Used convertible under £20,000 • 6,297 price-rated cars

Market overview: Convertible under £20,000 (June-2026): AutoUncle has analysed 6,297 used convertible cars for sale in this budget range. The most popular models are Ford Transit, Mazda MX5, Mini Cooper Cabriolet, and the median price is £8,795. convertible cars in this price segment typically come with petrol and manual. AutoUncle has rated 1,039 cars as listed below market value. The typical selling time is approx. 25 days, and 28.9% of listings have recently been reduced. (Source: AutoUncle market data, June-2026)

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Carwow

Used Mercedes C220 Active 170 HP (125 kW) 2018 Blue Cabriolet

(2018) Mercedes C220 Active 170 HP

Good price

You save £1,701

CW7 Cheshire West And Chester, Cheshire

126 g CO2/km comb. - 170 HP (125 kW) - 57.7 Mpg

Carwow

Used Mercedes E220 AMG Line Premium 194 HP (142 kW) 2020 Cabriolet

(2020) Mercedes E220 AMG Line Premium 194 HP

Super price

You save £3,001

CW7 Cheshire West And Chester, Cheshire

170 g CO2/km comb. - 194 HP (142 kW) - 6.4 Mpg

Carwow

Used Abarth 124 Spider 170 HP (125 kW) 2016 White Cabriolet

(2016) Abarth 124 Spider 170 HP

Fair price

Estimated price £19,235

EN4 9PA London, London

148 g CO2/km comb. - 170 HP (125 kW) - 6.4 Mpg

Carwow

Used BMW 420 Comfort Edition 184 HP (135 kW) 2019 Blue Cabriolet

(2019) BMW 420 Comfort Edition 184 HP

Fair price

Estimated price £16,829

CW7 Cheshire West And Chester, Cheshire

182 g CO2/km comb. - 184 HP (135 kW) - 44.1 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-14%

1 / 4

Used (2019) Fiat 500C Lounge 69 HP | Super price

- 1.2 Lounge 2dr

2019
35,000 miles
Trim level: Lounge
1.2L Petrol
Cabriolet
Manual
69 HP (50 kW)
CO2 emissions: 131 g CO2/km comb.
5.7 mpg
Details

Super price

£5,988

£6,988

EN92PA

Availability verified

1 / 4

Used (2018) Fiat 500C Lounge 105 HP | Good price

- 0.9 TwinAir 105 Lounge 2dr

2018
39,986 miles
Trim level: Lounge
0.9L Petrol
Cabriolet
Manual
105 HP (77 kW)
CO2 emissions: 99 g CO2/km comb.
4.2 mpg
Details

Good price

£6,709

£6,695

PL75JY Plymouth, Devon

Availability verified

-3%

1 / 4

Used (2018) Mazda MX5 Inclusive 160 HP | Good price

- 2.0 Sport Nav 2dr

2018
17,926 miles
Trim level: Inclusive
2.0L Petrol
Cabriolet
Manual
160 HP (117 kW)
CO2 emissions: 161 g CO2/km comb.
6.9 mpg
Details

Good price

£14,795

£15,295

S751LR

Availability verified

-3%

1 / 4

Used (2022) Mazda MX5 Inclusive 132 HP | Good price

1.5 [132] Sport 2dr

May 2022
18,099 miles
Trim level: Inclusive
1.5L Petrol
Cabriolet
Manual
132 HP (97 kW)
CO2 emissions: 142 g CO2/km comb.
6.3 mpg
Details

Good price

£18,000

£18,696

WC1E 7DP Greater London, London

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Used Mazda MX5 Inclusive 184 HP (135 kW) 2022 Cabriolet

