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Audi A3 (petrol) • 3,715 cars with Valuation

Market overview: Petrol Audi A3 (August-2026): There are currently 3,715 used petrol Audi A3 cars for sale. Prices range from £3,923 to £34,258, with a median price of £19,182. AutoUncle has identified 616 cars as being offered below market price. The typical selling time for a petrol Audi A3 is approximately 19 days, and 47.2% of the listings have recently been reduced in price (Source: AutoUncle market data, August-2026).

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Sandicliffe.co.uk

Used Audi A3 S-Line 150 HP (110 kW) 2024 White Hatchback

(2024) Audi A3 S-Line 150 HP

Super price

You save £3,042

LN2 4LD Lincolnshire, Lincolnshire

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

Sandicliffe.co.uk

Used Audi A3 S-Line 110 HP (80 kW) 2024 Black Hatchback

(2024) Audi A3 S-Line 110 HP

Fair price

LE11 5HN Leicestershire, Leicestershire

120 g CO2/km comb. - 110 HP (80 kW) - 5.3 Mpg

Sandicliffe.co.uk

Used Audi A3 S-Line 150 HP (110 kW) 2024 White Hatchback

(2024) Audi A3 S-Line 150 HP

Good price

You save £1,865

LE12 Loughborough, Leicestershire

150 HP (110 kW) - 5.4 Mpg

Sandicliffe.co.uk

Used Audi A3 S-Line 150 HP (110 kW) 2023 Red Hatchback

(2023) Audi A3 S-Line 150 HP

Fair price

LE11 5HN Leicestershire, Leicestershire

115 g CO2/km comb. - 150 HP (110 kW) - 5.6 Mpg

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

A3 35 TFSI S Line 5dr Hatchback

Sep 2024
71,716 miles
Trim level: S-Line
1.5L Petrol
Hatchback
Manual
150 HP (110 kW)
CO2 emissions: 115 g CO2/km comb.
Details

Super price

£15,258

£14,990

LN2 4LD Lincolnshire, Lincolnshire

Availability verified

-9%

1 / 4

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

A3 35 TFSI S Line 5dr S Tronic

Nov 2024
41,953 miles
Trim level: S-Line
1.5L Petrol
Hatchback
Automatic
150 HP (110 kW)
5.4 mpg
Details

Good price

£18,335

£20,299

LE12 Loughborough, Leicestershire

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1 / 4

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

Saloon 2024 S Line 35 TFSI 4dr

2024
27,670 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 131 g CO2/km comb.
5.8 mpg
Details

Good price

£19,520

ME59QG

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1 / 2

Used (2024) Audi A3 Sport 110 HP | Good price

Saloon 2024 Sport 30 TFSI 4dr

2024
50,140 miles
Trim level: Sport
1.0L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 125 g CO2/km comb.
5.5 mpg
Details

Good price

£15,109

SO31 7FL Lower Swanwick, Hampshire

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Carwow

Used Audi A3 S-Line 150 HP (110 kW) 2024 Sedan

(2024) Audi A3 S-Line 150 HP

Fair price

You save £1,110

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

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2024 Sedan

(2024) Audi A3 S-Line 110 HP

Super price

You save £3,210

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

Carwow

Used Audi A3 S-Line 150 HP (110 kW) 2022 Grey Sedan

(2022) Audi A3 S-Line 150 HP

Fair price

Estimated price £18,344

WA2 8JH Warrington, Cheshire

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

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2022 Black Sedan

(2022) Audi A3 S-Line 110 HP

Fair price

Estimated price £14,133

S80 2QD Nottinghamshire, Nottinghamshire

120 g CO2/km comb. - 110 HP (80 kW) - 5.3 Mpg

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Used (2023) Audi A3 Sport 150 HP | Good price

Saloon 2024 Sport 35 TFSI 4dr

2023
24,800 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 128 g CO2/km comb.
5.6 mpg
Details

Good price

£17,100

£17,300

KT3 4HL Greater London, London

Availability verified

-8%

1 / 4

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

- Saloon 30 TFSI S Line 4dr

2024
28,699 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 128 g CO2/km comb.
5.7 mpg
Details

