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Welwyn Garden City: Audi A3 used – 104 cars for sale near you

Featured deals

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Audi A3 35 TFSI Sport 5dr S Tronic

£23,795

Fair price

You save £305

AL95JN Hatfield, Hertfordshire

148 HP (108 kW)

heycar

Audi A3 35 TFSI S Line 5dr S Tronic

£23,850

Fair price

Estimated price £23,095

AL95JN Hatfield, Hertfordshire

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

heycar

Audi A3 35 TFSI S Line 5dr - 2022 (22)

£23,150

Fair price

Estimated price £22,110

AL95JN Hatfield, Hertfordshire

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

Carwow

Audi A3 2023 | 1.0 TFSI 30 S line Euro 6 (s/s) 4dr

£20,000

Fair price

You save £1,000

EN88DY, Hertfordshire

128 g CO2/km comb. - 110 HP (80 kW) - 5.7 Mpg

Dealer

New (2025) Audi A3 Black Edition 147 HP | Fair price

35 TFSI Black Edition 5dr

Fair price

Used (2018) Audi A3 Black Edition 147 HP | Fair price

1.5 TFSI Black Edition 5dr

WC1E 7DP London, London

Fair price

Estimated price £16,241

WC1E 7DP London, London

Visit Honestjohn

Dealer

New (2025) Audi A3 S-Line 147 HP | Fair price

35 TDI S Line 5dr S Tronic

Fair price

Estimated price £34,928

Delivered to you

Visit Buyacar

Dealer

New (2025) Audi A3 Black Edition 147 HP | Fair price

2.0 TDI 150 Black Edition 5dr S

Fair price

Estimated price £37,271

Delivered to you

Visit Buyacar

Dealer

New (2025) Audi A3 S-Line 147 HP | Fair price

Saloon 2.0 TDI 150 S Line 4dr S

Fair price

Used (2025) Audi A3 Sport 147 HP | Fair price

35 TFSI Sport 5dr S Tronic

WC1E 7DP London, London

Fair price

Estimated price £27,730

WC1E 7DP London, London

Visit Carsite.co.uk

Dealer

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

35 TFSI S Line 5dr S Tronic [Tech

Fair price

New (2025) Audi A3 S-Line 147 HP | Fair price

35 TFSI S Line 5dr S Tronic [Tech

Fair price

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

35 TFSI S Line 5dr S Tronic

Fair price

New (2024) Audi A3 Sport 113 HP | Fair price

30 TFSI Sport 5dr

Fair price

Estimated price £28,248

Delivered to you

Visit Buyacar

Featured deals

heycar

Audi A3 30 TFSI Technik 5dr - 2022 (22)

£16,695

Fair price

You save £505

WD258HL Watford, Hertfordshire

125 g CO2/km comb. - 110 HP (80 kW)

heycar

Audi A3 30 TFSI Technik 5dr - 2023 (23)

£18,695

Fair price

You save £1,005

WD258HL Watford, Hertfordshire

125 g CO2/km comb. - 110 HP (80 kW)

Carwow

Photos coming soon

Audi A3 -Saloon 35 TDI S Line 4dr Tronic

£14,250

Super price

You save £2,950

WD33RT Watford, Hertfordshire

144 g CO2/km comb. - 150 HP (110 kW) - 5.5 Mpg

heycar

Mercedes A200 A-Class SaloonAMG Line Executive 4dr Auto

£26,450

Fair price

Estimated price £26,385

SG137LB Hertford, Hertfordshire

161 HP (118 kW)

Dealer

New (2025) Audi A3 S-Line 113 HP | Fair price

1.5 TFSI 116 S Line 5dr

Fair price

New (2026) Audi A3 Black Edition 147 HP | Fair price

1.5 TFSI 150 Black Edition 5dr

Fair price

New (2025) Audi A3 S-Line 113 HP | Fair price

30 TFSI S Line 5dr

Fair price

Estimated price £31,031

Delivered to you

Visit Buyacar

Dealer

New (2025) Audi A3 S-Line 147 HP | Fair price

2.0 TDI 150 S Line 5dr S Troni

Fair price

Estimated price £34,928

Delivered to you

Visit Buyacar

Dealer

Used (2024) Audi A3 S-Line 108 HP | Fair price

30 TFSI S Line 5dr S Tronic

Fair price

Estimated price £23,555

Delivered to you

Visit Buyacar

Dealer

New (2024) Audi A3 Black Edition 147 HP | Fair price

35 TFSI Black Edition 5dr [Tech

Fair price

Estimated price £34,943

Delivered to you

Visit Buyacar

Dealer

Used (2025) Audi A3 Sport 147 HP | Fair price

35 TFSI Sport 5dr S Tronic

Fair price

Used (2025) Audi A3 Black Edition 147 HP | A bit pricey

Saloon 35 TFSI Black Edition 4dr S

A bit pricey

Estimated price £28,303

Delivered to you

Visit Buyacar

Dealer

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

Saloon 35 TFSI S Line 4dr S

A bit pricey

Estimated price £28,372

Delivered to you

Visit Buyacar

Dealer

New (2025) Audi A3 S-Line 113 HP | A bit pricey

30 TFSI S Line 5dr [Tech Pack]

A bit pricey

Estimated price £31,031

Delivered to you

Visit Buyacar

Featured deals

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Mercedes A200 A-Class SaloonAMG Line Executive 4dr Auto

