Used convertible under £20,000 • 6,318 price-rated cars

Market overview: Convertible under £20,000 (June-2026): AutoUncle has analysed 6,318 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 £8,690. convertible cars in this price segment typically come with petrol and manual. AutoUncle has rated 1,040 cars as listed below market value. The typical selling time is approx. 26 days, and 29.5% of listings have recently been reduced. (Source: AutoUncle market data, June-2026)

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Carwow

Used Mazda MX5 Edition 160 HP (117 kW) 2017 Cabriolet

(2017) Mazda MX5 Edition 160 HP

Fair price

Estimated price £17,969

BR5 2LF Saint Paul'S Cray, London

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

Carwow

Used VW T-Roc Cabriolet Active 150 HP (110 kW) 2021 Black Cabriolet

(2021) VW T-Roc Cabriolet Active 150 HP

Fair price

HU9 1DN Kingston Upon Hull, East Yorkshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

New

1 / 4

Used (2015) Mercedes E350 AMG Line Premium 258 HP | Good price

- E-Class Cabriolet BlueTEC AMG

2015
94,000 miles
Trim level: AMG Line Premium
3.0L Diesel
Cabriolet
Automatic
258 HP (189 kW)
CO2 emissions: 146 g CO2/km comb.
5.6 mpg
Details

Good price

£10,230

Hayes, London

Availability verified

-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

£17,218

£17,758

E65LU

Availability verified

-4%

1 / 4

Used (2018) Audi TT Roadster Sport 230 HP | Good price

- 2.0T FSI Sport 2dr

2018
53,367 miles
Trim level: Sport
2.0L Petrol
Cabriolet
Manual
230 HP (169 kW)
CO2 emissions: 144 g CO2/km comb.
6.1 mpg
Details

Good price

£12,990

£13,590

RG75JF

Availability verified

-5%

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

£12,000

£12,750

SS25EZ

Availability verified

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Carwow

Used Mazda MX5 Inclusive 184 HP (135 kW) 2019 White Cabriolet

(2019) Mazda MX5 Inclusive 184 HP

Fair price

Estimated price £19,685

RG24 7JD Old Basing, Hampshire

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

Carwow

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

(2022) Mazda MX5 Inclusive 184 HP

Fair price

WS11 1SL Staffordshire, Staffordshire

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

Carwow

Used Mazda MX5 184 HP (135 kW) 2019 White Cabriolet

(2019) Mazda MX5 184 HP

Fair price

Estimated price £18,013

RG24 7JD Old Basing, Hampshire

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

1 / 4

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

- Electric Convertible 87kW La

2023
29,058 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 (2016) Audi A3 Cabriolet Sport 150 HP | Good price

1.4 TFSI 150 Sport 2dr S Tronic

2016
56,965 miles
Trim level: Sport
1.4L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 115 g CO2/km comb.
5 mpg
Details

Good price

£11,240

£11,760

CB22 6SE Foxton, Cambridgeshire

Availability verified

1 / 4

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

- 2.0 Sport Nav 2dr

2018
41,861 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

£13,396

£13,417

LN24JA

Availability verified

-4%

1 / 4

Used (2020) BMW 420 M Sport 190 HP | Super price

- 4 Series Convertible d [190] M

2020
41,852 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 156 g CO2/km comb.
5.9 mpg
Details

Super price

£15,190

£15,900

RG75JF

Availability verified

New

1 / 4

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

- 2.0 Sport Nav 2dr

2018
27,997 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

£14,000

NP15 1QB Monkswood, Monmouthshire

Availability verified

1 / 3

Used (2018) Mazda MX5 131 HP | Super price

- 1.5 SE 2dr

2018
46,150 miles
1.5L Petrol
Cabriolet
Manual
131 HP (96 kW)
CO2 emissions: 139 g CO2/km comb.
6 mpg
Details

Super price

£10,199

£9,999

CW7 Cheshire West And Chester, Cheshire

Availability verified

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Used Mazda MX5 184 HP (135 kW) 2019 Black Cabriolet

(2019) Mazda MX5 184 HP

Fair price

Estimated price £17,351

TA1 2UH Somerset, Somerset

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

Carwow

Used Mini Cooper S Cabriolet Exclusive 178 HP (130 kW) 2022 Blue/black Cabriolet

(2022) Mini Cooper S Cabriolet Exclusive 178 HP

Fair price

Estimated price £19,683

PE1 5YG Peterborough, Cambridgeshire

145 g CO2/km comb. - 178 HP (130 kW) - 6.1 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 £2,951

B6 5SU West Midlands, West Midlands

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

Carwow

Used Mazda MX5 Inclusive 184 HP (135 kW) 2019 Cabriolet

(2019) Mazda MX5 Inclusive 184 HP

Fair price

Estimated price £18,078

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
64,699 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

£10,900

£11,000

WA28JH

Availability verified

-2%

1 / 4

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

Classic Convertible 2dr Petrol

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

£15,200

LS27 0TS Morley, West Yorkshire

Availability verified

-2%

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: 148 g CO2/km comb.
40.9 mpg
Details

Good price

£14,399

£14,699

CW7 Cheshire West And Chester, Cheshire

Availability verified

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

£14,895

£14,392

WC1E 7DP Greater London, London

Availability verified

-1%

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

£16,699

£16,999

CW7 Cheshire West And Chester, Cheshire

Availability verified

-9%

1 / 4

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

- AMG Line Premium 2dr 9G-Tron

2020
38,050 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

£18,799

£20,699

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

£12,999

£12,599

CW7 Cheshire West And Chester, Cheshire

Availability verified

1 / 4

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

1.4 Multiair Lusso 2dr

2017
29,890 miles
Trim level: Lusso
1.4L Petrol
Cabriolet
Manual
140 HP (102 kW)
CO2 emissions: 148 g CO2/km comb.
6.4 mpg
Details

Good price

£12,450

£12,400

WD3 3RT Croxley Green, Hertfordshire

Availability verified

-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

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Used Iveco Daily 136 HP (100 kW) 2022 Cabriolet

(2022) Iveco Daily 136 HP

Fair price

Estimated price £23,530

136 HP (100 kW)

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 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

Carwow

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

(2019) Mercedes E220 AMG line 194 HP

Fair price

UB11 1FW Hayes, London

169 g CO2/km comb. - 194 HP (142 kW) - 42.8 Mpg

-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

-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

-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

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

(2020) Mercedes E220 AMG Line Premium 194 HP

Fair price

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

Carwow

Used Mercedes C220 AMG Line Premium 194 HP (142 kW) 2019 Silver Cabriolet

(2019) Mercedes C220 AMG Line Premium 194 HP

Fair price

You save £1,020

UB11 1FW Hayes, London

142 g CO2/km comb. - 194 HP (142 kW) - 52.3 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

Carwow

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

(2019) Mercedes E220 AMG line 194 HP

Fair price

Estimated price £20,816

N11 1GN Greater London, London

169 g CO2/km comb. - 194 HP (142 kW) - 5.8 Mpg

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convertible (1000+)