Used convertible under £20,000 • 6,853 price-rated cars

Market overview: Convertible under £20,000 (April-2026): AutoUncle has analysed 6,853 used convertible cars for sale in this budget range. The most popular models are Ford Transit, Mini Cooper Cabriolet, Mazda MX5, and the median price is £8,900. convertible cars in this price segment typically come with petrol and manual. AutoUncle has rated 1,005 cars as listed below market value. The typical selling time is approx. 28 days, and 24.7% of listings have recently been reduced. (Source: AutoUncle market data, April-2026)

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Used Mazda MX5 Exclusive-Line 184 HP (135 kW) 2026 Cabriolet

(2026) Mazda MX5 Exclusive-Line 184 HP

Good price

You save £2,010

153 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

Carwow

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

(2019) Abarth 124 Spider 170 HP

Fair price

Estimated price £16,705

GU28 West Sussex, West Sussex

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

Carwow

Used Mini Cooper Cabriolet Classic 136 HP (100 kW) 2022 Silver Cabriolet

(2022) Mini Cooper Cabriolet Classic 136 HP

Good price

You save £1,600

WS11 1SL Staffordshire, Staffordshire

136 g CO2/km comb. - 136 HP (100 kW) - 5.9 Mpg

Carwow

Used Audi A5 Cabriolet S-Line 190 HP (139 kW) 2017 Cabriolet

(2017) Audi A5 Cabriolet S-Line 190 HP

Fair price

Estimated price £19,717

133 g CO2/km comb. - 190 HP (139 kW) - 5.9 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-7%

1 / 4

Used (2019) Fiat 500C Lounge 69 HP | Good 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

Good price

£6,488

£6,988

EN92PA

Availability verified

-1%

1 / 4

Used (2026) Mazda MX5 Exclusive-Line 132 HP | Super price

- 1.5 [132] Exclusive-Line 2dr

2026
9,062 miles
Trim level: Exclusive-Line
1.5L Petrol
Cabriolet
Manual
132 HP (97 kW)
CO2 emissions: 140 g CO2/km comb.
6.1 mpg
Details

Super price

£19,699

£20,099

TS183RW

Availability verified

-1%

1 / 4

Used (2022) Audi TT Roadster Sport 197 HP | Good price

- 40 TFSI Sport 2dr S Tronic

2022
61,157 miles
Trim level: Sport
2.0L Petrol
Cabriolet
Automatic
197 HP (144 kW)
CO2 emissions: 157 g CO2/km comb.
6.9 mpg
Details

Good price

£19,497

£19,697

S13 9BS Handsworth, South Yorkshire

Availability verified

-11%

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

£18,299

£20,699

CW7 Cheshire West And Chester, Cheshire

Availability verified

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Carwow

Used Mazda MX5 Exclusive-Line 184 HP (135 kW) 2026 Cabriolet

(2026) Mazda MX5 Exclusive-Line 184 HP

Super price

You save £3,401

153 g CO2/km comb. - 184 HP (135 kW) - 6.8 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

Estimated price £18,145

TN6 2GZ East Sussex, East Sussex

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

Carwow

Used Ford Transit 131 HP (96 kW) 2024 Cabriolet

(2024) Ford Transit 131 HP

Super price

You save £5,310

WD18 8YG Hertfordshire, Hertfordshire

181 g CO2/km comb. - 131 HP (96 kW) - 6.9 Mpg

Carwow

Used BMW 430 Cabriolet M Sport 252 HP (185 kW) 2019 Blue Cabriolet

(2019) BMW 430 Cabriolet M Sport 252 HP

Fair price

WC1E 7DP Greater London, London

183 g CO2/km comb. - 252 HP (185 kW) - 8.0 Mpg

-9%

1 / 4

Used (2022) Fiat 500e La Prima 118 HP | Good price

ELECTRIC CABRIO 87kW La Prima

2022
9,720 miles
Trim level: La Prima
Electric
Cabriolet
Automatic
Drive range: 310 miles
86 kW (118 HP)
CO2 emissions: 0 g CO2/km comb.
14.4 kWh/100 km
Details

