(petrol) BMW 420 used • 905 cars for sale

BMW 420 4 Series i M Sport 5dr Step Auto [Pro Pack] Petrol Hatchback

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

Carwow

£36,161

Super price

You save £5,939

TA66DD, Somerset

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

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BMW 420 4 Series i M Sport 5dr Step Auto [Pro Pack] Petrol Hatchback

£36,211

Super price

You save £5,889

DH11HP, Durham

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

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Fair price

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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 xDrive M

SY13LD Fareham, Shropshire

Super price

You save £4,143

SY13LD Fareham, Shropshire

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

LS270TS, West Yorkshire

Super price

You save £3,900

LS270TS, West Yorkshire

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 i M Sport 5dr Step Auto

Super price

You save £5,939

TA66DD, Somerset

TS183RB Preston Farm Industrial Estate, Durham

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 5dr

Super price

You save £4,533

TS183RB Preston Farm Industrial Estate, Durham

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 5dr

Super price

You save £5,534

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

N111GN Barnet, London

Super price

You save £3,850

N111GN Barnet, London

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 £3,745

E65LU, London

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 £5,161

BR67QR Kent, London

M41 7TB Trafford Park, Manchester

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 184 HP | Super price

4 SERIES GRAN COUPE i M Sport 5dr

Super price

You save £4,001

M41 7TB Trafford Park, Manchester

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 184 HP | Good price

- 4 Series i xDrive M Sport 2dr

Good price

You save £1,901

CW73AL, Cheshire

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

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Carwow

£35,849

Super price

You save £4,851

E47PX Chingford, London

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

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

£33,790

Super price

You save £6,210

CT27PX Canterbury, Kent

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

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

£31,766

Super price

You save £5,534

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

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

Carwow

£48,946

Fair price

You save £1,354

RH101TN, West Sussex

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.

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

4 Series i M Sport Coupe 2.0

CT2 7PX Canterbury, Kent

Super price

You save £3,610

CT2 7PX Canterbury, Kent

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

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

- 4 Series Gran Coupe i Sport 5dr

Good price

You save £2,101

CW73AL, Cheshire

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 i M Sport 5dr Step Auto

Super price

You save £5,700

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 184 HP | Super price

- 4 Series i M Sport 2dr Auto

WF29SA, West Yorkshire

Super price

You save £2,550

WF29SA, West Yorkshire

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 i M Sport 5dr Step Auto

Super price

You save £5,889

DH11HP, Durham

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 | Super price

- 4 Series Gran Coupe i M Sport

Super price

You save £4,206

RH101TN, West Sussex

BB126EH Burnley, Lancashire

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 £2,701

BB126EH Burnley, Lancashire

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

CT27PX Canterbury, Kent

Super price

You save £6,210

CT27PX Canterbury, Kent

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 £2,566

BA228RT, Somerset

CV364NN Tredington, Warwickshire

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 184 HP | Super price

- 4 Series Convertible i M Sport

Super price

You save £2,930

CV364NN Tredington, Warwickshire

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

£47,544

Good price

You save £2,756

EN11SW London, 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

£46,208

Super price

You save £4,092

MK150DQ Milton Keynes, Buckinghamshire

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

£47,264

Good price

You save £3,036

YO304WR, North Yorkshire

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

£46,094

Super price

You save £4,206

RH101TN, West Sussex

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.

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

- 4 Series Gran Coupe i M Sport

Super price

You save £5,001

CW73AL, Cheshire

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 £3,501

B65SU, West Midlands

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

TS247LD Hartlepool, Durham

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 £3,759

TS247LD Hartlepool, Durham

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 £4,001

BH231EZ, Dorset

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

Featured deals

Carwow

£37,867

Super price

You save £4,533

TS183RB Preston Farm Industrial Estate, Durham

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

£44,800

Super price

You save £5,500

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

Carwow