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BMW 420 Valuation: 1,397 used car listings analysed

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

(2022) BMW 420 M Sport 184 HP

£23,545

Fair price

You save £755

W1H 7AB Greater London, London

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2020 White Coupe

(2020) BMW 420 M Sport 184 HP

£16,699

Fair price

You save £301

CV6 5QS West Midlands, West Midlands

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2021 Coupe

(2021) BMW 420 M Sport 184 HP

£17,950

Fair price

You save £350

HA36AG

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2021 Grey Coupe

(2021) BMW 420 M Sport 184 HP

£18,950

Fair price

You save £650

S75 1LR Barugh Green, South Yorkshire

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

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1 / 4

Used (2025) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2025
8,232 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 159 g CO2/km comb.
40.4 mpg
Details

Fair price

£36,950

£36,000

Bmw.co.uk

WR4 9FA Worcestershire, Worcestershire

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-1%

1 / 4

Used (2025) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2025
5,343 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 146 g CO2/km comb.
44.1 mpg
Details

Fair price

£37,399

£37,999

Exchange and Mart

CH1 4LS Chester, Cheshire

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-13%

1 / 4

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

4 Series d [190] xDrive M Sport

2016
62,755 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 125 g CO2/km comb.
60.1 mpg
Details

Fair price

£12,498

£14,498

Dealer

AB12 3BE Torry, Aberdeen

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-2%

1 / 4

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

4 Series i M Sport 5dr Step

2022
52,077 miles
Trim level: M Sport
2.0L Petrol
Hatchback
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
41.5 mpg
Details

Fair price

£23,498

£23,998

Dealer

KY11 4LF Fife, Fife

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Used BMW 420 M Sport 184 HP (135 kW) 2018 Black Coupe

(2018) BMW 420 M Sport 184 HP

£16,780

Fair price

Estimated price £16,085

BB1 3NU Lancashire, Lancashire

178 g CO2/km comb. - 184 HP (135 kW) - 35.8 Mpg

Carwow

(2021) BMW 420 M Sport 184 HP

£17,973

Good price

You save £2,227

E65LU

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

Carwow

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

(2022) BMW 420 M Sport 190 HP

£22,840

Fair price

You save £760

BB1 3NU Lancashire, Lancashire

130 g CO2/km comb. - 190 HP (139 kW) - 53.3 Mpg

Carwow

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

(2022) BMW 420 M Sport 184 HP

£19,813

Fair price

Estimated price £19,346

LE12 7AT Mountsorrel, Leicestershire

144 g CO2/km comb. - 184 HP (135 kW) - 6.3 Mpg

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Used (2017) BMW 420 M Sport 190 HP | Fair price

4 Series d [190] M Sport 2dr Auto

2017
63,108 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
46.3 mpg
Details

Fair price

£13,750

£14,495

Parkers.co.uk

CA3 0HA Cumberland, Cumbria

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-3%

1 / 4

Used (2017) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport 2dr Auto

2017
40,959 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
36.7 mpg
Details

Fair price

£14,895

£15,395

Motors.co.uk

PE27 3LG Cambridgeshire, Cambridgeshire

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-1%

1 / 4

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

4 Series d M Sport Coupe 2.0

2020
30,944 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
CO2 emissions: 118 g CO2/km comb.
49.6 mpg
Details

Fair price

£20,690

£21,000

Bmw.co.uk

S9 2RQ South Yorkshire, South Yorkshire

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-1%

1 / 4

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

4 Series i M Sport 2dr Step

2021
9,272 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
43.5 mpg
Details

Fair price

£26,995

£27,495

Parkers.co.uk

FY4 5PQ Lancashire, Lancashire

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-5%

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Used (2015) BMW 420 Performance | Fair price

4 Series i SE 2dr

2015
90,300 miles
Trim level: Performance
2.0L Petrol
Cabriolet
Manual
42 mpg
Details

Fair price

£9,495

£9,995

Motors.co.uk

TN22 3QH East Sussex, East Sussex

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Used (2025) BMW 420 M Sport | Fair price

4 Series i M Sport Auto Coupe

2025
3,936 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£39,880

£39,940

Exchange and Mart

Lancashire, Lancashire

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Used BMW 420 M Sport 184 HP (135 kW) 2021 Black Cabriolet

(2021) BMW 420 M Sport 184 HP

£23,600

Fair price

Estimated price £22,461

RM20 3NL Purfleet-On-Thames, Essex

154 g CO2/km comb. - 184 HP (135 kW) - 40.9 Mpg

Carwow

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

(2022) BMW 420 M Sport 184 HP

£22,500

Fair price

You save £400

RM20 3NL Purfleet-On-Thames, Essex

144 g CO2/km comb. - 184 HP (135 kW) - 43.5 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 Coupe

(2020) BMW 420 M Sport 190 HP

£17,449

Fair price

You save £51

IP12DZ, Suffolk

151 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2019 Blue Cabriolet

(2019) BMW 420 M Sport 190 HP

£17,445

Fair price

You save £155

E6 5LT Greater London, London

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

1 / 4

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport 2dr Step

2022
35,200 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
43.5 mpg
Details

