2026 | BMW 420 – 85 Used + Free Valuation

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Super price

4 Series Gran Coupe 2026 M sport i

2026
4,217 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Super price

£35,999

£35,995

GU1 1RU Surrey, Surrey

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-2%

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

4 Series Gran Coupe 2026 M sport i

2026
3,505 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Good price

£37,895

£38,995

MK15 0DQ Milton Keynes, Buckinghamshire

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1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

4 Series Gran Coupe 2026 M sport i

2026
2,678 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Good price

£38,890

£39,190

IP31 1SX Fornham Saint Martin, Suffolk

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-9%

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

- 4 Series Gran Coupe i M Sport

2026
5,349 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 156 g CO2/km comb.
6.6 mpg
Details

Good price

£38,565

£42,644

BA22 8RT Somerset, Somerset

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1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

4 Series 2026 M Sport i Step

2026
6,700 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 144 g CO2/km comb.
6.3 mpg
Details

Good price

£37,999

GU1 1RU Surrey, Surrey

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1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

4 Series 2026 M Sport i 2dr Step

2026
16,593 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 144 g CO2/km comb.
6.3 mpg
Details

Good price

£36,950

HA36AG

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Super price

4 Series Gran Coupe i M Sport Gran

2026
2,505 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
41.5 mpg
Details

Super price

£37,850

£37,895

Bmw.co.uk

MK15 0DQ Milton Keynes, Buckinghamshire

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1 / 2

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

Aug 2026
2,486 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
Details

Good price

£39,990

Dealer

Bmw, Dumfriesshire

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New

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

4 Series i M Sport 5dr Step

2026
2,741 miles
Trim level: M Sport
2.0L Petrol
Hatchback
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Good price

£38,898

Dealer

KY1 3NQ Fife, Fife

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New

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Good price

4 Series i M Sport 5dr Step

2026
2,671 miles
Trim level: M Sport
2.0L Petrol
Hatchback
Automatic
184 HP (135 kW)
Details

Good price

£38,898

Dealer

G52 4FA Renfrewshire, Renfrewshire

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New

1 / 4

Used (2026) BMW 420 M Sport 181 HP | Super price

4 Series Gran Coupe i M Sport Gran

2026
5,999 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 153 g CO2/km comb.
42.2 mpg
Details

Super price

£37,999

Exchange and Mart

CH1 4LS Chester, Cheshire

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New

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Super price

4 Series i M Sport 5dr Step

2026
5,107 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Super price

£36,998

Dealer

KY1 3NQ Fife, Fife

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

Mar 2026
5,602 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
Details

Good price

£39,485

Dealer

Bmw, Dumfriesshire

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New

1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

2026
5,602 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 156 g CO2/km comb.
40.9 mpg
Details

Good price

£39,485

Bmw.co.uk

CM2 5PG Springfield, Essex

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

2026
5,505 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
41.5 mpg
Details

Good price

£39,995

Bmw.co.uk

MK15 0DQ Milton Keynes, Buckinghamshire

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

Jun 2026
2,762 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Good price

£39,790

Dealer

Bmw, Dumfriesshire

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series i M Sport Coupe 2.0

May 2026
2,011 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 144 g CO2/km comb.
44.8 mpg
Details

Good price

£38,950

£38,995

Dealer

CM2 5PG Springfield, Essex

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

Mar 2026
5,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 153 g CO2/km comb.
Details

Good price

£39,195

Dealer

Bmw, Dumfriesshire

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1 / 2

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Pro

Jun 2026
2,500 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 157 g CO2/km comb.
Details

Good price

£38,990

Dealer

Bmw, Dumfriesshire

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

2026
3,728 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 155 g CO2/km comb.
41.5 mpg
Details

Good price

£38,890

Bmw.co.uk

IP31 1SX Fornham Saint Martin, Suffolk

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series i M Sport Coupe 2.0

2026
2,494 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 146 g CO2/km comb.
44.1 mpg
Details

Good price

£38,995

Bmw.co.uk

BT12 6QU Belfast

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

2026
5,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 153 g CO2/km comb.
41.5 mpg
Details

Good price

£39,195

Bmw.co.uk

GU14 6TL Hampshire, Hampshire

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1 / 4

Used (2026) BMW 420 M Sport 181 HP | Good price

4 Series Gran Coupe i M Sport Gran

2026
5,268 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
CO2 emissions: 154 g CO2/km comb.
41.5 mpg
Details

Good price

£39,990

Bmw.co.uk

CT2 7PX Kent, Kent

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-1%

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Fair price

4 Series Gran Coupe 2026 M sport i

2026
5,416 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Fair price

£39,995

£40,455

MK15 0DQ Milton Keynes, Buckinghamshire

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-2%

1 / 4

Used (2026) BMW 420 M Sport 184 HP | Fair price

4 Series Convertible 2026 M Sport

2026
4,370 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

Fair price

£44,995

£45,998

MK15 0DQ Milton Keynes, Buckinghamshire

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Availability verified

2026 BMW 420 • Compare 85 used cars with valuation

Used (2026) BMW 420 M Sport 184 HP | Super price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Super price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Super price

Used (2026) BMW 420 M Sport 184 HP | Super price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 181 HP | Good price

Used (2026) BMW 420 M Sport 184 HP | Fair price

Used (2026) BMW 420 M Sport 184 HP | Fair price

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