Welwyn Garden City: Audi A3 used – 165 cars for sale near you

Audi A3 35 TFSI Sport 5dr S Tronic

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

heycar

£24,850

Fair price

You save £750

Audi A3 -Saloon 30 TFSI S Line 4dr

148 HP (108 kW)

Carwow

£21,500

Fair price

You save £400

EN88DY, Hertfordshire

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

heycar

Audi A3 30 TFSI S Line 5dr - 2023 (23)

£19,295

Fair price

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

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Used (2022) Audi A3 150 HP | Good price

35 TFSI Technik 5dr S Tronic

Good price

You save £1,305

Used (2022) Audi A3 Sport 110 HP | Good price

Sportback (2022/22)Sport 30 TFSI

Good price

You save £2,000

Used (2021) Audi A3 Sport 110 HP | Good price

Sportback (2021/21)30 TFSI Sport S

Good price

You save £1,400

SG1 4QT Stevenage, Hertfordshire

Used (2021) Audi A3 S-Line 150 HP | Good price

Saloon (2021/21)35 TFSI S line 4dr

Good price

You save £1,400

SG1 4QT Stevenage, Hertfordshire

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Welwyn Garden City, Hertfordshire

Used (2005) Audi A3 Sport | Super price

Sportback (2005/05)2.0 FSI Sport

Super price

You save £2,410

Welwyn Garden City, Hertfordshire

Used (2017) Audi A3 Black Edition 150 HP | Good price

-Saloon 1.5 TFSI Black Edition 4dr

Good price

You save £1,110

Used (2019) Audi A3 Sport 150 HP | Super price

Sportback (2019/19)Sport 35 TFSI

Super price

You save £3,115

Used (2005) Audi A3 Sport | Super price

2.0 FSI Sport 5dr Tip Auto

Super price

You save £2,410

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

Visit Motors.co.uk

Used (2021) Audi A3 S-Line 150 HP | Fair price

35 TFSI S Line 5dr S Tronic

Fair price

Estimated price £20,121

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 110 HP | Fair price

30 TFSI S Line 5dr - 2023 (23)

Fair price

Audi A3 35 TFSI S Line 5dr S Tronic

Featured deals

heycar

£20,995

Fair price

Estimated price £20,121

Audi A3 30 TFSI Sport 5dr S Tronic

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

heycar

£19,995

Fair price

Estimated price £19,616

Audi A3 30 TFSI Technik 5dr S Tronic

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

heycar

£19,350

Fair price

You save £550

Audi A3 35 TFSI Technik 5dr S Tronic

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

heycar

£19,495

Good price

You save £1,305

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

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

Used (2019) Audi A3 S-Line 150 HP | Fair price

2.0 TDI 35 S line Saloon 4dr

EN118SX, Hertfordshire

Fair price

You save £1,105

EN118SX, Hertfordshire

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Used (2011) Audi A3 Sport | Fair price

1.4 TFSI Sport 3dr [Start

Fair price

You save £505

Used (2018) Audi A3 Design 400 HP | Fair price

Sportback (2018/18)RS 3 2.5 TFSI

Fair price

You save £211

Used (2008) Audi A3 | Fair price

Sportback (2008/08)1.6 Special

Waterford, Hertfordshire

Fair price

You save £5

Waterford, Hertfordshire

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

1.0 TFSI 30 S line Saloon 4dr

Fair price

You save £410

EN11 8SX Hoddesdon, Hertfordshire

Used (2014) Audi A3 Sport 110 HP | Fair price

1.2 TFSI Sport Hatchback 3dr

Fair price

EN11 8SX Hoddesdon, Hertfordshire

Used (2016) Audi A3 S-Line 148 HP | Fair price

2.0 TDI S LINE 4d AUTO 148 BHP

Fair price

Estimated price £14,712

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

40 TFSI e S Line 5dr S Tronic

Fair price

Estimated price £32,155

Used (2025) Audi A3 Sport | Fair price

40 TFSI e Sport 5dr S Tronic

Fair price

You save £150

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

Used (2024) Audi A3 Black Edition 150 HP | A bit pricey

35 TFSI Black Edition 4dr S Tronic

A bit pricey

Estimated price £26,917

Audi A3 Saloon 35 TFSI Sport 4dr S Tronic

Featured deals

heycar

£19,550

Fair price

You save £1,050

Audi A3 -Saloon 35 TFSI S Line 4dr

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

Carwow

£19,800

Super price

You save £3,100

EN88DY, Hertfordshire

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

Carwow

Audi A3 -Saloon 35 TFSI S Line 4dr

£16,750

Good price

You save £2,150

WD33RT Watford, Hertfordshire

145 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

Carwow

Audi A3 2.0 TDI 35 S line Saloon 4dr Diesel S Tronic Euro 6 (s/s) (150 ps)

£15,695

Fair price

You save £1,105

EN118SX, Hertfordshire

144 g CO2/km comb. - 150 HP (110 kW) - 50.4 Mpg

New (2025) Audi A3 Sport | A bit pricey

40 TFSI e Sport 5dr S Tronic

A bit pricey

Estimated price £29,372

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

Used (2023) Audi A3 Comfort 150 HP | Expensive

35 TFSI Edition 1 5dr

Expensive

Estimated price £23,116

Used (2025) Audi A3 S-Line | Expensive

40 TFSI e S Line 5dr S Tronic

Expensive

Estimated price £25,849

Used (2008) Audi A3 Design 160 HP | Not evaluated

1.8 TFSI Hatchback 3dr Petrol S

Not evaluated

Visit Motors.co.uk

Used (2025) Audi A3 S-Line | Not evaluated

40 TFSI e S Line 5dr S Tronic

Not evaluated

Audi A3 1.5 TFSI CoD Black Edition S Tronic Euro 6 (s/s) 4dr

Featured deals

Carwow

Photos coming soon

£14,100

Good price

You save £1,500

WD33RT Watford, Hertfordshire

113 g CO2/km comb. - 150 HP (110 kW) - 5.0 Mpg

heycar

Mercedes A200 A-Class SaloonAMG Line Executive 4dr Auto

£26,595

Fair price

Estimated price £26,514

HP39SX Hemel Hempstead, Hertfordshire

161 HP (118 kW)

heycar

Mercedes A200 A-Class SaloonAMG Line Executive 4dr Auto

£26,395

Fair price