(2022) Mazda MX5 Inclusive 184 HP

Good price

You save £1,310

155 g CO2/km comb. - 184 HP (135 kW) - 6.9 Mpg

Carwow

Used Abarth 124 Spider 170 HP (125 kW) 2019 Cabriolet

(2019) Abarth 124 Spider 170 HP

Fair price

Estimated price £17,175

EN4 9PA London, London

153 g CO2/km comb. - 170 HP (125 kW) - 6.6 Mpg

Carwow

Used Mazda MX5 Inclusive 184 HP (135 kW) 2021 White Cabriolet

(2021) Mazda MX5 Inclusive 184 HP

Fair price

Estimated price £22,005

DE21 7RW Spondon, Derbyshire

155 g CO2/km comb. - 184 HP (135 kW) - 6.9 Mpg

Carwow

Used Audi A5 Cabriolet S-Line 190 HP (139 kW) 2019 Black Cabriolet

(2019) Audi A5 Cabriolet S-Line 190 HP

Fair price

You save £1,050

TN6 2GZ East Sussex, East Sussex

170 g CO2/km comb. - 190 HP (139 kW) - 7.4 Mpg

-11%

1 / 4

Used (2017) Mini John Cooper Works Cabriolet 231 HP | Good price

- Convertible 2.0 2dr

2017
42,028 miles
2.0L Petrol
Cabriolet
Manual
231 HP (169 kW)
CO2 emissions: 152 g CO2/km comb.
6.4 mpg
Details

Good price

£11,490

£12,990

CV370HR

Availability verified

-1%

1 / 3

Used (2022) Mazda MX5 Inclusive 184 HP | Good price

- 2.0 [184] Sport Tech 2dr

2022
48,065 miles
Trim level: Inclusive
2.0L Petrol
Cabriolet
Manual
184 HP (135 kW)
CO2 emissions: 155 g CO2/km comb.
6.9 mpg
Details

Good price

£17,690

£17,980

CV346RH

Availability verified

-5%

1 / 4

Used (2020) Audi A5 Cabriolet S-Line 190 HP | Good price

2.0 TFSI 40 S line Convertible 2dr

2020
47,718 miles
Trim level: S-Line
2.0L Petrol
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 170 g CO2/km comb.
7.4 mpg
Details

Good price

£17,990

£18,990

NE8 3HL Tyne And Wear, Tyne And Wear

Availability verified

-3%

1 / 4

Used (2018) Land Rover Range Rover evoque HSE Dynamic 179 HP | Super price

- Range Convertible 2.0 TD4 HSE

2018
79,000 miles
Trim level: HSE Dynamic
2.0L Diesel
Cabriolet
Automatic
179 HP (131 kW)
CO2 emissions: 179 g CO2/km comb.
6.8 mpg
Details

Super price

£12,250

£12,750

SS25EZ

Availability verified

-11%

1 / 3

Used (2017) Mercedes C220 170 HP | Good price

- C-Class CabrioletSport 2dr

2017
40,469 miles
2.1L Diesel
Cabriolet
Manual
170 HP (125 kW)
CO2 emissions: 116 g CO2/km comb.
4.5 mpg
Details

Good price

£14,711

£16,644

RM13 8RH Greater London, London

Availability verified

-2%

1 / 2

Used (2015) BMW Z4 M Sport 245 HP | Good price

- 28i sDrive M Sport 2dr

2015
104,000 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Manual
245 HP (180 kW)
CO2 emissions: 159 g CO2/km comb.
6.8 mpg
Details

Good price

£8,295

£8,495

DE737HL

Availability verified

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Used Mercedes SLC200 AMG line 184 HP (135 kW) 2018 Cabriolet

(2018) Mercedes SLC200 AMG line 184 HP

Good price

You save £2,115

173 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow

Used BMW Z4 Sport Line 197 HP (144 kW) 2022 Cabriolet

(2022) BMW Z4 Sport Line 197 HP

Good price

You save £2,501

CW7 Cheshire West And Chester, Cheshire

161 g CO2/km comb. - 197 HP (144 kW) - 7.1 Mpg

Carwow

Used Abarth 124 Spider 170 HP (125 kW) 2018 White Cabriolet

(2018) Abarth 124 Spider 170 HP

Fair price

EN4 9PA London, London

153 g CO2/km comb. - 170 HP (125 kW) - 6.6 Mpg

Carwow

Used Mazda MX5 Inclusive 184 HP (135 kW) 2021 Red Cabriolet

(2021) Mazda MX5 Inclusive 184 HP

Fair price

Estimated price £21,976

WC1E 7DP Greater London, London

155 g CO2/km comb. - 184 HP (135 kW) - 6.9 Mpg

1 / 4

Used (2022) Mini Cooper Cabriolet Classic 136 HP | Good price

Convertible 1.5 Classic 2dr

2022
42,121 miles
Trim level: Classic
1.5L Petrol
Cabriolet
Automatic
136 HP (100 kW)
CO2 emissions: 136 g CO2/km comb.
5.9 mpg
Details

