BMW 420 (M Sport) • 34 cars with analysis

Market overview: Market price for BMW 420 (M Sport): The average price is £36,554, ranging from £30,600 to £50,994. Among 34 cars with the M Sport trim, AutoUncle identified 9 good deals listed below market value.

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M Sport

(2025) BMW 420 M Sport 184 HP

£37,490

Fair price

Estimated price £36,896

SO53 3YU Cross Rise, Hampshire

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

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M Sport

(2025) BMW 420 M Sport 184 HP

£35,890

Super price

You save £3,410

CT2 7PX Kent, Kent

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

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M Sport

(2023) BMW 420 M Sport 184 HP

£31,186

Fair price

You save £1,414

NE36 0BQ West Boldon, Tyne And Wear

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

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M Sport

(2023) BMW 420 M Sport 184 HP

£29,692

Fair price

Estimated price £28,555

SO53 3YU Cross Rise, Hampshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-27%

1 / 3

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

4 Series 2.0 i M Sport Coupe 2dr

2024
13,895 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 144 g CO2/km comb.
mpg: 44.8
Details

Super price

£30,600

£42,000

Honestjohn

AB12 3EW Aberdeen, Aberdeen

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New

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
4,261 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 152 g CO2/km comb.
mpg: 42.2
Details

Good price

£34,495

Bmw.co.uk

DA14 5BG Sidcup, London

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1 / 4

Used (2024) BMW 420 M Sport 184 HP | Super price

4 Series Gran Coupe i M Sport 5dr

Aug 2024
8,371 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Super price

£34,450

£34,490

Honestjohn

WC1E 7DP Greater London, London

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1 / 4

Used (2024) BMW 420 M Sport 184 HP | Super price

4 Series Gran Coupe i M Sport 5dr

Jun 2024
16,768 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Super price

£33,050

£33,140

Buyacar

Delivered to you

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M Sport

(2025) BMW 420 M Sport 184 HP

£46,117

Good price

You save £3,283

RH10 1TN West Sussex, West Sussex

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

Carwow Leasing

M Sport

(2025) BMW 420 M Sport 184 HP

£48,357

Fair price

You save £1,043

OX28JP Oxfordshire, Oxfordshire

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

Carwow Leasing

M Sport

(2025) BMW 420 M Sport 184 HP

£46,899

Good price

You save £2,501

RH10 1TN West Sussex, West Sussex

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

Carwow Leasing

M Sport

(2025) BMW 420 M Sport 184 HP

£49,751

Fair price

Estimated price £49,411

RH10 1TN West Sussex, West Sussex

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

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
32,054 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 152 g CO2/km comb.
mpg: 42.2
Details

Good price

£31,450

Bmw.co.uk

CV34 8DD Warwickshire, Warwickshire

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-3%

1 / 4

Used (2024) BMW 420 M Sport 184 HP | Super price

4 Series Gran Coupe i M Sport 5dr

Jul 2024
10,055 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Super price

£31,790

£32,895

Dealer

WC1E 7DP Greater London, London

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Used (2024) BMW 420 M Sport 184 HP | Good price

4 Series Gran Coupe 2.0 i M Sport

2024
39,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Good price

£29,499

Motors.co.uk

SK1 4AQ Greater Manchester, Manchester

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New

Used (2024) BMW 420 M Sport 184 HP | Super price

4 Series SERIES i M Sport 5dr Step

2024
16,993 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Super price

£31,291

Honestjohn

WC1E 7DP Greater London, London

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Used (2024) BMW 420 M Sport | Good price

4 Series i M Sport 2dr Step Auto

2024
16,500 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Good price

£31,500

Exchange and Mart

Somerset, Somerset

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-1%

1 / 4

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

4 Series i M Sport Pro Edition

2024
3,608 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 151 g CO2/km comb.
mpg: 42.2
Details

Fair price

£35,495

£35,995

Bmw.co.uk

RH10 1TN West Sussex, West Sussex

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M Sport

(2023) BMW 420 M Sport 184 HP

£25,799

Good price

You save £2,301

E4 7PX Greater London, London

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

Carwow

M Sport

(2022) BMW 420 M Sport 184 HP

£24,927

Fair price

You save £373

YO304WR, North Yorkshire

154 g CO2/km comb. - 184 HP (135 kW) - 41.5 Mpg

Carwow

M Sport

(2023) BMW 420 M Sport 184 HP

£28,993

Fair price

Estimated price £28,719

SO53 3YU Cross Rise, Hampshire

151 g CO2/km comb. - 184 HP (135 kW) - 42.8 Mpg

Carwow

M Sport

(2023) BMW 420 M Sport 184 HP

£22,990

Fair price

You save £310

DL1 2LD Darlington, Durham

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

-1%

1 / 3

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

4 Series i M Sport Coupe 2.0

2024
10,612 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 40.4
Details

Fair price

£34,999

£35,399

Bmw.co.uk

PR8 5JF Scarisbrick, Lancashire

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New

1 / 4

Used (2024) BMW 420 M Sport | Fair price

4 Series i M Sport 5dr Step

2024
21,145 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£32,950

Motors.co.uk

NE2 4LE Tyne And Wear, Tyne And Wear

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-1%

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
6,759 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 144 g CO2/km comb.
mpg: 44.1
Details

