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(M Sport) BMW 420 used • 52 cars for sale – Compares prices!

Featured deals

heycar

BMW 420 4 Series i M Sport 2dr Step Auto

£27,995

Good price

You save £2,305

WC1E 7DP London, London

152 g CO2/km comb. - 181 HP (133 kW) - 42.2 Mpg

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£26,995

Super price

You save £3,805

DA145BZ, London

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

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£25,800

Good price

You save £2,600

SW170HB, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr Auto [Professional Media]

£18,200

Fair price

Estimated price £17,871

N111GN Barnet, London

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

Carwow

BMW 420 - 4 Series i Sport 2dr Auto [Business Media]

£12,850

Fair price

You save £250

N111GN Barnet, London

178 g CO2/km comb. - 184 HP (135 kW) - 7.4 Mpg

Carwow

BMW 420 - 4 Series d [190] M Sport 2dr Auto [Professional Media]

£15,000

Super price

You save £2,300

N111GN Barnet, London

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

Carwow

BMW 420 4 Series d [190] M Sport 2dr Auto [Professional Media]

£14,268

Super price

You save £2,632

BR67QR Kent, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr [Professional Media]

£12,180

Good price

You save £1,020

BR67QR Kent, London

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

heycar

Audi A5 40 TFSI 204 S Line 2dr S Tronic

£27,500

Fair price

Estimated price £27,353

TW89BQ Brentford, London

154 g CO2/km comb. - 201 HP (147 kW)

heycar

Audi A5 COUPE (2 DR) 35 TFSI Sport 2dr S Tronic

£24,513

Super price

You save £4,287

DA51BZ Bexley, London

35 g CO2/km comb. - 150 HP (110 kW) - 45.6 Mpg

Carwow

VW Arteon 1.4 TSI 13kWh R-Line Fastback 5dr Petrol Plug-in Hybrid DSG Euro 6 (s/s) (218 ps) Panoramic Hatchback

£23,500

Super price

You save £2,700

SW170HB, London

30 g CO2/km comb. - 218 HP (160 kW) - 1.3 Mpg

heycar

VW Arteon 2.0 TSI R-Line 5dr DSG

£20,323

Fair price

You save £1,177

DA51BZ Bexley, London

190 HP (139 kW)

heycar

Audi A5 -2.0 TFSI 150 S line 4dr Tronic

£35,400

Super price

You save £4,900

CB223AY Cambridge, Cambridgeshire

154 g CO2/km comb. - 150 HP (110 kW) - 6.8 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 5dr

£3,249

Good price

You save £651

PE134AX, Cambridgeshire

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Fiat Panda -1.2 Easy 5dr

£3,290

Super price

You save £2,510

NG95JW, Nottinghamshire

132 g CO2/km comb. - 69 HP (50 kW) - 5.6 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,380

Super price

You save £1,620

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

Carwow

Renault Zoe -65kW Dynamique Intens 5dr Auto

£3,485

Good price

You save £715

DE12BU, Derbyshire

0 g CO2/km comb. - 64 kW (88 HP)

Carwow

Citroën C1 -1.0 VTi Touch 3dr

£3,495

Good price

You save £1,005

BB44BG, Lancashire

95 g CO2/km comb. - 68 HP (50 kW) - 4.1 Mpg

Carwow

Fiat 500 1.2 Lounge 3dr [Start Stop]

£3,655

Good price

You save £945

PO144AY, Hampshire

111 g CO2/km comb. - 69 HP (50 kW) - 60.0 Mpg

Sort

Dealer

Used (2019) BMW 420 M Sport 181 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

WC1E 7DP London, London

Fair price

You save £650

WC1E 7DP London, London

Visit Carsite.co.uk

Dealer

Used (2023) BMW 420 M Sport 188 HP | Fair price

4 Series Gran Coupe d MHT M Sport

Fair price

Used (2016) BMW 420 M Sport 184 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

Used (2018) BMW 420 M Sport 181 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

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

4 Series i M Sport Coupe 2.0

SN5 8WG SWINDON, Wiltshire

Fair price

Estimated price £36,252

SN5 8WG SWINDON, Wiltshire

Visit Carsite.co.uk

Dealer

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

4 Series d xDrive MHT M Sport 2dr

Fair price

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

4 Series Gran Coupe i M Sport 5dr

Fair price

Estimated price £46,186

Delivered to you

Visit Buyacar

Dealer

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

4 Series i M Sport 2dr Step Auto

Fair price

Estimated price £48,280

Delivered to you

Visit Buyacar

Dealer

Used (2018) BMW 420 M Sport 188 HP | A bit pricey

4 Series d [190] xDrive M Sport

A bit pricey

Estimated price £16,499

Delivered to you

Visit Buyacar

Dealer

Used (2018) BMW 420 M Sport 184 HP | A bit pricey

4 Series i xDrive M Sport 5dr Auto

A bit pricey

Estimated price £16,683

Delivered to you

Visit Buyacar

Featured deals

Carwow

BMW 420 - 4 Series i Sport 2dr Auto [Business Media]