Good price

£15,099

£16,699

CW7 Cheshire West And Chester, Cheshire

Availability verified

-5%

1 / 4

Used (2026) Mazda MX5 Exclusive-Line 132 HP | Good price

- RF 1.5 [132] Exclusive-Line

2026
25,220 miles
Trim level: Exclusive-Line
1.5L Petrol
Cabriolet
Manual
132 HP (97 kW)
CO2 emissions: 140 g CO2/km comb.
6.1 mpg
Details

Good price

£19,346

£20,489

NG7 2SZ Nottingham, Nottinghamshire

Availability verified

-1%

1 / 4

Used (2026) Mazda MX5 Exclusive-Line 184 HP | Super price

- 2.0 [184] Exclusive-Line 2dr

2026
31,576 miles
Trim level: Exclusive-Line
2.0L Petrol
Cabriolet
Manual
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
6.8 mpg
Details

Super price

£19,977

£20,311

NG7 2SZ Nottingham, Nottinghamshire

Availability verified

New

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

£12,750

SS25EZ

Availability verified

-5%

1 / 3

Used (2020) Mercedes C300 AMG Line Premium 245 HP | Super price

- C-Class Cabriolet AMG Line

2020
49,543 miles
Trim level: AMG Line Premium
2.0L Diesel
Cabriolet
Automatic
245 HP (180 kW)
CO2 emissions: 153 g CO2/km comb.
5.8 mpg
Details

Super price

£16,750

£17,800

N11 1GN Greater London, London

Availability verified

New

1 / 4

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

Convertible 1.5 Classic 2dr

2021
32,825 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

£14,000

ME19 5PL Kent, Kent

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

(2020) Mercedes E220 AMG Line Premium 194 HP

Super price

You save £3,501

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) 2019 Cabriolet

(2019) Abarth 124 Spider 170 HP

Fair price

Estimated price £17,014

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

Carwow

Used Mazda MX5 Exclusive-Line 132 HP (97 kW) 2026 Cabriolet

(2026) Mazda MX5 Exclusive-Line 132 HP

Super price

You save £3,301

140 g CO2/km comb. - 132 HP (97 kW) - 6.1 Mpg

Carwow

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

(2022) Mazda MX5 Inclusive 184 HP

Fair price

Estimated price £20,739

KT15 2RX Weybridge, Surrey

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

New

1 / 4

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

Convertible 1.5 Classic II 2dr

2020
40,845 miles
Trim level: Classic
1.5L Petrol
Cabriolet
Manual
136 HP (100 kW)
CO2 emissions: 139 g CO2/km comb.
6.1 mpg
Details

Good price

£11,300

ME19 5PL Kent, Kent

Availability verified

-7%

1 / 4

Used (2018) Mercedes C200 Active 184 HP | Good price

AMG Line 2dr Auto [Active park

2018
58,317 miles
Trim level: Active
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 141 g CO2/km comb.
44.8 mpg
Details

Good price

£15,499

£16,699

CW7 Cheshire West And Chester, Cheshire

Availability verified

-4%

1 / 3

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

- Convertible 1.5 Sport II 2dr

2020
6,994 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Manual
136 HP (100 kW)
CO2 emissions: 139 g CO2/km comb.
6.1 mpg
Details

Good price

£12,839

£13,375

DL14 9TW Tindale Crescent, Durham

Availability verified

-26%

1 / 4

Used (2021) Fiat 500C Star 69 HP | Good price

1.0 Mild Hybrid Star 2dr

2021
28,910 miles
Trim level: Star
1.0L Hybrid
Cabriolet
Manual
69 HP (50 kW)
CO2 emissions: 121 g CO2/km comb.
5.3 mpg
Details

Good price

£9,576

£12,995

WC1E 7DP Greater London, London

Availability verified

New

1 / 4

Used (2016) VW Beetle Cabriolet Design 105 HP | Super price

- 1.2 TSI Design 2dr DSG [Start

2016
31,993 miles
Trim level: Design
1.2L Petrol
Cabriolet
Automatic
105 HP (77 kW)
CO2 emissions: 127 g CO2/km comb.
5.5 mpg
Details

Super price

£16,850

CV37 Stratford-Upon-Avon, Warwickshire

Availability verified

-2%

1 / 3

Used (2020) BMW 420 M Sport 184 HP | Good 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

