BMW 420 Gran Coupé (M Sport) • 265 cars with analysis

Market overview: Market price for BMW 420 Gran Coupé (M Sport): The average price is £30,512, ranging from £14,995 to £39,810. Among 265 cars with the M Sport trim, AutoUncle identified 34 good deals listed below market value.

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M Sport

(2023) BMW 420 M Sport 184 HP

£28,993

Fair price

Estimated price £28,179

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

£28,599

Fair price

You save £301

CW7 Cheshire West And Chester, Cheshire

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

Carwow

M Sport

(2022) BMW 420 M Sport 190 HP

£26,599

Good price

You save £2,701

NP19 4YR Newport, Gwent

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

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£36,970

Fair price

You save £1,430

TS18 3RB, Durham

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-5%

1 / 4

Used (2018) BMW 420 Gran Coupé M Sport | Good price

4 Series 2.0 D M Sport Auto

2018
48,250 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Good price

£15,990

£16,995

Motors.co.uk

W2 2UH Greater London, London

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-5%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2023
37,985 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£26,499

£27,999

Bmw.co.uk

ST4 4GU Stoke-On-Trent, Staffordshire

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-5%

1 / 3

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

4 Series Gran Coupe i M Sport 2.0

2025
9,240 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£36,999

£38,999

Bmw.co.uk

PR8 5JF Scarisbrick, Lancashire

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-25%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2023
31,255 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£28,825

£38,450

Bmw.co.uk

TA6 6DD Somerset, Somerset

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M Sport

(2026) BMW 420 M Sport 184 HP

£37,890

Good price

You save £2,610

CT27PX

144 g CO2/km comb. - 184 HP (135 kW) - 6.3 Mpg

Carwow

M Sport

(2023) BMW 420 M Sport 192 HP

£32,280

Good price

You save £2,620

NE36 0BQ West Boldon, Tyne And Wear

154 g CO2/km comb. - 192 HP (141 kW) - 40.4 Mpg

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£35,890

Super price

You save £3,210

CT2 7PX Kent, Kent

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

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£36,990

Fair price

Estimated price £36,507

SO53 3YU Cross Rise, Hampshire

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

-24%

1 / 3

Used (2020) BMW 420 Gran Coupé M Sport 181 HP | Good price

i M Sport

Jun 2020
34,344 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 173 g CO2/km comb.
mpg: 37.7
Details

Good price

£18,499

£24,490

Bmw.co.uk

CH1 4LS Chester, Cheshire

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-1%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2023
17,765 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
mpg: 41.5
Details

Good price

£28,660

£28,990

Bmw.co.uk

W1K 7TT Greater London, London

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-16%

1 / 4

Used (2019) BMW 420 Gran Coupé M Sport 187 HP | Good price

4 Series Gran Coupe d M Sport 2.0

2019
52,031 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
CO2 emissions: 126 g CO2/km comb.
mpg: 47.1
Details

Good price

£16,700

£19,950

Bmw.co.uk

GL51 6UP The Reddings, Gloucestershire

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-24%

1 / 4

New (2025) BMW 420 Gran Coupé M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport 2.0

2025
310 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
mpg: 41.5
Details

Good price

£35,650

£47,500

Bmw.co.uk

LE19 Leicestershire, Leicestershire

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-6%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2023
33,169 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£27,480

£29,450

Bmw.co.uk

CM2 5PG Springfield, Essex

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-4%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
2,583 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 153 g CO2/km comb.
mpg: 42.2
Details

Super price

£33,703

£35,372

Bmw.co.uk

PE4 5HW Peterborough, Cambridgeshire

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M Sport

(2022) BMW 420 M Sport 190 HP

£28,116

Fair price

Estimated price £26,993

PE30 Norfolk, Norfolk

131 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow

M Sport

(2025) BMW 420 M Sport 184 HP

£29,300

Super price

You save £5,000

CM1 3BH Essex, Essex

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

Carwow

M Sport

(2026) BMW 420 M Sport 184 HP

£37,483

Super price

You save £3,517

PO35FF

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

Carwow

M Sport

(2021) BMW 420 M Sport 190 HP

£27,141

Fair price

Estimated price £26,191

YO304WR, North Yorkshire

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

-6%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2024
10,055 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
mpg: 41.5
Details