£12,850

Fair price

You save £250

N111GN Barnet, London

178 g CO2/km comb. - 184 HP (135 kW) - 7.4 Mpg

Carwow

BMW 420 - 4 Series d [190] M Sport 2dr Auto [Professional Media]

£15,000

Super price

You save £2,300

N111GN Barnet, London

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

Carwow

BMW 420 4 Series d [190] M Sport 2dr Auto [Professional Media]

£14,268

Super price

You save £2,632

BR67QR Kent, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr [Professional Media]

£12,180

Good price

You save £1,020

BR67QR Kent, London

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

heycar

Audi A5 40 TFSI 204 S Line 2dr S Tronic

£27,500

Fair price

Estimated price £27,353

TW89BQ Brentford, London

154 g CO2/km comb. - 201 HP (147 kW)

heycar

Audi A5 COUPE (2 DR) 35 TFSI Sport 2dr S Tronic

£24,513

Super price

You save £4,287

DA51BZ Bexley, London

35 g CO2/km comb. - 150 HP (110 kW) - 45.6 Mpg

Carwow

VW Arteon 1.4 TSI 13kWh R-Line Fastback 5dr Petrol Plug-in Hybrid DSG Euro 6 (s/s) (218 ps) Panoramic Hatchback

£23,500

Super price

You save £2,700

SW170HB, London

30 g CO2/km comb. - 218 HP (160 kW) - 1.3 Mpg

heycar

VW Arteon 2.0 TSI R-Line 5dr DSG

£20,323

Fair price

You save £1,177

DA51BZ Bexley, London

190 HP (139 kW)

heycar

Audi A5 -2.0 TFSI 150 S line 4dr Tronic

£35,400

Super price

You save £4,900

CB223AY Cambridge, Cambridgeshire

154 g CO2/km comb. - 150 HP (110 kW) - 6.8 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 5dr

£3,249

Good price

You save £651

PE134AX, Cambridgeshire

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Fiat Panda -1.2 Easy 5dr

£3,290

Super price

You save £2,510

NG95JW, Nottinghamshire

132 g CO2/km comb. - 69 HP (50 kW) - 5.6 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,380

Super price

You save £1,620

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

Carwow

Renault Zoe -65kW Dynamique Intens 5dr Auto

£3,485

Good price

You save £715

DE12BU, Derbyshire

0 g CO2/km comb. - 64 kW (88 HP)

Carwow

Citroën C1 -1.0 VTi Touch 3dr

£3,495

Good price

You save £1,005

BB44BG, Lancashire

95 g CO2/km comb. - 68 HP (50 kW) - 4.1 Mpg

Carwow

Fiat 500 1.2 Lounge 3dr [Start Stop]

£3,655

Good price

You save £945

PO144AY, Hampshire

111 g CO2/km comb. - 69 HP (50 kW) - 60.0 Mpg

heycar

BMW 420 4 Series i M Sport 2dr Step Auto

£27,995

Good price

You save £2,305

WC1E 7DP London, London

152 g CO2/km comb. - 181 HP (133 kW) - 42.2 Mpg

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£26,995

Super price

You save £3,805

DA145BZ, London

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

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£25,800

Good price

You save £2,600

SW170HB, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr Auto [Professional Media]

£18,200

Fair price

Estimated price £17,871

N111GN Barnet, London

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

Dealer

Used (2024) BMW 420 M Sport 181 HP | A bit pricey

4 Series Gran Coupe i M Sport 5dr

WC1E 7DP London, London

A bit pricey

Estimated price £35,739

WC1E 7DP London, London

Visit Carsite.co.uk

Dealer

Used (2020) BMW 420 M Sport 187 HP | A bit pricey

4 Series Gran Coupe d [190] xDrive

A bit pricey

Estimated price £17,959

Delivered to you

Visit Buyacar

Dealer

New (2024) BMW 420 M Sport 180 HP | A bit pricey

4 Series Gran Coupe i M Sport 5dr

A bit pricey

Estimated price £45,488

Delivered to you

Visit Buyacar

Dealer

Used (2024) BMW 420 M Sport 184 HP | Expensive

4 Series i M Sport 2dr Step Auto

WC1E 7DP London, London

Expensive

Estimated price £39,016

WC1E 7DP London, London

Visit Carsite.co.uk

Dealer

New (2024) BMW 420 M Sport 180 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £45,488