Good price

£14,893

£14,392

WC1E 7DP Greater London, London

Availability verified

New

1 / 4

Used (2020) BMW 430 Cabriolet M Sport 252 HP | Super price

- 4 Series Convertible i M Sport

2020
106,000 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
252 HP (185 kW)
CO2 emissions: 183 g CO2/km comb.
8 mpg
Details

Super price

£10,995

SO455DA

Availability verified

-3%

1 / 3

Used (2020) Mini Cooper Cabriolet Comfort 136 HP | Good price

CONVERTIBLE 1.5 Classic II 2dr

2020
32,040 miles
Trim level: Comfort
1.5L Petrol
Cabriolet
Manual
136 HP (100 kW)
CO2 emissions: 139 g CO2/km comb.
50.4 mpg
Details

Good price

£11,799

£12,199

CW7 Cheshire West And Chester, Cheshire

Availability verified

New

1 / 3

Used (2018) Abarth 124 Spider 170 HP | Good price

1.4 T MultiAir Auto

2018
53,680 miles
1.4L Petrol
Cabriolet
Automatic
170 HP (125 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Good price

£15,197

HU9 1DN Kingston Upon Hull, East Yorkshire

Availability verified

-2%

1 / 3

Used (2018) Mercedes C220 Active 170 HP | Good price

C CLASS DIESEL CABRIOLET AMG Line

2018
40,380 miles
Trim level: Active
2.1L Diesel
Cabriolet
Automatic
170 HP (125 kW)
CO2 emissions: 126 g CO2/km comb.
57.7 mpg
Details

Good price

£16,499

£16,999

CW7 Cheshire West And Chester, Cheshire

Availability verified

-2%

1 / 3

Used (2019) Audi A3 Cabriolet Sport 220 HP | Good price

40 TFSI Sport 2dr S Tronic [

2019
51,150 miles
Trim level: Sport
2.0L Petrol
Cabriolet
Automatic
220 HP (161 kW)
CO2 emissions: 141 g CO2/km comb.
45.6 mpg
Details

Good price

£15,199

£15,599

CW7 Cheshire West And Chester, Cheshire

Availability verified

-1%

1 / 3

Used (2019) Mini Cooper S Cabriolet Comfort 192 HP | Good price

CONVERTIBLE 2.0 Classic II 2dr

2019
29,640 miles
Trim level: Comfort
2.0L Petrol
Cabriolet
Automatic
192 HP (141 kW)
CO2 emissions: 123 g CO2/km comb.
40.9 mpg
Details

Good price

£14,499

£14,699

CW7 Cheshire West And Chester, Cheshire

Availability verified

-1%

1 / 3

Used (2018) Mini Cooper Cabriolet Chili 136 HP | Good price

CONVERTIBLE 1.5 II 2dr [Chili

2018
45,200 miles
Trim level: Chili
1.5L Petrol
Cabriolet
Manual
136 HP (100 kW)
CO2 emissions: 127 g CO2/km comb.
49.6 mpg
Details

Good price

£10,099

£10,299

CW7 Cheshire West And Chester, Cheshire

Availability verified

1 / 3

Used (2017) Fiat 124 Spider Classica 140 HP | Good price

CONVERTIBLE 1.4 Multiair Classica

2017
15,040 miles
Trim level: Classica
1.4L Petrol
Cabriolet
Manual
140 HP (102 kW)
CO2 emissions: 148 g CO2/km comb.
44.1 mpg
Details

Good price

£12,899

£12,599

CW7 Cheshire West And Chester, Cheshire

Availability verified

-5%

1 / 4

Used (2020) Mercedes E220 AMG Line Premium 194 HP | Super price

- AMG Line Premium 2dr 9G-Tron

2020
32,815 miles
Trim level: AMG Line Premium
2.0L Diesel
Cabriolet
Automatic
194 HP (142 kW)
CO2 emissions: 170 g CO2/km comb.
6.4 mpg
Details

Super price

£19,450

£20,495

BB115EX

Availability verified

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Used Abarth 124 Spider 170 HP (125 kW) 2019 Cabriolet

