BMW 420 (M Sport) • 1,383 cars with analysis

Market overview: Market price for BMW 420 (M Sport): The average price is £22,986, ranging from £8,990 to £43,493. Among 1,383 cars with the M Sport trim, AutoUncle identified 257 good deals listed below market value.

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M Sport

(2022) BMW 420 M Sport 190 HP

£26,749

Fair price

You save £1,051

G32 9QA Glasgow

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

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M Sport

(2022) BMW 420 M Sport 190 HP

£28,107

Fair price

Estimated price £27,245

TA66DD, Somerset

130 g CO2/km comb. - 190 HP (139 kW) - 57.0 Mpg

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M Sport

(2023) BMW 420 M Sport 184 HP

£29,990

Fair price

Estimated price £29,297

SO533YU, Hampshire

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

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M Sport

(2022) BMW 420 M Sport 190 HP

£25,949

Good price

You save £2,051

NP194SS

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

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Super price

Good price

Fair price

A bit pricey

Expensive

1 / 4

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

- 4 Series Gran Coupe i xDrive M

2021
45,272 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 7.8
CO2: 178 g CO2/km comb.
Details

Good price

£18,466

£18,590

E48PZ, London

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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

£16,899

£16,699

CW73AL, Cheshire

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-5%

1 / 4

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

Good price

£25,949

£27,599

NP194SS

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-1%

1 / 4

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

- 4 Series Gran Coupe i xDrive M

2021
76,484 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

£13,799

£14,000

B330LD Birmingham, West Midlands

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M Sport

(2022) BMW 420 M Sport 190 HP

£25,290

Fair price

You save £1,110

WC1E 7DP London, London

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

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£29,700

Super price

You save £5,200

CM13BH Chelmsford, Essex

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

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M Sport

(2022) BMW 420 M Sport 190 HP

£22,495

Super price

You save £4,005

WV10 0AE West Midlands, West Midlands

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

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M Sport

(2021) BMW 420 M Sport 190 HP

£23,300

Fair price

Estimated price £22,724

ME59QG, Kent

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

-5%

1 / 4

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

4 Series d [190] M Sport 2dr Auto

2020
19,230 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

£18,949

£20,049

NP194SS

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-3%

1 / 4

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

- 4 Series i xDrive M Sport 2dr

2020
29,646 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

£18,699

£19,449

SA7 9AG Llansamlet

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-9%

1 / 4

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

- 4 Series d xDrive MHT M Sport

2022
25,272 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

£25,249

£27,799

EH15 1BT Edinburgh, Edinburgh

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1 / 4

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

4 Series d [190] M Sport 2dr Auto

2020
46,989 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

£17,400

£17,200

BB13NU Blackburn,, Lancashire

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New

1 / 4

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

- 4 Series Convertible d [190] M

2020
55,500 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

£15,950

GU27 3JG Fernhurst, West Sussex

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-1%

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

£30,700

£31,150

CM13BH Chelmsford, Essex

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M Sport

(2022) BMW 420 M Sport 190 HP

£27,849

Fair price

Estimated price £26,999

EH15 1BT Portobello

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

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£30,700

Super price

You save £4,800

CM13BH Chelmsford, Essex

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

Carwow

M Sport

(2022) BMW 420 M Sport 190 HP

£25,350

Fair price

You save £450

WD33RT Watford, Hertfordshire

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

Carwow

M Sport

(2022) BMW 420 M Sport 184 HP

£24,995

Fair price

Estimated price £24,461

S802QD Hinckley, Nottinghamshire

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

New

1 / 3

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

- 4 Series d [190] M Sport 2dr

2020
74,150 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

£13,994

OL84PQ, Manchester

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New

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

£16,295

W1H7AB, London

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New

1 / 4

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

- 4 Series Gran Coupe d [190] M

2020
74,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.8
CO2: 151 g CO2/km comb.
Details

Super price

£12,495

EN92HU, Essex

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Availability verified

-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

£14,998

£15,722

E65LU, London

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Availability verified

-2%

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

£29,700

£30,500

CM13BH Chelmsford, Essex

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Availability verified

-7%

1 / 4

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

- 4 Series Convertible i M Sport

2025
13,010 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

£31,495

£33,993

SO533YU, Hampshire

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Availability verified

-7%

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

£11,430

£12,347

E65LU, London

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Availability verified

-9%

1 / 3

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

- 4 Series Gran Coupe d [190] M

2019
89,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
190 HP (139 kW)
mpg: 5.8
CO2: 128 g CO2/km comb.
Details

Super price

£9,990

£10,990

TN57QR Wadhurst, East Sussex

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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

£15,995

BL13DE, Manchester

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1 / 2

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

- 4 Series d [190] M Sport 2dr

2020
62,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 5.7
CO2: 149 g CO2/km comb.
Details

Super price

£12,994

OL84PQ, Manchester

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M Sport

(2021) BMW 420 M Sport 190 HP

£24,394

Fair price

You save £306

NE360BQ, Tyne And Wear

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

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M Sport

(2025) BMW 420 M Sport 184 HP

£31,495

Super price

You save £6,105

SO533YU, Hampshire

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

Carwow

M Sport

(2022) BMW 420 M Sport 190 HP

£25,249

Good price

You save £1,951

EH15 1BT Edinburgh, Edinburgh

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

Carwow

M Sport

(2020) BMW 420 M Sport 184 HP

£18,699

Good price

You save £1,601

SA7 9AG Llansamlet

179 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

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

- 4 Series Gran Coupe i xDrive M

2021
70,198 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

£14,490

DL12LD Darlington, Durham

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1 / 4

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

- 4 Series Gran Coupe i M Sport

2021
56,393 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
184 HP (135 kW)
mpg: 7.4
CO2: 170 g CO2/km comb.
Details

Super price

£12,699

IP256HW, Norfolk

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1 / 4

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

- 4 Series d [190] xDrive M Sport

2020
72,082 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 6.0
CO2: 158 g CO2/km comb.
Details

Super price

£12,950

DE655FJ Hilton, Derbyshire

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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

£16,505

£17,253

E65LU, London

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-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

£16,510

£17,273

E65LU, London

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M Sport

(2020) BMW 420 M Sport 190 HP

£18,949

Super price

You save £2,951

NP194SS

149 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

M Sport

(2020) BMW 420 M Sport 184 HP

£20,500

Fair price

Estimated price £20,502

OL126AW, Manchester

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

Carwow

M Sport

(2021) BMW 420 M Sport 190 HP

£18,850

Fair price

Estimated price £18,219

WD33RT Watford, Hertfordshire

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

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£36,990

Good price

You save £3,210

CT2 7PX Canterbury, Kent

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

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See BMW 420

BMW 420 (1000+)