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Audi A3 Cabriolet (petrol) • 81 cars with Valuation

Market overview: Petrol Audi A3 Cabriolet (August-2026): There are currently 81 used petrol Audi A3 Cabriolet cars for sale. Prices range from £3,995 to £18,446, with a median price of £12,290. AutoUncle has identified 17 cars as being offered below market price. The typical selling time for a petrol Audi A3 Cabriolet is approximately 21 days, and 39.5% of the listings have recently been reduced in price (Source: AutoUncle market data, August-2026).

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Carwow

Used Audi A3 Cabriolet S-Line 150 HP (110 kW) 2016 Black Cabriolet

(2016) Audi A3 Cabriolet S-Line 150 HP

Fair price

BD19 3TT West Yorkshire, West Yorkshire

118 g CO2/km comb. - 150 HP (110 kW) - 4.8 Mpg

Carwow

Used Audi A3 Cabriolet S-Line 150 HP (110 kW) 2018 Black Cabriolet

(2018) Audi A3 Cabriolet S-Line 150 HP

Fair price

NP194SS Newport

118 g CO2/km comb. - 150 HP (110 kW) - 5.2 Mpg

Carwow

Used Audi A3 Cabriolet Sport 150 HP (110 kW) 2019 Black Cabriolet

(2019) Audi A3 Cabriolet Sport 150 HP

Good price

You save £1,801

CW7 Cheshire West And Chester, Cheshire

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

Carwow

Used Audi A3 Cabriolet S-Line 150 HP (110 kW) 2019 Grey Cabriolet

(2019) Audi A3 Cabriolet S-Line 150 HP

Fair price

Estimated price £17,469

ME5 9QG Kent, Kent

155 g CO2/km comb. - 150 HP (110 kW) - 6.6 Mpg

Price checked by AutoUncle

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-4%

1 / 4

Used (2019) Audi A3 Cabriolet Sport 150 HP | Good price

35 TFSI Sport 2dr [Auto dimming

2019
45,570 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Manual
150 HP (110 kW)
CO2 emissions: 149 g CO2/km comb.
50.4 mpg
Details

Good price

£13,399

£13,999

CW7 Cheshire West And Chester, Cheshire

Availability verified

-10%

1 / 4

Used (2016) Audi A3 Cabriolet Design 150 HP | Super price

1.4 TFSI SE 2dr

2016
60,000 miles
Trim level: Design
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
CO2 emissions: 110 g CO2/km comb.
58 mpg
Details

Super price

£8,995

£9,995

BR3 6QJ Beckenham, London

Availability verified

1 / 4

Used (2015) Audi A3 Cabriolet Sport 150 HP | Good price

2016 Sport 1.4 TFSI 150 2dr

2015
66,000 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
CO2 emissions: 116 g CO2/km comb.
5 mpg
Details

Good price

£8,604

TN38 9QQ Hastings, East Sussex

Availability verified

New

1 / 4

Used (2015) Audi A3 Cabriolet Sport 150 HP | Good price

1.4 TFSI 150 Sport 2dr

2015
58,000 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
56 mpg
Details

Good price

£8,950

Parkers.co.uk

LA9 6NZ Westmorland And Furness, Cumbria

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Used Audi A3 Cabriolet S-Line 150 HP (110 kW) 2020 Blue Cabriolet

(2020) Audi A3 Cabriolet S-Line 150 HP

Fair price

LU3 3AN Luton, Bedfordshire

155 g CO2/km comb. - 150 HP (110 kW) - 42.2 Mpg

Carwow

Used Audi A3 Cabriolet S-Line 150 HP (110 kW) 2018 White Cabriolet

(2018) Audi A3 Cabriolet S-Line 150 HP

Fair price

RM13 8RH Greater London, London

118 g CO2/km comb. - 150 HP (110 kW) - 5.2 Mpg

Carwow

Used Audi A3 Cabriolet Design 150 HP (110 kW) 2016 Black Cabriolet

(2016) Audi A3 Cabriolet Design 150 HP

Super price

You save £2,305

BR3 6QJ Beckenham, London

110 g CO2/km comb. - 150 HP (110 kW) - 58.0 Mpg

Carwow

Used Audi A3 Cabriolet S-Line 150 HP (110 kW) 2019 Cabriolet

(2019) Audi A3 Cabriolet S-Line 150 HP

Fair price

Estimated price £15,185

155 g CO2/km comb. - 150 HP (110 kW) - 6.6 Mpg

New

1 / 3

Used (2015) Audi A3 Cabriolet 150 HP | Good price

1.4 TFSI 150 SE 2dr

2015
57,000 miles
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
CO2 emissions: 114 g CO2/km comb.
4.9 mpg
Details

Good price

£9,495

Motors.co.uk

CO9 2AA Essex, Essex

1 / 4

Used (2014) Audi A3 Cabriolet Sport 180 HP | Good price

1.8 TFSI Sport 2dr S Tronic

2014
107,046 miles
Trim level: Sport
1.8L Petrol
Cabriolet
Automatic
180 HP (132 kW)
CO2 emissions: 154 g CO2/km comb.
6.6 mpg
Details

