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(S-Line) Audi A3 used • 129 cars for sale – Compares prices!

Featured deals

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£23,900

Fair price

You save £300

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,300

Fair price

Estimated price £23,307

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,700

Fair price

Estimated price £23,970

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£26,400

Fair price

Estimated price £25,565

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr

£22,348

Fair price

Estimated price £22,228

TS183UR Stockton-on-Tees, Durham

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

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,900

Fair price

Estimated price £24,288

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr Hatchback

£21,500

Fair price

Estimated price £21,009

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£24,995

Fair price

You save £5

PH15AS Perth

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 4dr

£24,200

Fair price

You save £100

PE45BH Peterborough, Cambridgeshire

133 g CO2/km comb. - 148 HP (108 kW) - 47.9 Mpg

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£22,200

Fair price

Estimated price £21,128

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£22,700

Fair price

Estimated price £22,252

CB223AY Cambridge, Cambridgeshire

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

heycar

Audi A3 Saloon 35 TFSI Sport 4dr S Tronic

£19,400

Good price

You save £1,400

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,700

Fair price

You save £500

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 35 TFSI Technik 5dr S Tronic

£19,400

Good price

You save £1,500

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI Sport 4dr

£19,386

Super price

You save £3,514

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,300

Fair price

You save £200

PE45BH Peterborough, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£20,761

Fair price

Estimated price £20,458

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£18,880

Fair price

You save £220

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,900

Fair price

You save £600

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S line 4dr S Tronic

£20,900

Fair price

Estimated price £20,500

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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Dealer

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

35 TFSI S Line 5dr

DL149TW Bishop Auckland, Durham

Good price

You save £1,624

DL149TW Bishop Auckland, Durham

Visit Motors.co.uk

Dealer

Used (2021) Audi A3 S-Line 148 HP | Fair price

35 TFSI S Line 5dr S Tronic

DL149TW Bishop Auckland, Durham

Fair price

Estimated price £21,919

DL149TW Bishop Auckland, Durham

Visit Motors.co.uk

Dealer

Used (2022) Audi A3 S-Line 110 HP | Fair price

1.0 TFSI 30 S line Saloon 4dr

DL14 8QE Bishop Auckland, Durham

Fair price

Estimated price £20,181

DL14 8QE Bishop Auckland, Durham

Visit Desperateseller.co.uk

Dealer

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

35 TFSI S Line 5dr S Tronic

Super price

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

30 TFSI S Line 5dr S Tronic

Good price

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

35 TFSI S Line 5dr S Tronic

Super price

You save £4,149

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 (2018) Audi A3 S-Line 148 HP | Fair price

1.5 TFSI S Line 5dr

Fair price

You save £500

Delivered to you

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

Fair price

Estimated price £17,642

Delivered to you

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 TFSI S Line 5dr

Fair price

Estimated price £22,252

Delivered to you

Visit heycar

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

Used (2021) Audi A3 S-Line 148 HP | Fair price

Saloon 35 TFSI S Line 4dr S

Fair price

Estimated price £20,458

Delivered to you

Visit heycar

Featured deals

heycar

Audi A3 Saloon 35 TFSI S Line 4dr

£22,348

Fair price

Estimated price £22,228

TS183UR Stockton-on-Tees, Durham

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

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,900

Fair price

Estimated price £24,288

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr Hatchback

£21,500

Fair price

Estimated price £21,009

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£24,995

Fair price

You save £5

PH15AS Perth

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 4dr

£24,200

Fair price

You save £100

PE45BH Peterborough, Cambridgeshire

133 g CO2/km comb. - 148 HP (108 kW) - 47.9 Mpg

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£22,200

Fair price

Estimated price £21,128

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£22,700

Fair price

Estimated price £22,252

CB223AY Cambridge, Cambridgeshire

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

heycar

Audi A3 Saloon 35 TFSI Sport 4dr S Tronic

£19,400

Good price

You save £1,400

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,700

Fair price

You save £500

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 35 TFSI Technik 5dr S Tronic

