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BMW 420 (petrol) • 822 cars with Valuation

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Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Cabriolet
Petrol
(2025) BMW 420 M Sport 184 HP
£31,495

Super price

You save £6,105
SO533YU, Hampshire

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Cabriolet
Petrol
(2025) BMW 420 M Sport 184 HP
£30,900

Super price

You save £4,600
CM13BH Chelmsford, Essex

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2022 Black Coupe
Petrol
(2022) BMW 420 M Sport 184 HP
£24,995

Fair price

Estimated price £24,461
S802QD Hinckley, Nottinghamshire

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Cabriolet
Petrol
(2025) BMW 420 M Sport 184 HP
£29,700

Super price

You save £5,200
CM13BH Chelmsford, Essex

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

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

- 4 Series Gran Coupe i M Sport

  • 2025
  • 10 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • mpg: 6.6
  • CO2: 153 g CO2/km comb.
  • Details
autouncle-certified

Good price

£46,117
£45,312
RH101TN, West Sussex
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Availability verified
1 / 4

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

- 4 Series Convertible i M Sport

  • 2025
  • 31,508 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Cabriolet
  • Automatic
  • 184 HP (135 kW)
  • mpg: 6.8
  • CO2: 154 g CO2/km comb.
  • Details
autouncle-certified

Super price

£30,900
£31,150
CM13BH Chelmsford, Essex
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Availability verified
1 / 3

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

- 4 Series Gran Coupe i xDrive M

  • 2021
  • 60,000 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • mpg: 7.8
  • CO2: 178 g CO2/km comb.
  • Details
autouncle-certified

Good price

£17,995
DE737HL, Derbyshire
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Availability verified
1 / 3

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

- 4 Series Gran Coupe i xDrive M

  • 2021
  • 31,174 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • mpg: 7.8
  • CO2: 178 g CO2/km comb.
  • Details
autouncle-certified

Super price

£17,650
£17,500
WD33RT Watford, Hertfordshire
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Availability verified
1 / 4

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

- 4 Series Gran Coupe i M Sport

  • 2021
  • 71,060 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • mpg: 7.3
  • CO2: 169 g CO2/km comb.
  • Details
autouncle-certified

Super price

£13,995
OL104HQ, Manchester
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Availability verified
-5%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2025
  • 6,307 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 44.1
  • CO2: 146 g CO2/km comb.
  • Details
autouncle-certified

Good price

£35,999
£37,999
Motors.co.uk
LL31 9PL Conwy
-25%
1 / 4

Used (2022) BMW 420 M Sport 192 HP | Super price

4 Series i M Sport 2dr Step Auto

  • Jan 2022
  • 19,683 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 192 HP (141 kW)
  • mpg: 44.0
  • CO2: 146 g CO2/km comb.
  • Details
autouncle-certified

Super price

£25,999
£34,990
Bmw.co.uk
ST4 4GU Stoke On Trent, Staffordshire
-3%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2025
  • 4,578 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 40.4
  • CO2: 159 g CO2/km comb.
  • Details
autouncle-certified

Good price

£36,799
£37,999
Motors.co.uk
WA2 8HY Warrington, Cheshire
-4%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2024
  • 3,761 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 42.2
  • CO2: 152 g CO2/km comb.
  • Details
autouncle-certified

Good price

£33,999
£35,499
Bmw.co.uk
LL31 9PL Conwy
-3%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2025
  • 7,058 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 44.1
  • CO2: 147 g CO2/km comb.
  • Details
autouncle-certified

Super price

£36,490
£37,985
Bmw.co.uk
OL11 2PX Rochdale, Manchester

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Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Hatchback
Petrol
(2025) BMW 420 M Sport 184 HP
£37,370

Fair price

You save £730
TA66DD, Somerset

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2024 Grey Hatchback
Petrol
(2024) BMW 420 M Sport 184 HP
£33,915

Super price

You save £4,085
YO304WR, North Yorkshire

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Hatchback
Petrol
(2025) BMW 420 M Sport 184 HP
£40,087

Fair price

Estimated price £39,594
TS183RB, Durham

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 White Coupe
Petrol
(2025) BMW 420 M Sport 184 HP
£36,990

Good price

You save £3,210
CT2 7PX Canterbury, Kent

144 g CO2/km comb. - 184 HP (135 kW) - 44.1 Mpg

-22%
1 / 4

Used (2023) BMW 420 M Sport 181 HP | Good price

4 Series i M Sport Coupe 2.0

  • 2023
  • 38,854 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 42.8
  • CO2: 151 g CO2/km comb.
  • Details
autouncle-certified

Good price

£26,999
£34,999
Motors.co.uk
LL31 9PL Conwy
1 / 4

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

4 Series SERIES i M Sport 5dr Step

  • 2022
  • 37,010 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Automatic
  • 184 HP (135 kW)
  • Details
autouncle-certified

Good price

£26,127
£26,359
Dealer
TA6 4BJ Bridgwater, Somerset
-9%
1 / 4

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

4 Series i M Sport 5dr Step

  • 2025
  • 4,919 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Hatchback
  • Automatic
  • 184 HP (135 kW)
  • mpg: 42.2
  • Details
autouncle-certified

Super price

£36,895
£40,750
Buyacar
Delivered to you
-7%
1 / 4

Used (2022) BMW 420 M Sport | Super price

4 Series i M Sport 2dr Step

  • 2022
  • 53,812 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • Details
autouncle-certified

Super price

£22,800
£24,600
Motors.co.uk
LU6 3EA Dunstable, Bedfordshire
-7%
1 / 4

Used (2022) BMW 420 M Sport | Good price

4 Series i M Sport 2dr Step

  • 2022
  • 37,500 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Automatic
  • Details
autouncle-certified

Good price

£24,995
£26,995
Motors.co.uk
SS8 0EQ Canvey Island, Essex
-17%
1 / 4

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

4 Series Gran Coupe i M Sport 5dr

  • 2025
  • 5,722 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • Details
autouncle-certified

Good price

£36,500
£44,000
Buyacar
Delivered to you
-7%

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

4 Series Gran Coupe i M Sport 5dr

  • 2025
  • 11,658 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • Details
autouncle-certified

Good price

£35,995
£38,995
Buyacar
Delivered to you
-3%
1 / 4

Used (2025) BMW 420 M Sport 180 HP | Good price

4 Series Gran Coupe i M Sport 5dr

  • 2025
  • 9,656 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 180 HP (132 kW)
  • Details
autouncle-certified

Good price

£37,495
£38,995
Buyacar
Delivered to you
-7%
1 / 4

Used (2020) BMW 420 M Sport 184 HP | Super price

4 Series i M Sport 5dr Auto

  • 2020
  • 41,028 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • Details
autouncle-certified

Super price

£16,880
£18,236
Buyacar
Delivered to you
-7%
1 / 4

Used (2015) BMW 420 Comfort Edition 184 HP | Good price

4 Series Gran Coupe 2.0 i SE

  • 2015
  • 40,434 miles
  • Trim level: Comfort Edition
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • Details
autouncle-certified

Good price

£10,700
£11,600
Motors.co.uk
IP1 5QL Ipswich, Suffolk

Featured deals

Verified Dealers

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2021 Coupe
Petrol
(2021) BMW 420 M Sport 184 HP
£17,995

Good price

You save £1,205
DE737HL, Derbyshire

178 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2019 Blue Coupe
Petrol
(2019) BMW 420 M Sport 184 HP
£17,149

Fair price

You save £751
BB126EH Burnley, Lancashire

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

Carwow

Photos coming soon
Photos coming soon
Petrol
(2025) BMW 420 M Sport 184 HP
£46,899

Fair price

You save £1,701
RH101TN, West Sussex

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2021 Coupe
Petrol
(2021) BMW 420 M Sport 184 HP
£16,949

Good price

You save £2,051
SO150LP, Hampshire

178 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

-2%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • Jun 2022
  • 11,239 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 184 HP (135 kW)
  • mpg: 44.1
  • CO2: 146 g CO2/km comb.
  • Details
autouncle-certified

Super price

£27,975
£28,800
Dealer
BN16 3FH Littlehampton, West Sussex
-7%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2025
  • 7,995 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 44.1
  • CO2: 147 g CO2/km comb.
  • Details
autouncle-certified

Super price

£35,995
£38,995
Motors.co.uk
BT12 6HU Belfast
-6%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2025
  • 4,188 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 44.1
  • CO2: 146 g CO2/km comb.
  • Details
autouncle-certified

Good price

£36,799
£39,499
Motors.co.uk
WA2 8HY Warrington, Cheshire
-7%
1 / 4

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

4 Series i M Sport Coupe 2.0

  • 2025
  • 8,069 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 40.4
  • CO2: 159 g CO2/km comb.
  • Details
autouncle-certified

Good price

£36,995
£39,995
Motors.co.uk
BT12 6HU Belfast
-8%
1 / 4

Used (2023) BMW 420 M Sport 181 HP | Super price

4 Series i M Sport Coupe 2.0

  • 2023
  • 10,303 miles
  • Trim level: M Sport
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 181 HP (133 kW)
  • mpg: 44.1
  • CO2: 145 g CO2/km comb.
  • Details
autouncle-certified

Super price

£28,785
£31,300
Bmw.co.uk
EN1 1SW Enfield, London

Featured deals

Verified Dealers

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2021 Coupe
Petrol
(2021) BMW 420 M Sport 184 HP
£17,650

Super price

You save £3,850
WD33RT Watford, Hertfordshire

178 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2020 Blue Coupe
Petrol
(2020) BMW 420 M Sport 184 HP
£18,899

Good price

You save £1,401
SA7 9AG Llansamlet

179 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

Carwow

Photos coming soon
Photos coming soon
Petrol
(2025) BMW 420 M Sport 184 HP
£49,751

Fair price

Estimated price £48,577
RH101TN, West Sussex

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2019 Red Coupe
Petrol
(2019) BMW 420 M Sport 184 HP
£17,149

Fair price

You save £351
NP194SS

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

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