Good price

£30,790

£32,895

Bmw.co.uk

NR5 0JH Norfolk, Norfolk

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-20%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
5,324 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
mpg: 41.5
Details

Super price

£33,850

£42,795

Bmw.co.uk

HD1 6NN West Yorkshire, West Yorkshire

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-6%

1 / 3

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

4 Series Gran Coupe i M Sport 2.0

2025
3,855 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 153 g CO2/km comb.
mpg: 42.2
Details

Good price

£33,799

£35,999

Bmw.co.uk

PR8 5JF Scarisbrick, Lancashire

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-28%

1 / 3

Used (2022) BMW 420 Gran Coupé M Sport 187 HP | Good price

4 Series Gran Coupe d xDrive M

2022
50,568 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
CO2 emissions: 145 g CO2/km comb.
mpg: 51.4
Details

Good price

£27,699

£38,995

Bmw.co.uk

LS12 6EG West Yorkshire, West Yorkshire

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1 / 4

Used (2022) BMW 420 Gran Coupé M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport 2.0

2022
7,710 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£31,139

Bmw.co.uk

EN1 1SW Greater London, London

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-8%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
4,629 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
mpg: 41.5
Details

Good price

£36,795

£39,995

Bmw.co.uk

FK7 7RZ Stirling, Stirling And Falkirk

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-11%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
4,135 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£37,895

£42,995

Bmw.co.uk

CB23 6EF Cambourne, Cambridgeshire

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1 / 4

Used (2022) BMW 420 Gran Coupé M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport 2.0

2022
20,330 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
mpg: 41.5
Details

Good price

£27,223

£27,495

Bmw.co.uk

EN1 1SW Enfield, London

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-19%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
4,298 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
mpg: 41.5
Details

Good price

£34,750

£42,997

Bmw.co.uk

DE21 Derby, Derbyshire

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-19%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2024
16,768 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£31,990

£39,950

Bmw.co.uk

LN6 9UH South Hykeham, Lincolnshire

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M Sport

(2023) BMW 420 M Sport 184 HP

£22,490

Fair price

You save £910

DL1 2LD Darlington, Durham

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

Carwow Leasing

M Sport

(2026) BMW 420 M Sport 184 HP

£44,277

Super price

You save £4,523

W1K 7TT Greater London, London

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

Carwow

M Sport

(2021) BMW 420 M Sport 190 HP

£24,099

Fair price

You save £1

E4 7PX Greater London, London

128 g CO2/km comb. - 190 HP (139 kW) - 4.8 Mpg

Carwow Leasing

M Sport

(2025) BMW 420 M Sport 184 HP

£45,564

Good price

You save £3,236

RH10 1TN West Sussex, West Sussex

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

1 / 3

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

4 Series Gran Coupe i M Sport 2.0

2023
19,655 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
mpg: 41.5
Details

Good price

£28,611

Bmw.co.uk

DN15 8PT North Lincolnshire, Lincolnshire

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-2%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
6,679 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
mpg: 41.5
Details

Good price

£35,495

£36,495

Bmw.co.uk

TN24 0GA Kent, Kent

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-5%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2025
5,829 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£37,000

£39,000

Bmw.co.uk

NP20 2DS Newport, Gwent

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-7%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2023
15,175 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
mpg: 40.9
Details

Good price

£29,000

£31,500

Bmw.co.uk

RM3 0XP Greater London, London

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-3%

1 / 4

Used (2016) BMW 420 Gran Coupé M Sport | Good price

4 Series 2.0 d xDrive M Sport Auto

2016
51,501 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Good price

£14,500

£14,995

Motors.co.uk

G81 1PD Glasgow, Dunbartonshire

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M Sport

(2023) BMW 420 M Sport 184 HP

£24,799

Good price

You save £2,701

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 190 HP

£24,900

Fair price

You save £1,000

WD3 3RT Croxley Green, Hertfordshire

130 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Carwow Leasing

M Sport

(2025) BMW 420 M Sport 184 HP

£46,336

Good price

You save £2,464

RH10 1TN West Sussex, West Sussex

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

Carwow

M Sport

(2022) BMW 420 M Sport 190 HP

£22,995

Fair price

Estimated price £21,845

YO322RJ

131 g CO2/km comb. - 190 HP (139 kW) - 5.0 Mpg

Showing 1 - 25 of 265 results

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