BMW 420 with automatic • 1,384 cars with Valuation

Market overview: Price of BMW 420 with automatic: 1,384 cars for sale. Prices typically vary between £8,995 and £45,898. Check the AutoUncle Valuation before buying.

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Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Cabriolet

Automatic

(2025) BMW 420 M Sport 184 HP

£29,450

Super price

You save £5,450

CM1 3BH Essex, Essex

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

Carwow

Used BMW 420 Comfort Edition 190 HP (139 kW) 2021 White Coupe

Automatic

(2021) BMW 420 Comfort Edition 190 HP

£24,495

Fair price

Estimated price £23,337

BL1 3BS Greater Manchester, Manchester

131 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 Blue Coupe

Automatic

(2022) BMW 420 M Sport 190 HP

£24,949

Super price

You save £3,051

NP19 4YR Newport, Gwent

122 g CO2/km comb. - 190 HP (139 kW) - 4.7 Mpg

Carwow

Used BMW 420 Comfort Edition 190 HP (139 kW) 2022 White Cabriolet

Automatic

(2022) BMW 420 Comfort Edition 190 HP

£23,499

Good price

You save £2,101

CW7 Cheshire West And Chester, Cheshire

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

Price checked by AutoUncle

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Good price

Fair price

A bit pricey

Expensive

-3%

1 / 4

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

- 4 Series Convertible i M Sport

2025
31,508 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
mpg: 6.8
CO2: 154 g CO2/km comb.
Details

Super price

£30,200

£31,150

CM1 3BH Essex, Essex

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-4%

1 / 3

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

- 4 Series Convertible d [190] M

2020
50,277 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
mpg: 5.9
CO2: 156 g CO2/km comb.
Details

Super price

£14,990

£15,722

E6 5LU Greater London, London

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1 / 3

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

- 4 Series Gran Coupe i M Sport

2021
40,757 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.3
CO2: 169 g CO2/km comb.
Details

Super price

£16,050

£16,100

WD3 3RT Croxley Green, Hertfordshire

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-2%

1 / 3

Used (2021) BMW 420 Sport Line 184 HP | Super price

- 4 Series Gran Coupe i xDrive

2021
49,900 miles
Trim level: Sport Line
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.8
CO2: 182 g CO2/km comb.
Details

Super price

£13,699

£13,999

CW7 Cheshire West And Chester, Cheshire

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Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2022 Black Coupe

Automatic

(2022) BMW 420 M Sport 184 HP

£24,995

Fair price

Estimated price £24,461

S80 2QD Nottinghamshire, Nottinghamshire

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

Carwow

Automatic

(2025) BMW 420 M Sport 184 HP

£30,200

Super price

You save £5,300

CM1 3BH Essex, Essex

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 White Cabriolet

Automatic

(2022) BMW 420 M Sport 190 HP

£25,119

Fair price

You save £1,281

WC1E 7DP Greater London, London

130 g CO2/km comb. - 190 HP (139 kW) - 57.6 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2021 White Coupe

Automatic

(2021) BMW 420 M Sport 190 HP

£23,300

Fair price

Estimated price £22,724

ME5 9QG Kent, Kent

122 g CO2/km comb. - 190 HP (139 kW) - 4.7 Mpg

-3%

1 / 4

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

- 4 Series d [190] M Sport 2dr

2020
57,949 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.7
CO2: 149 g CO2/km comb.
Details

Super price

£14,000

£14,500

B33 0LD West Midlands, West Midlands

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-6%

1 / 3

Used (2019) BMW 420 M Sport 190 HP | Good price

- 4 Series Gran Coupe d [190] M

2019
104,499 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.8
CO2: 151 g CO2/km comb.
Details

Good price

£11,498

£12,347

RM13 8RH Greater London, London

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-4%

1 / 3

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

- 4 Series Gran Coupe i M Sport

2021
41,151 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.3
CO2: 169 g CO2/km comb.
Details

Super price

£16,817

£17,687

E6 5LU Greater London, London

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-3%

1 / 4

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

- 4 Series Convertible i M Sport

2025
36,531 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
mpg: 6.8
CO2: 154 g CO2/km comb.
Details

Super price

£29,450

£30,500

CM1 3BH Essex, Essex

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-1%

1 / 3

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

- 4 Series i M Sport 2dr Auto

2020
60,375 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.3
CO2: 170 g CO2/km comb.
Details

Super price

£15,795

£15,995

BL1 3DE Greater Manchester, Manchester

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-1%

1 / 4

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

- 4 Series i xDrive M Sport 2dr

2020
35,850 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.8
CO2: 179 g CO2/km comb.
Details

Good price

£16,025

£16,295

W1H 7AB Greater London, London

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Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2021 Blue Coupe

Automatic

(2021) BMW 420 M Sport 190 HP

£24,301

Fair price

You save £399

NE36 0BQ West Boldon, Tyne And Wear

122 g CO2/km comb. - 190 HP (139 kW) - 60.1 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2023 Coupe

Automatic

(2023) BMW 420 M Sport 184 HP

£27,149

Fair price

You save £1,151

E4 7PX Greater London, London

151 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 Black Coupe

Automatic

(2022) BMW 420 M Sport 190 HP

£25,300

Fair price

You save £500

WD3 3RT Croxley Green, Hertfordshire

130 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

Automatic

(2023) BMW 420 M Sport 184 HP

£29,692

Fair price

Estimated price £28,548

SO53 3YU Cross Rise, Hampshire

151 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

-1%

1 / 4

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

- 4 Series Gran Coupe i xDrive M

2021
40,090 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.8
CO2: 178 g CO2/km comb.
Details