£19,400

Good price

You save £1,500

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI Sport 4dr

£19,386

Super price

You save £3,514

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,300

Fair price

You save £200

PE45BH Peterborough, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£20,761

Fair price

Estimated price £20,458

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£18,880

Fair price

You save £220

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,900

Fair price

You save £600

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S line 4dr S Tronic

£20,900

Fair price

Estimated price £20,500

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£23,900

Fair price

You save £300

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,300

Fair price

Estimated price £23,307

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,700

Fair price

Estimated price £23,970

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£26,400

Fair price

Estimated price £25,565

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

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

Used (2018) Audi A3 S-Line 188 HP | Fair price

2.0 TFSI S Line 5dr Hatchback

Fair price

You save £1,000

Delivered to you

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 TFSI S Line 5dr S Tronic

Fair price

Estimated price £24,288

Delivered to you

Visit heycar

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

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

35 TFSI S Line 5dr S Tronic

Fair price

Estimated price £25,565

Delivered to you

Visit heycar

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

Used (2021) Audi A3 S-Line 148 HP | Fair price

35 TFSI S Line 5dr

Fair price

You save £220

Delivered to you

Visit heycar

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 Hatchback

Fair price

Estimated price £21,009

Delivered to you

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

Fair price

Estimated price £21,128

Delivered to you

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

Fair price

Estimated price £20,726

Delivered to you

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

Saloon 35 TFSI S line 4dr S

Fair price

Estimated price £20,500

Delivered to you

Visit heycar

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

Fair price

Estimated price £23,970

Delivered to you

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 TFSI S Line 5dr S Tronic

Fair price

You save £300

Delivered to you

Visit heycar

Featured deals

heycar

Audi A3 35 TFSI S Line 4dr

£24,200

Fair price

You save £100

PE45BH Peterborough, Cambridgeshire

133 g CO2/km comb. - 148 HP (108 kW) - 47.9 Mpg

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£22,200

Fair price

Estimated price £21,128

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£22,700

Fair price

Estimated price £22,252

CB223AY Cambridge, Cambridgeshire

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

heycar

Audi A3 Saloon 35 TFSI Sport 4dr S Tronic

£19,400

Good price

You save £1,400

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,700

Fair price

You save £500

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 35 TFSI Technik 5dr S Tronic

£19,400

Good price

You save £1,500

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI Sport 4dr

£19,386

Super price

You save £3,514

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,300

Fair price

You save £200

PE45BH Peterborough, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£20,761

Fair price

Estimated price £20,458

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£18,880

Fair price

You save £220

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,900

Fair price

You save £600

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S line 4dr S Tronic

£20,900

Fair price

Estimated price £20,500

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£23,900

Fair price

You save £300

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,300

Fair price

Estimated price £23,307

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,700

Fair price

Estimated price £23,970

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£26,400

Fair price

Estimated price £25,565

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr

£22,348

Fair price

Estimated price £22,228

TS183UR Stockton-on-Tees, Durham

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

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,900

Fair price

Estimated price £24,288

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr Hatchback

£21,500

Fair price

Estimated price £21,009

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£24,995

Fair price

You save £5

PH15AS Perth

148 HP (108 kW)

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 TFSI S Line 4dr

Fair price

You save £100

Delivered to you

Visit heycar

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

Used (2021) Audi A3 S-Line 148 HP | Fair price

35 TFSI S line 5dr S Tronic

Fair price

You save £200

Delivered to you

Visit heycar

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

Fair price

Estimated price £23,307

Delivered to you

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

Saloon 35 TFSI S Line 4dr S

Fair price

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

Saloon 35 TFSI S Line 4dr

WC1E 7DP London, London

Fair price

Estimated price £22,325

WC1E 7DP London, London

Visit Exchange and Mart

Featured deals

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,700

Fair price

You save £500

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 35 TFSI Technik 5dr S Tronic

£19,400

Good price

You save £1,500

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI Sport 4dr

£19,386

Super price

You save £3,514

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 35 TFSI S line 5dr S Tronic

£19,300

Fair price

You save £200

PE45BH Peterborough, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£20,761

Fair price

Estimated price £20,458

MK429XE Bedford, Bedfordshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£18,880

Fair price

You save £220

MK429XE Bedford, Bedfordshire

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

heycar

Audi A3 30 TFSI Sport 5dr Hatchback

£20,900

Fair price

You save £600

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S line 4dr S Tronic

£20,900

Fair price

Estimated price £20,500

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£23,900

Fair price

You save £300

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,300

Fair price

Estimated price £23,307

NN55DH Northampton, Northamptonshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,700

Fair price

Estimated price £23,970

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£26,400

Fair price

Estimated price £25,565

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 Saloon 35 TFSI S Line 4dr

£22,348

Fair price

Estimated price £22,228

TS183UR Stockton-on-Tees, Durham

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

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£24,900

Fair price

Estimated price £24,288

CB223AY Cambridge, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr Hatchback

£21,500

Fair price

Estimated price £21,009

NN55DH Northampton, Northamptonshire

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

heycar

Audi A3 Saloon 35 TFSI S Line 4dr S Tronic

£24,995

Fair price

You save £5

PH15AS Perth

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 4dr

£24,200

Fair price

You save £100

PE45BH Peterborough, Cambridgeshire

133 g CO2/km comb. - 148 HP (108 kW) - 47.9 Mpg

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£22,200

Fair price

Estimated price £21,128

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr

£22,700

Fair price

Estimated price £22,252

CB223AY Cambridge, Cambridgeshire

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

heycar

Audi A3 Saloon 35 TFSI Sport 4dr S Tronic

£19,400

Good price

You save £1,400

PE296WP Huntingdon, Cambridgeshire

148 HP (108 kW)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive