsite.co.uk

Featured deals

heycar

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,900

Fair price

You save £400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

Carwow

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,495

Fair price

Estimated price £24,395

PO198TH, West Sussex

134 g CO2/km comb. - 136 HP (100 kW) - 5.9 Mpg

heycar

Audi A1 35 TFSI S Line 5dr S Tronic

£21,890

Fair price

You save £410

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] SE 5dr Step Auto [Live Cockpit Pro]

£20,300

Super price

You save £3,400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

heycar

Audi A1 35 TFSI Black Edition 5dr S Tronic

£22,940

Fair price

You save £160

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

Audi A1 30 TFSI 110 Sport 5dr

£18,495

Fair price

Estimated price £18,268

BN164BD Angmering, West Sussex

123 g CO2/km comb. - 109 HP (80 kW)

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,650

Fair price

You save £1,150

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,990

Fair price

You save £710

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 30 TFSI 110 S Line 5dr Tronic [Tech Pack]

£19,040

Fair price

You save £1,060

RH107ZJ Crawley, West Sussex

135 g CO2/km comb. - 110 HP (80 kW) - 5.9 Mpg

Carwow

Mercedes A200 - A-Class[2.1] CDI Sport 5dr Auto

£9,990

Good price

You save £1,210

BN150QZ, West Sussex

103 g CO2/km comb. - 136 HP (100 kW) - 4.1 Mpg

heycar

Mercedes A180 A-ClassAMG Line Executive 5dr Auto

£24,295

Fair price

Estimated price £23,779

YO304WW York, North Yorkshire

134 HP (98 kW)

heycar

Skoda Fabia 1.5 TSI 150 SE L 5dr DSG

£19,900

Super price

You save £3,700

GU124NU, Hampshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,995

Fair price

Estimated price £23,927

BN164BD Angmering, West Sussex

148 HP (108 kW)

heycar

Audi A3 35 TDI S Line 5dr S Tronic

£25,000

Fair price

Estimated price £24,386

LS197BZ Rawdon, West Yorkshire

148 HP (108 kW)

Carwow

Audi A3 Saloon 35 TFSI Black Edition 4dr S Tronic

£27,840

Fair price

Estimated price £26,545

RH149AZ, West Sussex

132 g CO2/km comb. - 150 HP (110 kW) - 5.8 Mpg

heycar

Audi A3 35 TFSI Sport 5dr Hatchback

£19,995

Fair price

You save £1,205

BN164BD Angmering, West Sussex

131 g CO2/km comb. - 148 HP (108 kW)

heycar

Audi A3 35 TFSI S line 5dr

£19,995

Fair price

Estimated price £19,062

BN164BD Angmering, West Sussex

148 HP (108 kW)

Carwow

Audi A3 -Saloon 35 TDI Sport 4dr S Tronic

£21,150

Super price

You save £2,850

RH107ZJ Crawley, West Sussex

120 g CO2/km comb. - 150 HP (110 kW) - 4.6 Mpg

heycar

Audi A3 30 TFSI Sport 5dr S Tronic

£18,795

Fair price

You save £1,005

BN164BD Angmering, West Sussex

109 HP (80 kW)

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,730

Fair price

Estimated price £18,802

RH149AZ Horsham, West Sussex

148 HP (108 kW)

Dealer

Used (2024) Audi A3 S-Line | Fair price

40 TFSI e S Line 5dr S Tronic

Angmering, West Sussex

Fair price

Estimated price £25,277

Angmering, West Sussex

Visit Carsite.co.uk

Dealer

Used (2019) Audi A3 S-Line 116 HP | Fair price

30 TDI 116 S Line 5dr S Tronic

WC1E 7DP London, London

Fair price

You save £757

WC1E 7DP London, London

Visit Honestjohn

Dealer

Used (2024) Audi A3 S-Line 109 HP | Fair price

Saloon 30 TFSI S Line 4dr S

Fair price

Estimated price £23,672

Delivered to you

Visit Buyacar

Dealer

Used (2016) Audi A3 S-Line 150 HP | Fair price

1.4 TFSI S Line 4dr S Tronic

PO20 1YU Chichester, West Sussex

Fair price

Estimated price £11,583

PO20 1YU Chichester, West Sussex

Visit Parkers.co.uk

Dealer

New (2024) Audi A3 S-Line 113 HP | Fair price

30 TFSI S Line 5dr

Fair price

You save £1,301

Delivered to you

Visit Buyacar

Featured deals

heycar

Audi A1 35 TFSI Black Edition 5dr S Tronic

£22,940

Fair price

You save £160

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

Audi A1 30 TFSI 110 Sport 5dr

£18,495

Fair price

Estimated price £18,268

BN164BD Angmering, West Sussex

123 g CO2/km comb. - 109 HP (80 kW)

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,650

Fair price

You save £1,150

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 25 TFSI Technik 5dr

£17,990

Fair price

You save £710

RH107ZJ Crawley, West Sussex

124 g CO2/km comb. - 95 HP (69 kW) - 5.5 Mpg

Carwow

Audi A1 Sportback - 30 TFSI 110 S Line 5dr Tronic [Tech Pack]

£19,040

Fair price

You save £1,060

RH107ZJ Crawley, West Sussex

135 g CO2/km comb. - 110 HP (80 kW) - 5.9 Mpg

Carwow

Mercedes A200 - A-Class[2.1] CDI Sport 5dr Auto

£9,990

Good price

You save £1,210

BN150QZ, West Sussex

103 g CO2/km comb. - 136 HP (100 kW) - 4.1 Mpg

heycar

Mercedes A180 A-ClassAMG Line Executive 5dr Auto

£24,295

Fair price

Estimated price £23,779

YO304WW York, North Yorkshire

134 HP (98 kW)

heycar

Skoda Fabia 1.5 TSI 150 SE L 5dr DSG

£19,900

Super price

You save £3,700

GU124NU, Hampshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,995

Fair price

Estimated price £23,927

BN164BD Angmering, West Sussex

148 HP (108 kW)

heycar

Audi A3 35 TDI S Line 5dr S Tronic

£25,000

Fair price

Estimated price £24,386

LS197BZ Rawdon, West Yorkshire

148 HP (108 kW)

Carwow

Audi A3 Saloon 35 TFSI Black Edition 4dr S Tronic

£27,840

Fair price

Estimated price £26,545

RH149AZ, West Sussex

132 g CO2/km comb. - 150 HP (110 kW) - 5.8 Mpg

heycar

Audi A3 35 TFSI Sport 5dr Hatchback

£19,995

Fair price

You save £1,205

BN164BD Angmering, West Sussex

131 g CO2/km comb. - 148 HP (108 kW)

heycar

Audi A3 35 TFSI S line 5dr

£19,995

Fair price

Estimated price £19,062

BN164BD Angmering, West Sussex

148 HP (108 kW)

Carwow

Audi A3 -Saloon 35 TDI Sport 4dr S Tronic

£21,150

Super price

You save £2,850

RH107ZJ Crawley, West Sussex

120 g CO2/km comb. - 150 HP (110 kW) - 4.6 Mpg

heycar

Audi A3 30 TFSI Sport 5dr S Tronic

£18,795

Fair price

You save £1,005

BN164BD Angmering, West Sussex

109 HP (80 kW)

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,730

Fair price

Estimated price £18,802

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,900

Fair price

You save £400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

Carwow

BMW 118 1 Series i [136] M Sport 5dr Step Auto [LCP]

£24,495

Fair price

Estimated price £24,395

PO198TH, West Sussex

134 g CO2/km comb. - 136 HP (100 kW) - 5.9 Mpg

heycar

Audi A1 35 TFSI S Line 5dr S Tronic

£21,890

Fair price

You save £410

RH149AZ Horsham, West Sussex

148 HP (108 kW)

heycar

BMW 118 1 Series i [136] SE 5dr Step Auto [Live Cockpit Pro]

£20,300

Super price

You save £3,400

BD48RU Bradford, West Yorkshire

134 HP (98 kW)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive