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BMW 420 Coupé (petrol) • 214 cars with Valuation

Market overview: Petrol BMW 420 Coupé (October-2026): There are currently 214 used petrol BMW 420 Coupé cars for sale. Prices range from £8,995 to £39,487, with a median price of £23,550. AutoUncle has identified 0 cars as being offered below market price. The typical selling time for a petrol BMW 420 Coupé is approximately 43 days, and 43.6% of the listings have recently been reduced in price (Source: AutoUncle market data, October-2026).

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Used Ford Puma ST 170 HP (125 kW) 2025 Grey SUV

(2025) Ford Puma ST 170 HP

Fair price

Estimated price £20,849

LE11 5HN Leicestershire, Leicestershire

135 g CO2/km comb. - 170 HP (125 kW) - 5.9 Mpg

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Used Ford Mustang Extended Range 487 HP (358 kW) 2021 Blue Estate

(2021) Ford Mustang Extended Range 487 HP

Fair price

NG7 2SZ Nottingham, Nottinghamshire

487 HP (358 kW)

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Used Mazda CX-5 Homura-Line 165 HP (121 kW) 2023 Additional special metallic soul red crystal SUV

(2023) Mazda CX-5 Homura-Line 165 HP

Fair price

Estimated price £23,173

NG7 2SZ Nottingham, Nottinghamshire

165 HP (121 kW) - 42.8 Mpg

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Used Mazda CX-5 Homura-Line 165 HP (121 kW) 2023 Grey SUV

(2023) Mazda CX-5 Homura-Line 165 HP

Fair price

Estimated price £22,547

Nottingham, Nottinghamshire

165 HP (121 kW) - 42.8 Mpg

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Used (2021) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2021 M Sport i Step

2021
28,025 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

£23,399

£24,649

Rare vehicle

B69 2AS West Midlands, West Midlands

Availability verified

1 / 4

Used (2018) BMW 420 Coupé Sport Line 184 HP | Rare vehicle

4 Series 2.0 i Sport Auto 2dr

2018
59,000 miles
Trim level: Sport Line
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 178 g CO2/km comb.
7.4 mpg
Details

£12,645

£12,690

Rare vehicle

RM7 0AZ Greater London, London

Availability verified

-3%

1 / 4

Used (2018) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2018 M Sport i Auto

2018
74,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 170 g CO2/km comb.
7.3 mpg
Details

£13,500

£14,000

Rare vehicle

ST16 3DR Staffordshire, Staffordshire

Availability verified

1 / 4

Used (2022) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series i xDrive M Sport Coupe

2022
28,489 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

£28,495

Rare vehicle

GU1 1RU Surrey, Surrey

Availability verified

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Used Mercedes A200 AMG line 163 HP (119 kW) 2023 Black Sedan

(2023) Mercedes A200 AMG line 163 HP

Fair price

LE11 5NH Leicestershire, Leicestershire

132 g CO2/km comb. - 163 HP (119 kW) - 50.4 Mpg

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Used Mazda CX-5 Homura-Line 165 HP (121 kW) 2023 Blue SUV

(2023) Mazda CX-5 Homura-Line 165 HP

Fair price

LE2 6BW Leicester, Leicestershire

156 g CO2/km comb. - 165 HP (121 kW) - 42.8 Mpg

Sandicliffe.co.uk

Used Ford Puma Titanium 125 HP (91 kW) 2025 Grey SUV

(2025) Ford Puma Titanium 125 HP

Fair price

Estimated price £19,212

NG7 2SZ Nottingham, Nottinghamshire

127 g CO2/km comb. - 125 HP (91 kW) - 5.6 Mpg

Sandicliffe.co.uk

Used Mazda CX-5 Exclusive-Line 165 HP (121 kW) 2023 White SUV

(2023) Mazda CX-5 Exclusive-Line 165 HP

Fair price

Estimated price £21,608

NG7 2SZ Nottingham, Nottinghamshire

156 g CO2/km comb. - 165 HP (121 kW) - 42.8 Mpg

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Used (2022) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series i M Sport 2dr Step Auto

2022
14,406 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

£26,099

£28,249

Rare vehicle

B69 2AS West Midlands, West Midlands

Availability verified

-4%

1 / 4

Used (2021) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series i M Sport 2dr Step Auto

2021
44,468 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

£21,999

£22,949

Rare vehicle

BB126EH Burnley, Lancashire

Availability verified

-36%

1 / 4

Used (2026) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2026 M Sport i Step

2026
2,500 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

£39,450

£62,250

Rare vehicle

HU9 1TQ Kingston Upon Hull, East Yorkshire

Availability verified

-6%

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Used (2025) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2025 M Sport i Step

2025
9,121 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 144 g CO2/km comb.
40.4 mpg
Details

£35,190

£37,690

Rare vehicle

S419ED Derbyshire, Derbyshire

Availability verified

-1%

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Used (2023) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series i xDrive M Sport Coupe

2023
49,284 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

£27,099

£27,499

Rare vehicle

LS12 6DL West Yorkshire, West Yorkshire

Availability verified

-3%

1 / 4

Used (2021) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2.0 i M Sport Coupe 2dr

2021
50,000 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

£21,420

£22,200

Rare vehicle

BB1 3NU Lancashire, Lancashire

Availability verified

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Used Skoda Kodiaq SE L Executive 150 HP (110 kW) 2023 Black SUV

(2023) Skoda Kodiaq SE L Executive 150 HP

Fair price

LE11 5HN Leicestershire, Leicestershire

138 g CO2/km comb. - 150 HP (110 kW) - 6.9 Mpg

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Used Ford Puma ST 170 HP (125 kW) 2025 Blue SUV

(2025) Ford Puma ST 170 HP

Fair price

NG7 2SZ Nottingham, Nottinghamshire

135 g CO2/km comb. - 170 HP (125 kW) - 5.9 Mpg

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Used Ford Puma ST 170 HP (125 kW) 2025 White SUV

(2025) Ford Puma ST 170 HP

Fair price

LE11 5HN Leicestershire, Leicestershire

135 g CO2/km comb. - 170 HP (125 kW) - 5.9 Mpg

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Used Audi Q2 Business 150 HP (110 kW) 2023 Grey SUV

(2023) Audi Q2 Business 150 HP

Fair price

Estimated price £19,266

LE11 5HN Leicestershire, Leicestershire

136 g CO2/km comb. - 150 HP (110 kW) - 6.0 Mpg

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Used (2023) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series i M Sport Coupe 2.0

2023
39,899 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

£26,995

£27,695

Rare vehicle

MK15 0DQ Milton Keynes, Buckinghamshire

Availability verified

-4%

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Used (2023) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2023 M Sport i Step

2023
29,041 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

£26,180

£27,495

Rare vehicle

MK15 0DQ Milton Keynes, Buckinghamshire

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1 / 4

Used (2017) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2.0 i M Sport Coupe 2dr

2017
99,900 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 169 g CO2/km comb.
7.3 mpg
Details

£10,390

£9,990

Rare vehicle

UB7 8HY Greater London, London

Availability verified

1 / 4

Used (2025) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2025 M Sport i Step

2025
9,171 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

£34,590

£34,690

Rare vehicle

DN2 4SR South Yorkshire, South Yorkshire

Availability verified

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Used (2017) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4-Series Coupe i xDrive M Sport

2017
35,850 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 179 g CO2/km comb.
34.9 mpg
Details

£15,740

£15,990

Rare vehicle

W1H 7AB Greater London, London

Availability verified

1 / 4

Used (2022) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2022 M Sport Pro Edition

2022
18,300 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 151 g CO2/km comb.
6.6 mpg
Details

£28,995

Rare vehicle

TN2 3UE Kent, Kent

Availability verified

1 / 4

Used (2022) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2.0 i xDrive M Sport Auto

2022
47,850 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 154 g CO2/km comb.
6.8 mpg
Details