£25,981

Fair price

You save £419

CM232BT Bishop's Stortford, Hertfordshire

161 HP (118 kW)

heycar

Audi A1 30 TFSI 110 S Line 5dr S Tronic

£22,450

Fair price

Estimated price £21,774

SG61JZ Letchworth, Hertfordshire

109 HP (80 kW)

heycar

Mini Cooper Hatchback 5dr 1.5Exclusive 5dr Auto [Comfort/Nav Pack]

£23,595

Fair price

Estimated price £23,169

CM232BT Bishop's Stortford, Hertfordshire

132 g CO2/km comb. - 136 HP (100 kW) - 48.7 Mpg

heycar

Mini Cooper Hatchback 5dr 1.5Exclusive 5dr Auto [Comfort/Nav Pack]

£24,150

Fair price

Estimated price £23,661

WD62BT Borehamwood, Hertfordshire

132 g CO2/km comb. - 136 HP (100 kW) - 47.9 Mpg

Dealer

New (2025) Audi A3 S-Line 113 HP | A bit pricey

1.5 TFSI 116 S Line 5dr [Tech

A bit pricey

Estimated price £31,031

Delivered to you

Visit Buyacar

Dealer

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

35 TFSI S Line 5dr S Tronic

A bit pricey

Estimated price £27,522

Delivered to you

Visit Buyacar

Dealer

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

35 TFSI S Line 5dr S Tronic

WC1E 7DP London, London

A bit pricey

Estimated price £27,523

WC1E 7DP London, London

Visit Honestjohn

Dealer

New (2025) Audi A3 Black Edition 147 HP | A bit pricey

35 TDI Black Edition 5dr S

A bit pricey

Estimated price £32,953

Delivered to you

Visit Buyacar

Dealer

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

35 TFSI S Line 5dr S Tronic

A bit pricey

Estimated price £27,591

Delivered to you

Visit Buyacar

Featured deals

heycar

Mini Cooper Hatchback 1.5Sport Premium 3dr Auto

£22,850

Fair price

You save £350

WD62BT Borehamwood, Hertfordshire

130 g CO2/km comb. - 136 HP (100 kW) - 49.6 Mpg

heycar

Mercedes A200 A-ClassSport Executive 5dr Auto

£25,251

Fair price

You save £349

CM232BT Bishop's Stortford, Hertfordshire

161 HP (118 kW)

heycar

Mercedes A200 A-Class SaloonSport Executive Edition 4dr Auto

£21,750

Fair price

You save £250

SG137LB Hertford, Hertfordshire

136 g CO2/km comb. - 163 HP (119 kW)

Carwow

Peugeot 3008 -2.0 HDi Allure 5dr

£3,099

Good price

You save £701

PE134AX, Cambridgeshire

139 g CO2/km comb. - 150 HP (110 kW) - 5.3 Mpg

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New (2025) Audi A3 Black Edition 147 HP | Fair price

Fair price

Used (2018) Audi A3 Black Edition 147 HP | Fair price

Fair price

New (2025) Audi A3 S-Line 147 HP | Fair price

Fair price

New (2025) Audi A3 Black Edition 147 HP | Fair price

Fair price

New (2025) Audi A3 S-Line 147 HP | Fair price

Fair price

Used (2025) Audi A3 Sport 147 HP | Fair price

Fair price

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

Fair price

New (2025) Audi A3 S-Line 147 HP | Fair price

Fair price

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

Fair price

New (2024) Audi A3 Sport 113 HP | Fair price

Fair price

New (2025) Audi A3 S-Line 113 HP | Fair price

Fair price

New (2026) Audi A3 Black Edition 147 HP | Fair price

Fair price

New (2025) Audi A3 S-Line 113 HP | Fair price

Fair price

New (2025) Audi A3 S-Line 147 HP | Fair price

Fair price

Used (2024) Audi A3 S-Line 108 HP | Fair price

Fair price

New (2024) Audi A3 Black Edition 147 HP | Fair price

Fair price

Used (2025) Audi A3 Sport 147 HP | Fair price

Fair price

Used (2025) Audi A3 Black Edition 147 HP | A bit pricey

A bit pricey

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

A bit pricey

New (2025) Audi A3 S-Line 113 HP | A bit pricey

A bit pricey

New (2025) Audi A3 S-Line 113 HP | A bit pricey

A bit pricey

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

A bit pricey

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

A bit pricey

New (2025) Audi A3 Black Edition 147 HP | A bit pricey

A bit pricey

Used (2025) Audi A3 S-Line 147 HP | A bit pricey

A bit pricey

Other areas for Audi A3 in Hertfordshire