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BMW 420 (convertible) • 224 cars with Valuation

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Cabriolet

(2022) BMW 420 M Sport 190 HP

£26,990

Fair price

You save £610

CT27PX

129 g CO2/km comb. - 190 HP (139 kW) - 4.9 Mpg

Carwow

Cabriolet

(2020) BMW 420 M Sport 184 HP

£17,181

Super price

You save £2,719

E65LU

182 g CO2/km comb. - 184 HP (135 kW) - 8.0 Mpg

Carwow

Cabriolet

(2019) BMW 420 Comfort Edition 184 HP

£17,299

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

Cabriolet

(2025) BMW 420 M Sport 184 HP

£42,450

Fair price

Estimated price £41,701

WC1E 7DP Greater London, London

154 g CO2/km comb. - 184 HP (135 kW) - 41.5 Mpg

1 / 3

Used (2019) BMW 420 Comfort Edition 184 HP | Fair price

4 SERIES CONVERTIBLE i M Sport 2dr

2019
48,050 miles
Trim level: Comfort Edition
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 182 g CO2/km comb.
44.1 mpg
Details

Fair price

£17,299

CW7 Cheshire West And Chester, Cheshire

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-5%

1 / 4

Used (2025) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport Convertible 2.0

Sep 2025
5,799 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
41.5 mpg
Details

Fair price

£42,450

£44,995

WC1E 7DP Greater London, London

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-1%

1 / 4

Used (2022) BMW 420 M Sport 190 HP | Fair price

- 4 Series Convertible d MHT M

2022
27,081 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 129 g CO2/km comb.
4.9 mpg
Details

Fair price

£26,990

£27,490

CT27PX

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1 / 1

New (2026) BMW 420 M Sport 184 HP | Fair price

- 4 Series Convertible i M Sport

2026
0 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

Fair price

£55,746

MK150DQ Milton Keynes, Buckinghamshire

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Cabriolet

(2019) BMW 420 M Sport 190 HP

£13,537

Fair price

You save £663

NN12 West Northamptonshire, Northamptonshire

160 g CO2/km comb. - 190 HP (139 kW) - 6.1 Mpg

Carwow

Cabriolet

(2020) BMW 420 M Sport 190 HP

£13,000

Good price

You save £1,500

LE167TB

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

Carwow

Cabriolet

(2020) BMW 420 M Sport 190 HP

£9,499

Super price

You save £3,301

PO202EU

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

Carwow

Cabriolet

(2020) BMW 420 M Sport 190 HP

£15,290

Super price

You save £4,610

RG75JF

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

1 / 1

New (2026) BMW 420 M Sport 184 HP | Fair price

- 4 Series Convertible i M Sport

2026
10 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

Fair price

£53,757

£53,820

RH101TN

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1 / 1

New (2026) BMW 420 M Sport 184 HP | Fair price

- 4 Series Convertible i M Sport

2026
0 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

Fair price

£55,800

S92RQ

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1 / 4

Used (2024) BMW 420 M Sport 181 HP | Fair price

4 Series I M Sport 2Dr Step

2024
10,451 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
41.5 mpg
Details

Fair price

£35,399

£35,499

Motors.co.uk

ST17 4PQ Staffordshire, Staffordshire

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-1%

1 / 4

Used (2023) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i M Sport Convertible

2023
8,000 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
Details

Fair price

£34,423

£34,977

Motors.co.uk

L20 9NG Merseyside, Merseyside

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-3%

1 / 4

Used (2024) BMW 420 M Sport 180 HP | Fair price

4 Series Convertible i M Sport 2dr

2024
17,118 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
180 HP (132 kW)
Details

Fair price

£37,490

£39,000

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-2%

1 / 4

Used (2015) BMW 420 M Sport | Fair price

4 Series d M Sport 2dr Auto

2015
89,176 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
Details

Fair price

£9,995

£10,250

Motors.co.uk

LL12 9YG Cefn-Y-Bedd, Cheshire

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Cabriolet

(2019) BMW 220 M Sport 190 HP

£14,650

Fair price

Estimated price £14,504

WD3 3RT Croxley Green, Hertfordshire

163 g CO2/km comb. - 190 HP (139 kW) - 6.1 Mpg

Carwow

Cabriolet

(2015) BMW 220 M Sport 184 HP

£10,990

Fair price

Estimated price £10,225

UB96LX

152 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow

Cabriolet

(2017) BMW 220 M Sport 190 HP

£9,975

Fair price

Estimated price £9,611

GL12 8BD Bagstone, Gloucestershire

117 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Cabriolet

(2017) Mercedes C250 AMG line 204 HP

£14,400

Fair price

Estimated price £13,695

M17 1PZ Stretford, Manchester

126 g CO2/km comb. - 204 HP (150 kW) - 4.9 Mpg

1 / 4

Used (2022) BMW 420 M Sport 180 HP | Fair price

4 Series Convertible i M Sport 2dr

2022
19,500 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
180 HP (132 kW)
Details

Fair price

£30,723

£30,485

Buyacar

Delivered to you

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-37%

1 / 4

Used (2021) BMW 420 M Sport 184 HP | Fair price

i M Sport Convertible

Jun 2021
23,273 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 160 g CO2/km comb.
41.5 mpg
Details

