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2023 BMW 420 • Compare 78 used cars with valuation

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Carwow

2022

(2022) BMW 420 M Sport 184 HP

£26,950

Fair price

You save £1,250

NE36 0BQ West Boldon, Tyne And Wear

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

Carwow

2023

(2023) BMW 420 M Sport 184 HP

£32,025

Fair price

You save £975

YO304WR, North Yorkshire

154 g CO2/km comb. - 184 HP (135 kW) - 40.0 Mpg

Carwow

2025

(2025) BMW 420 M Sport 184 HP

£34,996

Super price

You save £4,004

YO304WR, North Yorkshire

144 g CO2/km comb. - 184 HP (135 kW) - 44.8 Mpg

Carwow

2023

(2023) BMW 420 M Sport 184 HP

£30,504

Good price

You save £1,996

WC1E 7DP Greater London, London

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

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Used (2023) BMW 420 M Sport 181 HP | A bit pricey

4 Series i M Sport Convertible 2.0

2023
44,022 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

A bit pricey

£31,924

Bmw.co.uk

NE36 0BQ West Boldon, Tyne And Wear

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-2%

1 / 4

Used (2023) BMW 420 M Sport 181 HP | Expensive

4 Series i M Sport Pro Edition

2023
32,588 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

Expensive

£34,000

£34,990

Bmw.co.uk

WV2 West Midlands, West Midlands

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-8%

1 / 4

Used (2023) BMW 420 M Sport 181 HP | Expensive

4 Series i M Sport Convertible 2.0

2023
13,964 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

Expensive

£36,555

£39,999

Buyacar

Delivered to you

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-5%

1 / 4

Used (2023) BMW 420 M Sport 181 HP | Expensive

4 Series i M Sport Coupe 2.0

2023
17,332 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 152 g CO2/km comb.
42.2 mpg
Details

Expensive

£34,000

£35,790

Bmw.co.uk

SL5 0EX Ascot, Berkshire

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Carwow

2022

(2022) BMW 420 M Sport 190 HP

£27,718

Fair price

Estimated price £26,589

RH1 5EP Salfords, Surrey

122 g CO2/km comb. - 190 HP (139 kW) - 57.6 Mpg

Carwow

2022

(2022) BMW 420 M Sport 190 HP

£24,950

Fair price

Estimated price £24,947

N11 1GN Greater London, London

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

Carwow

2022

(2022) BMW 420 M Sport 190 HP

£22,390

Fair price

You save £410

DA27RB

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

Carwow

2022

(2022) BMW 420 M Sport 184 HP

£23,795

Fair price

You save £905

W2 2UH Greater London, London

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

1 / 4

Used (2023) BMW 420 M Sport | Expensive

4 Series i M Sport 5dr Step

2023
5,535 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Expensive

£33,995

Motors.co.uk

BT12 6HU Belfast

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1 / 4

Used (2023) BMW 420 M Sport 181 HP | Expensive

4 Series i M Sport Convertible 2.0

2023
14,000 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

Expensive

£36,750

Bmw.co.uk

CV5 8NA West Midlands, West Midlands

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New

1 / 4

Used (2023) BMW 420 Comfort Edition

4 Series Gran Coupe i xDrive

2023
81,000 miles
Trim level: Comfort Edition
2.0L Petrol
Coupe
Automatic
Details

£13,497

Not evaluated

Motors.co.uk

RM7 8BU Greater London, London

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-3%

1 / 4

Used (2023) BMW 420 M Sport 162 HP | Rare vehicle

4 Series i M Sport 5dr Step

2023
15,945 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
162 HP (119 kW)
Details

£30,995

£31,995

Rare vehicle

Buyacar

Delivered to you

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New

Used (2023) BMW 420 M Sport 181 HP

4 Series i M Sport Pro Edition

2023
9,252 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

£41,000

Not evaluated

Bmw.co.uk

B68 8DA West Midlands, West Midlands

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Used (2023) BMW 420 M Sport 181 HP

4 Series i M Sport Pro Edition

2023
20,957 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

£38,500

Not evaluated

Bmw.co.uk

S9 2RQ South Yorkshire, South Yorkshire

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Carwow Leasing

2025

(2025) BMW 420 M Sport 184 HP

£48,330

Fair price

You save £270

PE21 7PQ Lincolnshire, Lincolnshire

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

Carwow

2022

(2022) BMW 420 M Sport 190 HP

£24,940

Fair price

Estimated price £24,446

RH10 1TN West Sussex, West Sussex

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

Carwow Leasing

2025

(2025) BMW 420 M Sport 184 HP

£50,042

Fair price

Estimated price £48,610

HG3 1LG Pannal, North Yorkshire

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

Carwow Leasing

2025

(2025) BMW 420 M Sport 184 HP

£47,267

Fair price

You save £1,333

IP31 1SX Fornham Saint Martin, Suffolk

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

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