Delivered to you

Visit Buyacar

Dealer

New (2024) BMW 420 M Sport 180 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £45,488

Delivered to you

Visit Buyacar

Dealer

New (2024) BMW 420 M Sport 180 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £45,488

Delivered to you

Visit Buyacar

Dealer

New (2024) BMW 420 M Sport 180 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £45,488

Delivered to you

Visit Buyacar

Dealer

New (2024) BMW 420 M Sport 180 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £45,488

Delivered to you

Visit Buyacar

Dealer

New (2024) BMW 420 M Sport 180 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £45,488

Delivered to you

Visit Buyacar

Featured deals

heycar

Audi A5 40 TFSI 204 S Line 2dr S Tronic

£27,500

Fair price

Estimated price £27,353

TW89BQ Brentford, London

154 g CO2/km comb. - 201 HP (147 kW)

heycar

Audi A5 COUPE (2 DR) 35 TFSI Sport 2dr S Tronic

£24,513

Super price

You save £4,287

DA51BZ Bexley, London

35 g CO2/km comb. - 150 HP (110 kW) - 45.6 Mpg

Carwow

VW Arteon 1.4 TSI 13kWh R-Line Fastback 5dr Petrol Plug-in Hybrid DSG Euro 6 (s/s) (218 ps) Panoramic Hatchback

£23,500

Super price

You save £2,700

SW170HB, London

30 g CO2/km comb. - 218 HP (160 kW) - 1.3 Mpg

heycar

VW Arteon 2.0 TSI R-Line 5dr DSG

£20,323

Fair price

You save £1,177

DA51BZ Bexley, London

190 HP (139 kW)

heycar

Audi A5 -2.0 TFSI 150 S line 4dr Tronic

£35,400

Super price

You save £4,900

CB223AY Cambridge, Cambridgeshire

154 g CO2/km comb. - 150 HP (110 kW) - 6.8 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 5dr

£3,249

Good price

You save £651

PE134AX, Cambridgeshire

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Fiat Panda -1.2 Easy 5dr

£3,290

Super price

You save £2,510

NG95JW, Nottinghamshire

132 g CO2/km comb. - 69 HP (50 kW) - 5.6 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,380

Super price

You save £1,620

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

Carwow

Renault Zoe -65kW Dynamique Intens 5dr Auto

£3,485

Good price

You save £715

DE12BU, Derbyshire

0 g CO2/km comb. - 64 kW (88 HP)

Carwow

Citroën C1 -1.0 VTi Touch 3dr

£3,495

Good price

You save £1,005

BB44BG, Lancashire

95 g CO2/km comb. - 68 HP (50 kW) - 4.1 Mpg

Carwow

Fiat 500 1.2 Lounge 3dr [Start Stop]

£3,655

Good price

You save £945

PO144AY, Hampshire

111 g CO2/km comb. - 69 HP (50 kW) - 60.0 Mpg

heycar

BMW 420 4 Series i M Sport 2dr Step Auto

£27,995

Good price

You save £2,305

WC1E 7DP London, London

152 g CO2/km comb. - 181 HP (133 kW) - 42.2 Mpg

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£26,995

Super price

You save £3,805

DA145BZ, London

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

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£25,800

Good price

You save £2,600

SW170HB, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr Auto [Professional Media]

£18,200

Fair price

Estimated price £17,871

N111GN Barnet, London

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

Carwow

BMW 420 - 4 Series i Sport 2dr Auto [Business Media]

£12,850

Fair price

You save £250

N111GN Barnet, London

178 g CO2/km comb. - 184 HP (135 kW) - 7.4 Mpg

Carwow

BMW 420 - 4 Series d [190] M Sport 2dr Auto [Professional Media]

£15,000

Super price

You save £2,300

N111GN Barnet, London

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

Carwow

BMW 420 4 Series d [190] M Sport 2dr Auto [Professional Media]

£14,268

Super price

You save £2,632

BR67QR Kent, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr [Professional Media]