Fair price

£28,131

£45,000

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-35%

1 / 4

Used (2021) BMW 420 M Sport 187 HP | Fair price

d M Sport Convertible

2021
26,178 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
187 HP (137 kW)
CO2 emissions: 134 g CO2/km comb.
55.4 mpg
Details

Fair price

£26,990

£41,890

Bmw.co.uk

CT2 7PX Kent, Kent

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New

1 / 4

Used (2017) BMW 420 M Sport | Fair price

4 Series d [190] M Sport 2dr Auto

2017
79,835 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
Details

Fair price

£13,495

Motors.co.uk

NP13 2LN Aberbeeg, Gwent

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New

1 / 4

Used (2019) BMW 420 M Sport | Fair price

4 Series d [190] M Sport 2dr Auto

2019
28,827 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
Details

Fair price

£19,250

Motors.co.uk

DH7 8TB Meadowfield, Durham

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1 / 4

Used (2018) BMW 420 Sport Line 180 HP | Fair price

4 Series i Sport 2dr Auto

2018
62,069 miles
Trim level: Sport Line
2.0L Petrol
Cabriolet
Automatic
180 HP (132 kW)
Details

Fair price

£14,180

£14,234

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-22%

1 / 4

Used (2022) BMW 420 M Sport 192 HP | Fair price

4 Series i M Sport Convertible 2.0

Mar 2022
30,105 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
192 HP (141 kW)
CO2 emissions: 154 g CO2/km comb.
41.5 mpg
Details

Fair price

£28,450

£36,490

Bmw.co.uk

B90 4NU Shirley, West Midlands

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1 / 4

Used (2016) BMW 420 M Sport | Fair price

4 Series d [190] M Sport 2dr Auto

2016
116,550 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
Details

Fair price

£10,490

Motors.co.uk

CW12 2JJ Hulme Walfield, Cheshire

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Used (2016) BMW 420 M Sport 190 HP | Fair price

4 Series 2.0 d M Sport Convertible

2016
59,000 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
Details

Fair price

£14,000

Exchange and Mart

PR3 0RB Claughton-On-Brock, Lancashire

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-12%

1 / 4

Used (2020) BMW 420 M Sport 187 HP | Fair price

4 Series d M Sport Convertible 2.0

2020
29,707 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
187 HP (137 kW)
CO2 emissions: 157 g CO2/km comb.
47.1 mpg
Details

Fair price

£21,990

£25,000

Bmw.co.uk

WV2 West Midlands, West Midlands

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Cabriolet

(2020) Mercedes C200 AMG Line Premium 184 HP

£21,000

Fair price

Estimated price £20,216

ME5 9QG Kent, Kent

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

Carwow

Cabriolet

(2019) Mercedes E220 AMG line 194 HP

£21,850

Fair price

Estimated price £20,816

N11 1GN Greater London, London

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

Carwow

Cabriolet

(2020) Mercedes E220 AMG Line Premium 194 HP

£21,850

Fair price

Estimated price £21,017

WD3 3RT Croxley Green, Hertfordshire

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

Carwow

Cabriolet

(2019) Mercedes E220 AMG Line Premium Plus 194 HP

£21,495

Fair price

Estimated price £20,697

BL13DE

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

1 / 2

Used (2016) BMW 420 M Sport 190 HP | Fair price

4 Series d [190] M Sport 2dr

Nov 2016
77,000 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Manual
190 HP (139 kW)
CO2 emissions: 160 g CO2/km comb.
Details

Fair price

£11,495

Exchange and Mart

WC1E 7DP Greater London, London

View the car

1 / 4

Used (2022) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport 2dr Step Auto

May 2022
39,650 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 155 g CO2/km comb.
42 mpg
Details

Fair price

£27,368

£26,751

Honestjohn

OX4 4AT Oxfordshire, Oxfordshire

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-2%

1 / 4

Used (2023) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Convertible M

2023
30,155 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

Fair price

£31,250

£31,950

Bmw.co.uk

HD1 6NN West Yorkshire, West Yorkshire

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1 / 4

Used (2014) BMW 420 M Sport | Fair price

4 Series d M Sport 2dr Auto

2014
76,000 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
Details

Fair price

£9,995

Motors.co.uk

B26 1SQ Yardley, West Midlands

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-34%

1 / 4

Used (2022) BMW 420 M Sport 187 HP | Fair price

d M Sport Convertible

2022
35,600 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
187 HP (137 kW)
CO2 emissions: 130 g CO2/km comb.
57.6 mpg
Details

Fair price

£28,000

£42,950

Bmw.co.uk

LU4 8QN Maidenhall, Bedfordshire

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Cabriolet

(2019) Mercedes E220 AMG line 194 HP

£21,899

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

Cabriolet

(2020) Mercedes E220 AMG Line Premium 194 HP

£18,999

Super price

You save £2,901

B6 5SU West Midlands, West Midlands

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

Carwow

Cabriolet

(2020) Mercedes E220 AMG Line Premium 194 HP

£18,499

Super price

You save £3,101

CW7 Cheshire West And Chester, Cheshire

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

Carwow

Cabriolet

(2019) Mercedes E220 AMG line 194 HP

£17,736

Fair price

You save £164

RM13 8RH Greater London, London

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

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