Fair price

£25,950

Motors.co.uk

BT6 0LR Belfast

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1 / 4

Used (2014) BMW 420 M Sport | Fair price

4 Series d M Sport 2dr Auto

2014
112,900 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
56 mpg
Details

Fair price

£8,990

Motors.co.uk

PE1 1TZ Peterborough, Cambridgeshire

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-3%

1 / 4

Used (2018) BMW 420 M Sport 190 HP | Fair price

4 Series d [190] xDrive M Sport

2018
67,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
45.6 mpg
Details

Fair price

£14,995

£15,495

Parkers.co.uk

CO16 0HH Thorpe-Le-Soken, Essex

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-3%

1 / 4

Used (2017) BMW 420 M Sport 190 HP | Fair price

4 Series 2.0 d M Sport Convertible

2017
51,570 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
46.3 mpg
Details

Fair price

£14,995

£15,495

Parkers.co.uk

CO16 0HH Thorpe-Le-Soken, Essex

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-4%

1 / 4

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

4 Series d [190] M Sport 2dr

2016
74,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
190 HP (139 kW)
47.9 mpg
Details

Fair price

£11,495

£11,995

Motors.co.uk

BT23 4LN Ards And North Down

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1 / 4

Used (2018) BMW 420 M Sport 190 HP | Fair price

4 Series d [190] xDrive M Sport

2018
96,565 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
45.6 mpg
Details

Fair price

£12,495

Motors.co.uk

DD2 4PE Dundee City Council, Dundee

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1 / 4

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

4 Series d MHT M Sport 5dr Step

2022
56,914 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
53.3 mpg
Details

Fair price

£25,990

Parkers.co.uk

OL10 1DL Greater Manchester, Manchester

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-5%

1 / 4

Used (2018) BMW 420 M Sport 187 HP | Fair price

4 Series d [190] M Sport 5dr Auto

2018
49,924 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
Details

Fair price

£16,500

£17,500

Buyacar

Delivered to you

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

4 Series d [190] xDrive M Sport

Sep 2016
30,488 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 125 g CO2/km comb.
Details

Fair price

£16,995

Buyacar

Delivered to you

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-7%

1 / 4

Used (2025) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2025
7,313 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 146 g CO2/km comb.
44.1 mpg
Details

Fair price

£37,995

£40,995

Bmw.co.uk

BT12 6QU Belfast

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(2021) BMW 420 M Sport 184 HP

£17,499

Super price

You save £2,601

WA89WZ

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2019 White Coupe

(2019) BMW 420 M Sport 184 HP

£17,499

Fair price

Estimated price £17,264

WA8 9WZ Halton, Cheshire

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 Cabriolet

(2020) BMW 420 M Sport 190 HP

£16,995

Super price

You save £3,405

OL3 5PJ Diggle, Manchester

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2017 White Cabriolet

(2017) BMW 420 M Sport 190 HP

£16,995

Fair price

You save £205

OL3 5PJ Diggle, Manchester

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

-4%

1 / 4

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

4 Series i M Sport Convertible 2.0

2023
28,884 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

£31,271

£32,811

Bmw.co.uk

TW8 9DD Greater London, London

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-2%

1 / 4

Used (2021) BMW 420 M Sport | Fair price

4 Series i M Sport Auto Coupe

2021
37,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£23,490

£23,980

Exchange and Mart

Lincolnshire, Lincolnshire

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-11%

1 / 4

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

4 Series Gran Coupe 2.0 d M Sport

2016
116,801 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
190 HP (139 kW)
Details

Fair price

£7,990

£8,990

Motors.co.uk

PE3 7PR Peterborough, Cambridgeshire

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1 / 4

Used (2017) BMW 420 M Sport 190 HP | Fair price

4 Series d [190] M Sport 2dr Auto

2017
84,940 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
48.7 mpg
Details

Fair price

£11,995

Motors.co.uk

S74 0EB Hoyland, South Yorkshire

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-3%

1 / 4

Used (2023) BMW 420 M Sport | Fair price

4 Series i M Sport Auto Coupe

2023
11,020 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£29,945

£30,945

Exchange and Mart

Dorset, Dorset

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Used BMW 420 M Sport 184 HP (135 kW) 2018 Black Cabriolet

(2018) BMW 420 M Sport 184 HP

£17,960

Fair price

Estimated price £17,361

NR3 2AW Norfolk, Norfolk

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

Carwow

(2020) BMW 420 M Sport 184 HP

£17,973

Super price

You save £3,427

E6 5LT Greater London, London

169 g CO2/km comb. - 184 HP (135 kW) - 37.2 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 Grey Coupe

(2020) BMW 420 M Sport 190 HP

£22,149

Fair price

Estimated price £22,149

BB12 6EH Lancashire, Lancashire

151 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2020 Grey Coupe

(2020) BMW 420 M Sport 184 HP

£19,976

Fair price

You save £824

DH1 1GG County Durham, Durham

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

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