(2019) Abarth 124 Spider 170 HP

Fair price

Estimated price £16,654

GU28 West Sussex, West Sussex

153 g CO2/km comb. - 170 HP (125 kW) - 6.6 Mpg

Carwow

Used Mazda MX5 Inclusive 160 HP (117 kW) 2018 Silver Cabriolet

(2018) Mazda MX5 Inclusive 160 HP

Fair price

N11 1GN Greater London, London

161 g CO2/km comb. - 160 HP (117 kW) - 6.9 Mpg

Carwow

Used Mazda MX5 Inclusive 132 HP (97 kW) 2021 Blue Cabriolet

(2021) Mazda MX5 Inclusive 132 HP

Fair price

Estimated price £18,907

WC1E 7DP Greater London, London

142 g CO2/km comb. - 132 HP (97 kW) - 45.0 Mpg

Carwow

Used Mini John Cooper Works Cabriolet Comfort 231 HP (169 kW) 2018 Black Cabriolet

(2018) Mini John Cooper Works Cabriolet Comfort 231 HP

Fair price

CW7 Cheshire West And Chester, Cheshire

136 g CO2/km comb. - 231 HP (169 kW) - 47.9 Mpg

-3%

1 / 3

Used (2020) BMW 420 M Sport 184 HP | Super price

- 4 Series Convertible i M Sport

2020
30,717 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 182 g CO2/km comb.
8 mpg
Details

Super price

£17,165

£17,758

E65LU

Availability verified

New

1 / 1

Used (2018) Mazda MX5 Inclusive 160 HP | Good price

- 2.0 Sport Nav 2dr

2018
29,600 miles
Trim level: Inclusive
2.0L Petrol
Cabriolet
Manual
160 HP (117 kW)
CO2 emissions: 161 g CO2/km comb.
6.9 mpg
Details

Good price

£13,695

S80 2QD Nottinghamshire, Nottinghamshire

Availability verified

1 / 4

Used (2023) Fiat 500e La Prima 118 HP | Super price

- Electric Convertible 87kW La

2023
29,052 miles
Trim level: La Prima
Electric
Cabriolet
Automatic
Drive range: 314 miles
86 kW (118 HP)
CO2 emissions: 0 g CO2/km comb.
14.3 kWh/100 km
Details

Super price

£13,400

S605BD

Availability verified

-4%

1 / 4

Used (2021) Mini Cooper Cabriolet Classic 136 HP | Good price

- Convertible 1.5 Classic 2dr

2021
8,549 miles
Trim level: Classic
1.5L Petrol
Cabriolet
Manual
136 HP (100 kW)
CO2 emissions: 135 g CO2/km comb.
5.9 mpg
Details

Good price

£14,770

£15,500

LS27 0TS Morley, West Yorkshire

Availability verified

-5%

Used (2020) Mercedes E220 AMG Line Premium 194 HP | Good price

-AMG Line Premium 2dr 9G-Troni

2020
93,114 miles
Trim level: AMG Line Premium
2.0L Diesel
Cabriolet
Automatic
194 HP (142 kW)
CO2 emissions: 170 g CO2/km comb.
6.4 mpg
Details

Good price

£15,380

£16,210

E6 5LU Greater London, London

Availability verified

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Used Mercedes SL350 AMG 306 HP (225 kW) 2013 Cabriolet

(2013) Mercedes SL350 AMG 306 HP

Fair price

Estimated price £19,635

PE30 King'S Lynn, Norfolk

169 g CO2/km comb. - 306 HP (225 kW) - 7.2 Mpg

Carwow

Used Mazda MX5 Inclusive 181 HP (133 kW) 2018 Grey Cabriolet

(2018) Mazda MX5 Inclusive 181 HP

Good price

You save £1,300

NP44 3AS Torfaen Principal Area, Gwent

167 g CO2/km comb. - 181 HP (133 kW) - 7.2 Mpg

Carwow

Used Mazda MX5 Inclusive 184 HP (135 kW) 2022 Cabriolet

(2022) Mazda MX5 Inclusive 184 HP

Fair price

155 g CO2/km comb. - 184 HP (135 kW) - 6.9 Mpg

Carwow

Used Mercedes E220 AMG line 194 HP (142 kW) 2019 Red Cabriolet

(2019) Mercedes E220 AMG line 194 HP

Fair price

Estimated price £20,834

CW7 Cheshire West And Chester, Cheshire

169 g CO2/km comb. - 194 HP (142 kW) - 53.3 Mpg

Showing 1 - 25 of 6,273 results

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118,655 cars

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19,136 cars

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2,551 cars

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14,515 cars

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15,555 cars

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9,192 cars

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convertible (1000+)