North Watford: Audi A3 used – 239 cars for sale near you

Audi A3 35 TFSI S Line 5dr

148 HP (108 kW)

heycar

£22,150

Fair price

Estimated price £21,485

Audi A3 35 TFSI S Line 5dr S Tronic

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

heycar

£20,995

Fair price

Estimated price £20,121

AL95JN Hatfield, Hertfordshire

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

Carwow

Audi A3 -Saloon 30 TFSI S Line 4dr

£21,500

Fair price

You save £400

EN88DY, Hertfordshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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 150 HP | Super price

-Saloon 35 TFSI S Line 4dr

Super price

You save £2,450

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

Visit Carwow

Used (2018) Audi A3 Black Edition 150 HP | Good price

1.5 TFSI CoD Black Edition S

Good price

You save £1,500

Visit Carwow

WD3 3RT Watford, Hertfordshire

Used (2019) Audi A3 S-Line | Good price

35 TFSI S Line 4dr

Good price

You save £2,050

WD3 3RT Watford, Hertfordshire

Visit Motors.co.uk

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

Cabriolet (2019/19)S Line 35 TFSI

Good price

You save £1,120

Visit Parkers.co.uk

HP2 4RA Hemel Hempstead, Hertfordshire

Used (2009) Audi A3 | Good price

1.8 TFSI 5dr

Good price

You save £805

HP2 4RA Hemel Hempstead, Hertfordshire

Visit Motors.co.uk

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 150 HP | Fair price

35 TFSI S Line 5dr

Fair price

Estimated price £21,485

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

Used (2022) Audi A3 110 HP | Fair price

30 TFSI Technik 5dr S Tronic

Fair price

You save £550

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

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

30 TFSI Sport 5dr S Tronic

Fair price

Estimated price £19,616

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

Used (2021) Audi A3 Sport 150 HP | Fair price

Saloon 35 TFSI Sport 4dr S

Fair price

You save £1,050

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

Used (2024) Audi A3 Sport 148 HP | Fair price

35 TFSI Sport 5dr S Tronic

Fair price

You save £750

Audi A3 30 TFSI Technik 5dr S Tronic

Featured deals

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 £1,405

AL95JN Hatfield, Hertfordshire

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

heycar

Audi A3 Saloon 35 TFSI Sport 4dr S Tronic

£19,550

Fair price

You save £1,050

Audi A3 30 TFSI Sport 5dr S Tronic

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

heycar

£19,995

Fair price

Estimated price £19,616

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

Used (2011) Audi A3 Sport | Fair price

1.4 TFSI Sport 3dr [Start

Fair price

You save £505

Visit Parkers.co.uk

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

40 TFSI e S Line 5dr S Tronic

Fair price

Estimated price £32,155

HP3 9NG Hemel Hempstead, Hertfordshire

Used (2016) Audi A3 Sport 150 HP | Fair price

1.4 TFSI Sport 3dr

Fair price

You save £650

HP3 9NG Hemel Hempstead, Hertfordshire

Visit Desperateseller.co.uk

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

Visit Desperateseller.co.uk

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 5dr S Tronic

A bit pricey

Estimated price £26,067

Used (2022) Audi A3 S-Line | A bit pricey

40 TFSI e S Line 5dr S Tronic

A bit pricey

Estimated price £21,659

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 (2024) Audi A3 S-Line 150 HP | Expensive

35 TFSI S Line 4dr S Tronic [Tech

Expensive

Estimated price £26,565

Used (2025) Audi A3 S-Line | Expensive

40 TFSI e S Line 5dr S Tronic

Expensive

Estimated price £25,849

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

Featured deals

heycar

£19,295

Fair price

You save £105

AL95JN Hatfield, Hertfordshire

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

Carwow

Audi A3 -Saloon 35 TFSI S Line 4dr

£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 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

Carwow

Audi A3 -Saloon 35 TFSI S Line 4dr

£16,450

Super price

You save £2,450

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

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

40 TFSI e S Line 5dr S Tronic

Not evaluated

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 Sport | Not evaluated

40 TFSI e Sport 5dr S Tronic

Not evaluated

BD14AJ Bradford, West Yorkshire

Used (2017) Audi A3 Sport 150 HP | Super price

1.4 TFSI Sport 5dr Petrol

Super price

Used (2015) Audi A3 125 HP | Good price

1.4 TFSI 125 SE 5dr Petrol

Good price

You save £1,325

BD14AJ Bradford, West Yorkshire

Visit Honestjohn

Featured deals

Carwow

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

£14,100

Good price

You save £1,500