Fair price

£33,885

£34,485

Bmw.co.uk

L3 7HT Merseyside, Merseyside

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1 / 4

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

4 Series i M Sport Coupe 2.0

2024
16,521 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 151 g CO2/km comb.
mpg: 42.8
Details

Fair price

£33,000

Bmw.co.uk

CF11 8TT Cardiff, South Glamorgan

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1 / 3

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

4 Series i xDrive M Sport Coupe

2024
12,737 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 40.4
Details

Fair price

£35,950

Bmw.co.uk

HG3 1LG Pannal, North Yorkshire

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-6%

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
9,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 146 g CO2/km comb.
mpg: 44.1
Details

Fair price

£34,485

£36,985

Bmw.co.uk

M41 7GF Stretford, Manchester

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1 / 4

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

4 Series i M Sport Coupe 2.0

2024
10,414 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 151 g CO2/km comb.
mpg: 42.2
Details

Fair price

£36,000

Bmw.co.uk

SG1 2BE Hertfordshire, Hertfordshire

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1 / 4

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

4 Series i M Sport Coupe 2.0

2024
8,598 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 40.4
Details

Fair price

£35,950

Motors.co.uk

BT52 2DZ Causeway Coast And Glens

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-25%

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
7,614 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 146 g CO2/km comb.
mpg: 44.1
Details

Fair price

£34,990

£46,990

Bmw.co.uk

BL3 2NB Greater Manchester, Manchester

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-3%

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
17,600 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 145 g CO2/km comb.
mpg: 44.1
Details

Fair price

£32,811

£33,900

Bmw.co.uk

UB7 8JU Greater London, London

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M Sport

(2025) BMW 220 M Sport 184 HP

£39,489

Fair price

You save £111

RH10 1TN West Sussex, West Sussex

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow

M Sport

(2026) BMW 220 M Sport 184 HP

£31,490

Good price

You save £2,710

B65 0LP West Midlands, West Midlands

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow Leasing

M Sport

(2026) BMW 220 M Sport 184 HP

£39,861

Fair price

Estimated price £39,595

RG27 9RW Hampshire, Hampshire

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow Leasing

M Sport

(2026) BMW 220 M Sport 184 HP

£36,450

Good price

You save £3,150

RH1 5EG Salfords, Surrey

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

1 / 4

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

4 Series i xDrive M Sport Coupe

2024
28,305 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 40.4
Details

Fair price

£34,690

Bmw.co.uk

S9 2RQ South Yorkshire, South Yorkshire

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-1%

1 / 4

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

4 Series i M Sport Coupe 2.0

2024
5,733 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 157 g CO2/km comb.
mpg: 40.9
Details

Fair price

£34,940

£35,480

Bmw.co.uk

BB1 3NU Blackburn, Lancashire

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1 / 4

Used (2024) BMW 420 M Sport | Fair price

4 Series i M Sport 5dr Step

2024
17,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£33,990

£32,990

Motors.co.uk

BT71 7DU Mid Ulster

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1 / 4

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

4 Series 2.0 i M Sport Coupe 2dr

2024
12,388 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 146 g CO2/km comb.
mpg: 44.1
Details

Fair price

£35,995

£36,295

Bmw.co.uk

G4 0HP Glasgow City, Glasgow

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1 / 4

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

4 Series i xDrive M Sport Coupe

2024
12,628 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 40.4
Details

Fair price

£35,290

Bmw.co.uk

S41 9BU Derbyshire, Derbyshire

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M Sport

(2025) BMW 220 M Sport 184 HP

£39,995

Fair price

You save £205

B78 3HG Staffordshire, Staffordshire

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow Leasing

M Sport

(2025) BMW 220 M Sport 184 HP

£38,455

Good price

You save £1,745

B78 3HG Staffordshire, Staffordshire

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow Leasing

M Sport

(2026) BMW 220 M Sport 184 HP

£39,507

Fair price

You save £93

GU1 1RD Surrey, Surrey

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow

M Sport

(2025) BMW 220 M Sport 184 HP

£33,694

Fair price

You save £106

WC1E 7DP Greater London, London

146 g CO2/km comb. - 184 HP (135 kW) - 44.0 Mpg

Showing 1 - 25 of 34 results

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Good price

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See BMW 420

BMW 420 (1000+)