Good price

£6,190

Motors.co.uk

SL3 6DG Buckinghamshire, Buckinghamshire

1 / 1

Used (2017) Audi A3 Cabriolet Sport 150 HP | Good price

1.5 TFSI Sport 2dr S Tronic

2017
107,000 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
55 mpg
Details

Good price

£9,450

Parkers.co.uk

BL9 6HD Greater Manchester, Manchester

-8%

1 / 4

Used (2016) Audi A3 Cabriolet 150 HP | Good price

1.4 TFSI CoD SE Convertible 2dr

2016
36,000 miles
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
4.8 mpg
Details

Good price

£10,995

£11,995

Parkers.co.uk

FY6 8JF Lancashire, Lancashire

-4%

1 / 1

Used (2015) Audi A3 Cabriolet Sport 150 HP | Good price

1.4 TFSI 150 Sport 2dr

2015
38,714 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
56 mpg
Details

Good price

£9,995

£10,450

Parkers.co.uk

FY7 6RP Lancashire, Lancashire

1 / 4

Used (2014) Audi A3 Cabriolet Sport 150 HP | Super price

1.4 TFSI Sport 2dr

2014
103,000 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
56 mpg
Details

Super price

£4,295

Motors.co.uk

CV6 6DY Longford, West Midlands

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Carwow

Used Audi A3 Cabriolet Sport 150 HP (110 kW) 2015 Grey Cabriolet

(2015) Audi A3 Cabriolet Sport 150 HP

Good price

You save £1,296

TN38 9QQ Hastings, East Sussex

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

Carwow

Used BMW 318 Sport Line 136 HP (100 kW) 2017 Red Sedan

(2017) BMW 318 Sport Line 136 HP

Good price

You save £1,406

OL8 4PQ Greater Manchester, Manchester

136 g CO2/km comb. - 136 HP (100 kW) - 6.0 Mpg

Carwow

Used BMW 318 136 HP (100 kW) 2018 Sedan

(2018) BMW 318 136 HP

Super price

You save £2,005

136 g CO2/km comb. - 136 HP (100 kW) - 6.0 Mpg

Carwow

Used BMW 318 Executive 136 HP (100 kW) 2016 Red Sedan

(2016) BMW 318 Executive 136 HP

Fair price

Estimated price £10,227

TN13 2TH Kent, Kent

136 g CO2/km comb. - 136 HP (100 kW) - 6.0 Mpg

-11%

1 / 4

Used (2014) Audi A3 Cabriolet Sport 180 HP | Good price

1.8 TFSI Sport 2dr S Tronic -

2014
56,000 miles
Trim level: Sport
1.8L Petrol
Cabriolet
Automatic
180 HP (132 kW)
CO2 emissions: 133 g CO2/km comb.
5.8 mpg
Details

Good price

£9,490

£10,690

Motors.co.uk

SK12 1JX Poynton, Cheshire

-3%

1 / 4

Used (2018) Audi A3 Cabriolet 150 HP | Good price

1.5 TFSI SE 2dr S Tronic

2018
42,000 miles
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
56 mpg
Details

Good price

£13,995

£14,495

Motors.co.uk

PE9 2EF Lincolnshire, Lincolnshire

1 / 4

Used (2014) Audi A3 Cabriolet Sport | Super price

1.4 TFSI Sport 2dr

2014
106,000 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Manual
Details

Super price

£4,995

Motors.co.uk

PE34 4AL Clenchwarton King'S Lynn, Norfolk

1 / 4

Used (2014) Audi A3 Cabriolet Advanced 220 HP | Good price

S3 TFSI Quattro 2dr S Tronic

2014
60,200 miles
Trim level: Advanced
2.0L Petrol
Cabriolet
Automatic
220 HP (161 kW)
9 mpg
Details

Good price

£11,995

Motors.co.uk

LE2 5LT Oadby, Leicestershire

1 / 4

Used (2017) Audi A3 Cabriolet Sport | Good price

1.4 TFSI Sport 2dr S Tronic

2017
60,546 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Automatic
56 mpg
Details

Good price

£12,290

Parkers.co.uk

EX5 4DY Rewe, Devon

1 / 4

Used (2018) Audi A3 Cabriolet S-Line 220 HP | Good price

2.0 TFSI Quattro S Line 2dr S

2018
49,053 miles
Trim level: S-Line
2.0L Petrol
Cabriolet
Automatic
220 HP (161 kW)
CO2 emissions: 136 g CO2/km comb.
45 mpg
Details

Good price

£16,699

Motors.co.uk

PR5 5AQ Lostock Hall, Lancashire

-6%

1 / 4

Used (2015) Audi A3 Cabriolet Sport 180 HP | Super price

1.8 TFSI Sport 2dr

2015
64,327 miles
Trim level: Sport
1.8L Petrol
Cabriolet
Manual
180 HP (132 kW)
CO2 emissions: 140 g CO2/km comb.
6 mpg
Details