Super price

£16,490

£18,100

EN88DY

Availability verified

-4%

1 / 3

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

Saloon 2024 S Line 30 TFSI 4dr

2024
55,214 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 128 g CO2/km comb.
5.7 mpg
Details

Good price

£15,744

£16,508

SO31 7FL Lower Swanwick, Hampshire

Availability verified

-1%

1 / 3

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

Saloon 2024 S Line 30 TFSI 4dr

2024
21,342 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 128 g CO2/km comb.
5.7 mpg
Details

Super price

£17,367

£17,593

NN12 West Northamptonshire, Northamptonshire

Availability verified

1 / 4

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

Saloon 2024 S Line 30 TFSI 4dr

2024
27,053 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 128 g CO2/km comb.
5.7 mpg
Details

Super price

£17,091

£16,895

DN25DX

Availability verified

-1%

1 / 3

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

Saloon 2024 S Line 35 TFSI 4dr

2024
6,550 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 131 g CO2/km comb.
5.8 mpg
Details

Good price

£21,193

£21,421

LE12 7AT Mountsorrel, Leicestershire

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Used Audi A3 S-Line 150 HP (110 kW) 2024 Sedan

(2024) Audi A3 S-Line 150 HP

Fair price

Estimated price £19,494

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

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2024 Sedan

(2024) Audi A3 S-Line 110 HP

Fair price

LE10 3DJ Leicestershire, Leicestershire

120 g CO2/km comb. - 110 HP (80 kW) - 5.3 Mpg

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2024 Sedan

(2024) Audi A3 S-Line 110 HP

Super price

You save £3,292

SO31 7FL Lower Swanwick, Hampshire

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

Carwow

Used Audi A3 Sport 150 HP (110 kW) 2023 Black Sedan

(2023) Audi A3 Sport 150 HP

Super price

You save £2,705

LE10 3DJ Leicestershire, Leicestershire

128 g CO2/km comb. - 150 HP (110 kW) - 5.6 Mpg

-9%

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Used (2024) Audi A3 Sport 110 HP | Good price

- Saloon 30 TFSI Sport 4dr

2024
14,401 miles
Trim level: Sport
1.0L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 125 g CO2/km comb.
5.5 mpg
Details

Good price

£16,999

£18,722

E65LU

Availability verified

-10%

1 / 4

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

- Saloon 35 TFSI S Line 4dr

2024
80,097 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 131 g CO2/km comb.
5.8 mpg
Details

Super price

£14,990

£16,813

E6 5LU Greater London, London

Availability verified

-5%

1 / 4

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

- Saloon 35 TFSI S Line 4dr

2024
40,765 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 131 g CO2/km comb.
5.8 mpg
Details

Super price

£17,899

£18,899

M417TB Urmston, Manchester

Availability verified

-9%

1 / 4

Used (2020) Audi A3 Sport 150 HP | Good price

1.5 TFSI 35 Sport Euro 6 (s/s)

2020
88,352 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 144 g CO2/km comb.
6.3 mpg
Details

Good price

£11,150

£12,350

N11 1GN Greater London, London

Availability verified

-1%

1 / 4

Used (2023) Audi A3 Sport 150 HP | Good price

2023 | 1.5 TFSI 35 Sport S Tronic

2023
23,818 miles
Trim level: Sport
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 127 g CO2/km comb.
5.5 mpg
Details

Good price

£19,570

£19,900

S60 5BD Sheffield, South Yorkshire

Availability verified

-8%

1 / 4

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

35 TFSI Sport 4dr

2021
31,338 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 128 g CO2/km comb.
5.6 mpg
Details

Good price

£15,000

£16,400

WD3 3RT Croxley Green, Hertfordshire

Availability verified

New

Used (2024) Audi A3 Sport 110 HP | Good price

Saloon 2024 Sport 30 TFSI 4dr S

2024
32,221 miles
Trim level: Sport
1.0L Petrol
Sedan
Automatic
110 HP (80 kW)
CO2 emissions: 115 g CO2/km comb.
5.1 mpg
Details