Good price

£17,396

£17,758

E65LU

Availability verified

-4%

1 / 4

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

Convertible 1.5 Classic 2dr

2022
14,845 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

£16,295

£17,000

NR3 2AW Norfolk, Norfolk

Availability verified

-3%

1 / 3

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

- AMG Line Premium 2dr 9G-Tron

2020
43,739 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

£18,636

£19,352

E65LU

Availability verified

-8%

1 / 3

Used (2023) Fiat 500C Dolcevita 69 HP | Good price

- 1.0 Mild Hybrid Dolcevita [Part

2023
33,827 miles
Trim level: Dolcevita
1.0L Hybrid
Cabriolet
Manual
69 HP (50 kW)
CO2 emissions: 105 g CO2/km comb.
4.6 mpg
Details

Good price

£9,408

£10,303

WS11 8XR Staffordshire, Staffordshire

Availability verified

-1%

1 / 4

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

- 1.2 Pop 2dr

2019
48,000 miles
Trim level: Pop
1.2L Petrol
Cabriolet
Manual
69 HP (50 kW)
CO2 emissions: 137 g CO2/km comb.
5.7 mpg
Details

Super price

£5,895

£5,995

HP18 9BW Long Crendon, Buckinghamshire

Availability verified

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Used Mini Cooper Cabriolet Exclusive 136 HP (100 kW) 2022 Silver Cabriolet

(2022) Mini Cooper Cabriolet Exclusive 136 HP

Fair price

Estimated price £17,900

PO35FF Portsmouth, Hampshire

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

Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2019 Black Cabriolet

(2019) Mercedes C300 AMG line 258 HP

Fair price

Estimated price £20,301

BL1 3DE Greater Manchester, Manchester

174 g CO2/km comb. - 258 HP (189 kW) - 7.5 Mpg

Carwow

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

(2019) Mazda MX5 Inclusive 184 HP

Fair price

Estimated price £19,617

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

Carwow

Used Mazda MX5 132 HP (97 kW) 2022 Cabriolet

(2022) Mazda MX5 132 HP

Fair price

Estimated price £17,824

142 g CO2/km comb. - 132 HP (97 kW) - 6.3 Mpg

-4%

1 / 3

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

- 4 Series Convertible d [190] M

2020
68,132 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

Good price

£14,512

£15,130

E65LU

Availability verified

-3%

1 / 3

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

- 4 Series Convertible d [190] M

2020
52,487 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

Good price

£18,540

£19,293

RM13 8RH Greater London, London

Availability verified

1 / 4

Used (2018) Mercedes SLC180 AMG line 156 HP | Good price

SLC ROADSTER AMG Line 2dr

2018
40,980 miles
Trim level: AMG line
1.6L Petrol
Cabriolet
Automatic
156 HP (114 kW)
CO2 emissions: 144 g CO2/km comb.
44.8 mpg
Details

Good price

£16,099

£15,999

CW7 Cheshire West And Chester, Cheshire

Availability verified

-5%

1 / 4

Used (2021) VW T-Roc Cabriolet Design 150 HP | Good price

1.5 TSI Design 2dr DSG

2021
12,105 miles
Trim level: Design
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
CO2 emissions: 149 g CO2/km comb.
6.6 mpg
Details

Good price

£19,299

£20,349

TS18 3RW Stockton-On-Tees, Durham

Availability verified

-2%

1 / 3

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

- 4 Series Convertible d [190] M

2020
43,626 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

£16,766

£17,273

E6 5LU Greater London, London

Availability verified

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Used Mini Cooper Cabriolet Classic 136 HP (100 kW) 2022 Cabriolet

(2022) Mini Cooper Cabriolet Classic 136 HP

Fair price

Estimated price £17,598

136 g CO2/km comb. - 136 HP (100 kW) - 5.9 Mpg

Carwow

Used Mercedes C220 Premium Plus 170 HP (125 kW) 2018 Silver Cabriolet

(2018) Mercedes C220 Premium Plus 170 HP

Fair price

Estimated price £17,209

KA8 8DP Ayrshire, Ayrshire And Arran

126 g CO2/km comb. - 170 HP (125 kW) - 4.9 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 VW T-Roc Cabriolet Design 150 HP (110 kW) 2021 Blue Cabriolet

(2021) VW T-Roc Cabriolet Design 150 HP

Good price

You save £1,901

TS18 3RW Stockton-On-Tees, Durham

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

Showing 1 - 25 of 6,514 results

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