Super price

£6,795

£7,295

Motors.co.uk

HA1 4UD Greater London, London

1 / 4

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

2019 | 1.5 TFSI CoD 35 S line S

2019
32,520 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 155 g CO2/km comb.
6.6 mpg
Details

Fair price

£18,280

£18,200

ME5 9QG Kent, Kent

Availability verified

-5%

1 / 4

Used (2018) Audi A3 Cabriolet S-Line 150 HP | Fair price

2018 S Line 1.5 TFSI 2dr Troni

2018
40,473 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 118 g CO2/km comb.
5.2 mpg
Details

Fair price

£15,867

£16,769

RM13 8RH Greater London, London

Availability verified

-7%

1 / 4

Used (2018) Audi A3 Cabriolet S-Line 150 HP | Fair price

1.5 TFSI S Line 2dr S Tronic

2018
54,016 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 118 g CO2/km comb.
5.2 mpg
Details

Fair price

£14,799

£15,999

NP194SS Newport

Availability verified

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Carwow

Used BMW 318 M Sport 156 HP (114 kW) 2021 Blue Sedan

(2021) BMW 318 M Sport 156 HP

Good price

You save £1,250

WD3 3RT Croxley Green, Hertfordshire

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

Carwow

Used BMW 318 M Sport 156 HP (114 kW) 2021 Blue Sedan

(2021) BMW 318 M Sport 156 HP

Good price

You save £1,250

WD3 3RT Croxley Green, Hertfordshire

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

Carwow

Used BMW 318 M Sport 156 HP (114 kW) 2021 White Sedan

(2021) BMW 318 M Sport 156 HP

Fair price

N11 1GN Greater London, London

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

Carwow

Used Mini Cooper Roadster 122 HP (89 kW) 2015 Cabriolet

(2015) Mini Cooper Roadster 122 HP

Fair price

Estimated price £8,301

RG30 1JG Berkshire, Berkshire

154 g CO2/km comb. - 122 HP (89 kW) - 6.6 Mpg

-4%

1 / 4

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

2020 S Line 35 TFSI 2dr Tronic

2019
72,709 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 155 g CO2/km comb.
6.6 mpg
Details

Fair price

£15,695

£16,395

LU33AN

Availability verified

-4%

1 / 4

Used (2020) Audi A3 Cabriolet S-Line 150 HP | Fair price

35 TFSI S Line 2dr S Tronic

2020
72,709 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 155 g CO2/km comb.
42.2 mpg
Details

Fair price

£15,695

£16,395

LU3 3AN Luton, Bedfordshire

Availability verified

1 / 4

Used (2016) Audi A3 Cabriolet S-Line 150 HP | Fair price

1.4 TFSI 150 S Line 2dr [Nav]

2016
66,401 miles
Trim level: S-Line
1.4L Petrol
Cabriolet
Manual
150 HP (110 kW)
CO2 emissions: 118 g CO2/km comb.
4.8 mpg
Details

Fair price

£10,395

£10,495

BD19 3TT West Yorkshire, West Yorkshire

Availability verified

New

1 / 4

Used (2013) Audi A3 Cabriolet Sport 105 HP | Fair price

1.2 T FSI Sport 2dr [Start

2013
68,000 miles
Trim level: Sport
1.2L Petrol
Cabriolet
Manual
105 HP (77 kW)
CO2 emissions: 132 g CO2/km comb.
5.7 mpg
Details

Fair price

£5,980

Parkers.co.uk

MK45 5HB Pulloxhill, Bedfordshire

New

1 / 4

Used (2016) Audi A3 Cabriolet S-Line 150 HP | Fair price

1.4 TFSI CoD S line Convertible

2016
73,420 miles
Trim level: S-Line
1.4L Petrol
Cabriolet
Automatic
150 HP (110 kW)
55 mpg
Details

Fair price

£11,000

Motors.co.uk

LN2 4PX Lincolnshire, Lincolnshire

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Used BMW 318 M Sport 156 HP (114 kW) 2021 Grey Sedan

(2021) BMW 318 M Sport 156 HP

Fair price

DE73 7HL Stenson, Derbyshire

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

Carwow

Used BMW 318 M Sport 156 HP (114 kW) 2021 Blue Sedan

(2021) BMW 318 M Sport 156 HP

Fair price

Estimated price £20,011

TN38 9QQ Hastings, East Sussex

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

Carwow

Used BMW 318 M Sport 156 HP (114 kW) 2022 Sedan

(2022) BMW 318 M Sport 156 HP

Fair price

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

Carwow

Used BMW 318 M Sport 156 HP (114 kW) 2021 Grey Sedan

(2021) BMW 318 M Sport 156 HP

Fair price

Estimated price £20,246

NE29 7TE Tyne And Wear, Tyne And Wear

146 g CO2/km comb. - 156 HP (114 kW) - 6.4 Mpg

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