Good price

£17,990

B78 3JF Staffordshire, Staffordshire

Availability verified

New

1 / 4

Used (2023) Audi A3 Sport 110 HP | Good price

Saloon 2024 Sport 30 TFSI 4dr

2023
50,140 miles
Trim level: Sport
1.0L Petrol
Sedan
Manual
110 HP (80 kW)
CO2 emissions: 120 g CO2/km comb.
5.5 mpg
Details

Good price

£15,109

PO2 9QZ Hilsea, Hampshire

Availability verified

-8%

1 / 3

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

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

2021
80,097 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 131 g CO2/km comb.
47.9 mpg
Details

Good price

£14,990

£16,428

E6 5LT Greater London, London

Availability verified

1 / 1

New (2026) Audi A3 Black Edition 150 HP | Good price

- Saloon 1.5 TFSI 150 Black

2026
10 miles
Trim level: Black Edition
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 133 g CO2/km comb.
5.8 mpg
Details

Good price

£32,856

£31,143

SO533DH Chandlers Ford, Hampshire

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Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2023 Blue Sedan

(2023) Audi A3 S-Line 110 HP

Fair price

LS27 0TS Morley, West Yorkshire

120 g CO2/km comb. - 110 HP (80 kW) - 5.3 Mpg

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2024 Sedan

(2024) Audi A3 S-Line 110 HP

Super price

You save £2,709

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

Carwow

Used Audi A3 S-Line 150 HP (110 kW) 2024 Sedan

(2024) Audi A3 S-Line 150 HP

Fair price

M16 9UA Greater Manchester, Manchester

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

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2022 Black Sedan

(2022) Audi A3 S-Line 110 HP

Fair price

WA2 8JH Warrington, Cheshire

128 g CO2/km comb. - 110 HP (80 kW) - 5.3 Mpg

New

1 / 1

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

Saloon 2024 S Line 35 TFSI 4dr

2024
39,400 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 131 g CO2/km comb.
5.8 mpg
Details

Super price

£17,999

MK443LH

Availability verified

-2%

1 / 4

Used (2023) Audi A3 Sport 150 HP | Super price

2023 | 1.5 TFSI 35 Sport Euro 6

2023
22,810 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 128 g CO2/km comb.
5.6 mpg
Details

Super price

£17,680

£18,200

WS11 8LX Great Wyrley, Staffordshire

Availability verified

-7%

1 / 4

Used (2023) Audi A3 Sport 150 HP | Super price

2023 | 1.5 TFSI 35 Sport Euro 6

2023
28,183 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 128 g CO2/km comb.
5.6 mpg
Details

Super price

£16,850

£18,300

S60 5BD Sheffield, South Yorkshire

Availability verified

-2%

1 / 4

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

2019 | 1.5 TFSI CoD 35 Sport Euro

2019
51,082 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 144 g CO2/km comb.
6.3 mpg
Details

Super price

£12,160

£12,450

PE1 5XL Peterborough, Cambridgeshire

Availability verified

-8%

1 / 4

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

35 TFSI S Line 4dr

2023
15,600 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 133 g CO2/km comb.
5.3 mpg
Details

Good price

£19,992

£21,763

S41 9AJ Old Whittington, Derbyshire

Availability verified

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Carwow

Used Audi A3 S-Line 150 HP (110 kW) 2024 Sedan

(2024) Audi A3 S-Line 150 HP

Good price

You save £1,551

B6 5SU West Midlands, West Midlands

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

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2024 Sedan

(2024) Audi A3 S-Line 110 HP

Good price

You save £2,005

S80 2QD Nottinghamshire, Nottinghamshire

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

Carwow

Used Audi A3 S-Line 150 HP (110 kW) 2022 White Sedan

(2022) Audi A3 S-Line 150 HP

Fair price

You save £1,051

B65SU Birmingham, West Midlands

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

Carwow

Used Audi A3 S-Line 150 HP (110 kW) 2024 Sedan

(2024) Audi A3 S-Line 150 HP

Good price

You save £1,703

PR2 2DF Lancashire, Lancashire

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

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