(M Sport) BMW 420 used • 1,322 cars for sale – Compares prices!

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 £2,705

CB236EF Cambridge, Cambridgeshire

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 Gran Coupe i M Sport 5dr

GU146TL Farnborough, Hampshire

Good price

You save £1,510

GU146TL Farnborough, Hampshire

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 Gran Coupe i M Sport 5dr

SN58WG Swindon, Wiltshire

Good price

You save £1,520

SN58WG Swindon, Wiltshire

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 188 HP | Super price

4 Series d xDrive MHT M Sport 2dr

TN23UY Tunbridge Wells, Kent

Super price

You save £3,105

TN23UY Tunbridge Wells, Kent

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 Gran Coupe i M Sport 5dr

IP16JZ Ipswich, Suffolk

Good price

You save £1,405

IP16JZ Ipswich, Suffolk

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 (2022) BMW 420 M Sport 188 HP | Good price

4 Series d MHT M Sport 2dr Step

Good price

You save £2,000

DD23XH Dundee

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 d [190] xDrive M Sport

WS118XR, Staffordshire

Good price

You save £1,545

WS118XR, 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

DN24SR, South Yorkshire

Good price

You save £1,417

DN24SR, South Yorkshire

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

Featured deals

heycar

£17,495

Fair price

Estimated price £16,737

DD23XH Dundee

188 HP (138 kW)

Carwow

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

£18,497

Fair price

Estimated price £18,158

NE297TE Newcastle, Tyne and Wear

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

Carwow

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

£18,249

Super price

You save £4,051

SA79AG

169 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow

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

£16,899

Good price

You save £1,301

CV65QS Coventry, West Midlands

170 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

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 190 HP | Good price

4 Series d MHT M Sport 2dr Step

Good price

You save £1,941

TA66DD, Somerset

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

YO304WR, North Yorkshire

Super price

You save £3,877

YO304WR, North Yorkshire

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

WD33RT Watford, Hertfordshire

Super price

You save £3,200

WD33RT Watford, Hertfordshire

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 M Sport 2dr Auto

CV65QS Coventry, West Midlands

Good price

You save £1,301

CV65QS Coventry, West Midlands

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 Gran Coupe d [190] M

BD21EY Bradford, West Yorkshire

Super price

You save £2,949

BD21EY Bradford, West Yorkshire

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 2dr

Super price

You save £4,501

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 M Sport

Good price

You save £1,701

CW73AL, Cheshire

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 COUPE i M Sport 2dr Auto

Super price

You save £3,001

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

PE29FT, Cambridgeshire

Super price

You save £3,001

PE29FT, Cambridgeshire

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

BB13NU Blackburn, Lancashire

Super price

You save £3,480

BB13NU Blackburn, Lancashire

BMW 420 4 SERIES COUPE i M Sport 2dr Auto [Professional Media] [Sun protection glass, 19" Alloy Wheels, Navigation System, Parking Sensors, Leather Trim]

Featured deals

Carwow

£20,699

Super price

You save £3,001

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

170 g CO2/km comb. - 184 HP (135 kW) - 46.3 Mpg

Carwow

£16,951

Super price

You save £2,949

BD21EY Bradford, West Yorkshire

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

Carwow

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

£17,900

Super price

You save £3,500

NP235SD, Powys

156 g CO2/km comb. - 190 HP (139 kW) - 5.9 Mpg

Carwow

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

£18,799

Fair price

You save £701

CW73AL, Cheshire

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

LE103DJ Hinckley, Leicestershire

Super price

You save £4,705

LE103DJ Hinckley, Leicestershire

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 2dr Step Auto

WC1E 7DP London, London

Super price

You save £3,362

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

- 4 Series Gran Coupe i xDrive M

Super price

You save £2,180

E65LU, 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

S47WW, South Yorkshire

Super price

You save £3,861

S47WW, South 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

Super price

You save £4,051

SA79AG