Super price

£16,499

£16,699

CW7 Cheshire West And Chester, Cheshire

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New

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

- 4 Series d [190] M Sport 2dr

2020
61,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.7
CO2: 149 g CO2/km comb.
Details

Good price

£14,975

PO22 9NG West Sussex, West Sussex

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-3%

1 / 3

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

- 4 Series d [190] M Sport 2dr

2020
58,500 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.7
CO2: 149 g CO2/km comb.
Details

Super price

£12,499

£12,999

NE63 0YA Northumberland, Northumberland

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New

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

- 4 Series i M Sport 2dr Auto

2020
39,296 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.3
CO2: 170 g CO2/km comb.
Details

Good price

£15,420

BB1 3NU Lancashire, Lancashire

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-2%

1 / 3

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

- 4 Series Convertible i M Sport

2020
70,597 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
mpg: 8.0
CO2: 182 g CO2/km comb.
Details

Super price

£12,499

£12,799

NE63 0YA Northumberland, Northumberland

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-2%

1 / 4

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

4 Series d xDrive MHT M Sport 2dr

2022
28,132 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.0
CO2: 131 g CO2/km comb.
Details

Good price

£26,199

£26,999

G32 9QA Glasgow City, Glasgow

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-9%

1 / 4

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

- 4 Series d MHT M Sport 2dr Step

2022
26,916 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 4.7
CO2: 122 g CO2/km comb.
Details

Super price

£24,949

£27,599

NP19 4YR Newport, Gwent

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-3%

1 / 4

Used (2021) BMW 420 Sport Line 184 HP | Super price

- 4 Series Gran Coupe i xDrive

2021
37,179 miles
Trim level: Sport Line
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.8
CO2: 182 g CO2/km comb.
Details

Super price

£15,550

£16,150

DE65 5FJ Hilton, Derbyshire

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1 / 1

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

- 4 Series Gran Coupe i M Sport

2021
49,156 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.3
CO2: 169 g CO2/km comb.
Details

Super price

£16,400

£16,500

RM20 3NL Purfleet-On-Thames, Essex

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-1%

1 / 4

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

- 4 Series d [190] xDrive M Sport

2020
61,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 6.0
CO2: 158 g CO2/km comb.
Details

Good price

£14,750

£14,950

DE65 5FJ Hilton, Derbyshire

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Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2023 Blue Coupe

Automatic

(2023) BMW 420 M Sport 184 HP

£29,691

Fair price

Estimated price £29,297

SO53 3YU Cross Rise, Hampshire

151 g CO2/km comb. - 184 HP (135 kW) - 42.8 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2022 Grey Coupe

Automatic

(2022) BMW 420 M Sport 184 HP

£29,695

Fair price

Estimated price £28,918

SO53 3YU Cross Rise, Hampshire

151 g CO2/km comb. - 184 HP (135 kW) - 42.8 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2023 Cabriolet

Automatic

(2023) BMW 420 M Sport 184 HP

£31,430

Fair price

Estimated price £30,092

EX2 8FD Marsh Barton, Devon

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

Carwow

Automatic

(2022) BMW 420 M Sport 190 HP

£26,199

Good price

You save £1,601

G32 9QA Glasgow City, Glasgow

131 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

-3%

1 / 3

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

- 4 Series Convertible d [190] M

2020
51,896 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
mpg: 5.9
CO2: 156 g CO2/km comb.
Details

Super price

£14,000

£14,550

N11 1GN Greater London, London

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-4%

1 / 3

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

- 4 Series d [190] M Sport 2dr

2020
37,993 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.7
CO2: 149 g CO2/km comb.
Details

Good price

£16,508

£17,253

E6 5LU Greater London, London

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Availability verified

-4%

1 / 3

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

- 4 Series Convertible d [190] M

2020
43,626 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
mpg: 5.9
CO2: 156 g CO2/km comb.
Details

Good price

£16,455

£17,273

E6 5LU Greater London, London

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-12%

1 / 4

Used (2022) BMW 420 Comfort Edition 190 HP | Good price

4 SERIES DIESEL CONVERTIBLE d MHT

2022
52,830 miles
Trim level: Comfort Edition
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
mpg: 4.9
CO2: 129 g CO2/km comb.
Details

Good price

£23,499

£26,999

CW7 Cheshire West And Chester, Cheshire

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1 / 3

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

- 4 Series Convertible d [190] M

2020
52,259 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
mpg: 5.9
CO2: 156 g CO2/km comb.
Details

Good price

£15,200

WD3 3RT Croxley Green, Hertfordshire

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Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 White Coupe

Automatic

(2025) BMW 420 M Sport 184 HP

£36,590

Super price

You save £3,610

CT2 7PX Kent, Kent

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Hatchback

Automatic

(2025) BMW 420 M Sport 184 HP

£37,152

Fair price

You save £948

TA6 6DD Somerset, Somerset

153 g CO2/km comb. - 184 HP (135 kW) - 42.0 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Coupe

Automatic

(2025) BMW 420 M Sport 184 HP

£38,490

Fair price

Estimated price £37,306

SO53 3YU Cross Rise, Hampshire

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

Automatic

(2025) BMW 420 M Sport 184 HP

£39,154

Fair price

You save £446

TS18 3RB, Durham

155 g CO2/km comb. - 184 HP (135 kW) - 42.0 Mpg

Showing 1 - 25 of 1,389 results

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