(petrol) BMW 420 used • 741 cars for sale

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 184 HP | Good price

4 Series i M Sport 5dr Step Auto -

CB236EF Cambridge, Cambridgeshire

Good price

You save £2,205

CB236EF Cambridge, Cambridgeshire

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 181 HP | Good price

4 Series i M Sport 2dr Step

Good price

You save £2,100

AB123EW Aberdeen

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

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

4 Series Gran Coupe i M Sport 5dr

Good price

You save £2,609

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 181 HP | Good price

4 Series i M Sport Coupe 2.0

Good price

You save £1,650

DD23XH Dundee

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 £1,917

TN23UE, Kent

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 COUPE i M Sport 2dr Auto

M41 7TB Trafford Park, Manchester

Good price

You save £2,501

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

- 4 Series Gran Coupe i xDrive

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 | Good price

4 Series i M Sport 2dr Step Auto

WC1E 7DP London, London

Good price

You save £3,096

WC1E 7DP London, London

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 i M Sport Pro Edition

Super price

You save £4,072

PO35FF, Hampshire

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

Featured deals

heycar

£28,095

Fair price

You save £1,205

BMW 420 4 Series i M Sport Coupe 2.0 2dr

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

heycar

£27,250

Good price

You save £1,650

DD23XH Dundee

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

heycar

BMW 420 4 Series i M Sport 2dr Step Auto

£26,200

Good price

You save £2,100

AB123EW Aberdeen

181 HP (133 kW)

heycar

BMW 420 4 Series i M Sport Pro Edition 2dr Step Auto

£23,625

Fair price

Estimated price £23,362

LS197BZ Rawdon, West Yorkshire

181 HP (133 kW)

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

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

- 4 Series i xDrive Sport 2dr Auto

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 Gran Coupe i M Sport

Super price

You save £5,705

BH104HZ, Dorset

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

EN88DY, Hertfordshire

Super price

You save £2,900

EN88DY, Hertfordshire

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 | Good price

- 4 Series Gran Coupe i xDrive M

WS111SL, Staffordshire

Good price

You save £1,800

WS111SL, Staffordshire

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

MK150DQ Milton Keynes, Buckinghamshire

Good price

You save £2,868

MK150DQ Milton Keynes, Buckinghamshire

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 i M Sport 2dr Step

Super price

You save £4,981

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 £7,016

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 £5,924

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

WF29BE Wakefield, West Yorkshire

Good price

You save £3,106

WF29BE Wakefield, 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 Gran Coupe i M Sport

Super price

You save £5,399

BR67QR Kent, London

BMW 420 4 Series i M Sport 2dr Step Auto

Featured deals

heycar

£27,357

Fair price

You save £743

RG142AB Newbury, Berkshire

184 HP (135 kW) - 44.1 Mpg

heycar

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

£31,991

Good price

You save £2,609

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

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

heycar

£27,421

Fair price

You save £979

BMW 420 4 Series i M Sport Convertible 2.0 2dr

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

heycar

£32,990

Fair price

Estimated price £32,735

SN12 6GN, Wiltshire

154 g CO2/km comb. - 192 HP (141 kW) - 41.5 Mpg

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 | Good price

- 4 Series Gran Coupe i M Sport

Good price

You save £2,189

BR67QR Kent, 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

HU91TQ, East Yorkshire

Good price

You save £2,792

HU91TQ, East Yorkshire

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

BB126EH Burnley, Lancashire

Super price

You save £3,151

BB126EH Burnley, Lancashire

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 i M Sport Pro Edition

CV378NW, Warwickshire

Super price

You save £3,905

CV378NW, 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 i M Sport 2dr Auto

PE46ZL, Cambridgeshire

Super price

You save £3,420

PE46ZL, Cambridgeshire