£12,180

Good price

You save £1,020

BR67QR Kent, London

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

Dealer

Used (2024) BMW 420 M Sport 181 HP | Not evaluated

4 Series Gran Coupe i M Sport 5dr

Used (2025) BMW 420 M Sport 180 HP | Not evaluated

4 Series i M Sport 2dr Step

Used (2024) BMW 420 M Sport 180 HP | Not evaluated

4 Series Gran Coupe i M Sport 5dr

Used (2025) BMW 420 M Sport 180 HP | Not evaluated

4 Series Gran Coupe i M Sport 5dr

WC1E 7DP London, London

Rare vehicle

WC1E 7DP London, London

Visit Honestjohn

Dealer

Used (2017) BMW 420 M Sport 180 HP | Not evaluated

4 Series Gran Coupe i M Sport 5dr

Featured deals

heycar

Audi A5 -2.0 TFSI 150 S line 4dr Tronic

£35,400

Super price

You save £4,900

CB223AY Cambridge, Cambridgeshire

154 g CO2/km comb. - 150 HP (110 kW) - 6.8 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 5dr

£3,249

Good price

You save £651

PE134AX, Cambridgeshire

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Fiat Panda -1.2 Easy 5dr

£3,290

Super price

You save £2,510

NG95JW, Nottinghamshire

132 g CO2/km comb. - 69 HP (50 kW) - 5.6 Mpg

Carwow

Ford Fiesta -1.0 EcoBoost Zetec 3dr

£3,380

Super price

You save £1,620

RM70JJ, London

99 g CO2/km comb. - 101 HP (74 kW) - 4.3 Mpg

Carwow

Peugeot 3008 -1.6 HDi Active 5dr

£3,480

Super price

You save £1,320

RM70JJ, London

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

Carwow

Renault Zoe -65kW Dynamique Intens 5dr Auto

£3,485

Good price

You save £715

DE12BU, Derbyshire

0 g CO2/km comb. - 64 kW (88 HP)

Carwow

Citroën C1 -1.0 VTi Touch 3dr

£3,495

Good price

You save £1,005

BB44BG, Lancashire

95 g CO2/km comb. - 68 HP (50 kW) - 4.1 Mpg

Carwow

Fiat 500 1.2 Lounge 3dr [Start Stop]

£3,655

Good price

You save £945

PO144AY, Hampshire

111 g CO2/km comb. - 69 HP (50 kW) - 60.0 Mpg

heycar

BMW 420 4 Series i M Sport 2dr Step Auto

£27,995

Good price

You save £2,305

WC1E 7DP London, London

152 g CO2/km comb. - 181 HP (133 kW) - 42.2 Mpg

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£26,995

Super price

You save £3,805

DA145BZ, London

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

Carwow

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

£25,800

Good price

You save £2,600

SW170HB, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr Auto [Professional Media]

£18,200

Fair price

Estimated price £17,871

N111GN Barnet, London

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

Carwow

BMW 420 - 4 Series i Sport 2dr Auto [Business Media]

£12,850

Fair price

You save £250

N111GN Barnet, London

178 g CO2/km comb. - 184 HP (135 kW) - 7.4 Mpg

Carwow

BMW 420 - 4 Series d [190] M Sport 2dr Auto [Professional Media]

£15,000

Super price

You save £2,300

N111GN Barnet, London

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

Carwow

BMW 420 4 Series d [190] M Sport 2dr Auto [Professional Media]

£14,268

Super price

You save £2,632

BR67QR Kent, London

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

Carwow

BMW 420 - 4 Series Gran Coupe d [190] M Sport 5dr [Professional Media]

£12,180

Good price

You save £1,020

BR67QR Kent, London

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

heycar

Audi A5 40 TFSI 204 S Line 2dr S Tronic

£27,500

Fair price

Estimated price £27,353

TW89BQ Brentford, London

154 g CO2/km comb. - 201 HP (147 kW)

heycar

Audi A5 COUPE (2 DR) 35 TFSI Sport 2dr S Tronic

£24,513

Super price

You save £4,287

DA51BZ Bexley, London

35 g CO2/km comb. - 150 HP (110 kW) - 45.6 Mpg

Carwow

VW Arteon 1.4 TSI 13kWh R-Line Fastback 5dr Petrol Plug-in Hybrid DSG Euro 6 (s/s) (218 ps) Panoramic Hatchback

£23,500

Super price

You save £2,700

SW170HB, London

30 g CO2/km comb. - 218 HP (160 kW) - 1.3 Mpg

heycar

VW Arteon 2.0 TSI R-Line 5dr DSG

£20,323

Fair price

You save £1,177

DA51BZ Bexley, London

190 HP (139 kW)