London: BMW 420 used – 206 cars for sale near you

BMW 420 - 4 Series Gran Coupe i M Sport Pro Edition 5dr Step Auto

135 g CO2/km comb. - 190 HP (139 kW) - 54.3 Mpg

Carwow

£29,340

Super price

You save £5,360

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

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

Carwow

£34,755

Super price

You save £5,245

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

- 4 Series Gran Coupe i M Sport

Super price

You save £4,150

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2024) BMW 420 M Sport 184 HP | Super price

- 4 Series Gran Coupe i M Sport

Super price

You save £5,360

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

- 4 Series Convertible d [190] M

Super price

You save £4,139

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

- 4 Series Convertible d [190] M

Good price

You save £1,488

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

4 Series d M Sport Convertible 2.0

Super price

You save £3,507

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

- 4 Series Gran Coupe i M Sport

Super price

You save £5,245

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

- 4 Series Gran Coupe i M Sport

Super price

You save £3,834

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2014) BMW 420 Sport Line 184 HP | Good price

- 4 Series i xDrive Sport 2dr

Good price

You save £1,124

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

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

- 4 Series Gran Coupe i M Sport

E47PX Chingford, London

Super price

You save £4,851

E47PX Chingford, London

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) BMW 420 M Sport 184 HP | Good price

- 4 Series Gran Coupe i M Sport

Good price

You save £3,334

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

Featured deals

Carwow

£27,841

Fair price

You save £759

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

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

Carwow

Photos coming soon

£47,544

Good price

You save £2,756

SE186SR Woolwich, London

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

Carwow

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

£23,605

Fair price

You save £395

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

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

Carwow

Photos coming soon

£46,966

Good price

You save £3,334

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

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

New (2025) BMW 420 M Sport 184 HP | Good price

- 4 Series Gran Coupe i M Sport

SE186SR Woolwich, London

Good price

You save £2,756

SE186SR Woolwich, London

Used (2021) BMW 420 M Sport 188 HP | Super price

4 Series Convertible d MHT M Sport

Super price

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

4 Series i M Sport 5dr Step

Super price

You save £4,627

Visit Motors.co.uk

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

4 Series i M Sport 5dr Step

Super price

You save £5,442

Visit Carsite.co.uk

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

4 Series i M Sport 5dr Step

Super price

You save £4,648

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

4 Series i M Sport 2dr Step

Super price

You save £4,894

Visit Motors.co.uk

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

4 Series Gran Coupe i M Sport 5dr

Super price

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

4 Series i M Sport 2dr Step Auto

Super price

You save £6,312

Visit Carsite.co.uk

LN6 3AG Lincoln, Lincolnshire

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

4 Series Convertible i M Sport 2dr

Super price

You save £3,922

LN6 3AG Lincoln, Lincolnshire

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

4 Series i M Sport 2dr Step Auto -

Super price

You save £4,605

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

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Carwow

£19,200

Fair price

Estimated price £18,933

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

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

Carwow

£19,428

Fair price

Estimated price £18,299

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

158 g CO2/km comb. - 190 HP (139 kW) - 6.0 Mpg

Carwow

Photos coming soon

£51,461

Fair price

Estimated price £50,293

BR12NE Bromley, London

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

Carwow

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£49,934

Fair price

You save £366

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

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

4 Series Convertible i M Sport 2dr

Good price

You save £1,850

RM12 4EU Hornchurch, London

Used (2014) BMW 420 Sport Line | Good price

4 Series d Sport 2dr Auto

Good price

You save £910

RM12 4EU Hornchurch, London

Visit Motors.co.uk

BS10 7TU BRISTOL, Gloucestershire

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

4 Series i M Sport Convertible 2.0

Super price

You save £3,600

BS10 7TU BRISTOL, Gloucestershire

Visit Bmw.co.uk

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

4 Series Gran Coupe i M Sport 5dr

Super price

You save £4,200

Visit Carsite.co.uk

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

4 Series Gran Coupe i M Sport 5dr

Super price

You save £4,405

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Featured deals

Carwow

£50,175

Fair price

You save £125

BR12NE Bromley, London

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

Carwow

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

£13,050

Fair price

Estimated price £12,711

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

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

Carwow

£11,795

Fair price

Estimated price £11,125

UB100LJ, London

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

Carwow

BMW 420 - 4 Series i xDrive Sport 2dr Auto

£10,976

Good price

You save £1,124