£23,405

Rare vehicle

W1H 7AB Greater London, London

Availability verified

1 / 4

Used (2020) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2020 M Sport i Auto

2020
114,233 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 170 g CO2/km comb.
36.7 mpg
Details

£10,500

Rare vehicle

B33 0LD West Midlands, West Midlands

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1 / 4

Used (2017) BMW 420 Coupé Sport Line 184 HP | Rare vehicle

4 Series 2017 Sport i Auto

2017
81,658 miles
Trim level: Sport Line
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 178 g CO2/km comb.
7.4 mpg
Details

£11,000

Rare vehicle

WD3 3RT Croxley Green, Hertfordshire

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1 / 4

Used (2023) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series i M Sport Pro Edition

2023
19,305 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 150 g CO2/km comb.
6.6 mpg
Details

£30,999

Rare vehicle

S41 7JB Derbyshire, Derbyshire

Availability verified

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Used Mini Countryman Exclusive 136 HP (100 kW) 2022 Green SUV

(2022) Mini Countryman Exclusive 136 HP

Fair price

Estimated price £22,232

NG7 2SZ Nottingham, Nottinghamshire

136 HP (100 kW) - 44.8 Mpg

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Used Skoda Kodiaq SE L Executive 150 HP (110 kW) 2024 Black SUV

(2024) Skoda Kodiaq SE L Executive 150 HP

Fair price

You save £1,167

LE11 5NH Leicestershire, Leicestershire

138 g CO2/km comb. - 150 HP (110 kW) - 5.9 Mpg

Sandicliffe.co.uk

Used Audi Q2 S-Line 150 HP (110 kW) 2023 Black SUV

(2023) Audi Q2 S-Line 150 HP

Fair price

LE2 6BW Leicester, Leicestershire

136 g CO2/km comb. - 150 HP (110 kW) - 6.0 Mpg

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Used Mazda CX-5 Homura-Line 165 HP (121 kW) 2023 Grey SUV

(2023) Mazda CX-5 Homura-Line 165 HP

Fair price

Estimated price £23,593

NG7 2SZ Nottingham, Nottinghamshire

165 HP (121 kW) - 42.8 Mpg

1 / 4

Used (2023) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2023 M Sport i Step

2023
24,500 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

£27,990

Rare vehicle

CM5 0ER Magdalen Laver, Essex

Availability verified

1 / 4

Used (2021) BMW 420 Coupé M Sport 184 HP | Rare vehicle

4 Series 2021 M Sport i Step

2021
37,000 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

£25,850

Rare vehicle

CM23 3LJ Hertfordshire, Hertfordshire

Availability verified

-1%

1 / 4

Used (2022) BMW 420 Coupé M Sport | Rare vehicle

4 Series i M Sport Auto Coupe

2022
33,300 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

£25,490

£25,990

Rare vehicle

Exchange and Mart

Lincolnshire, Lincolnshire

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Used (2022) BMW 420 Coupé M Sport | Rare vehicle

4 Series i M Sport Auto Coupe

2022
53,600 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

£23,490

£23,990

Rare vehicle

Exchange and Mart

Lincolnshire, Lincolnshire

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Used (2015) BMW 420 Coupé M Sport 181 HP | Rare vehicle

4 Series i xDrive M Sport 2dr

2015
76,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
181 HP (133 kW)
CO2 emissions: 162 g CO2/km comb.
40 mpg
Details

£9,890

£9,990

Rare vehicle

Parkers.co.uk

S9 3JL South Yorkshire, South Yorkshire

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Used Ford Puma ST 170 HP (125 kW) 2025 Grey SUV

(2025) Ford Puma ST 170 HP

Fair price

LE11 5HN Leicestershire, Leicestershire

135 g CO2/km comb. - 170 HP (125 kW) - 5.9 Mpg

Sandicliffe.co.uk

New Ford Focus ST-Line 155 HP (114 kW) 2026 Moondust silver (premium colour) Hatchback

(2026) Ford Focus ST-Line 155 HP

Fair price

You save £1,224

LE11 5HN Leicestershire, Leicestershire

121 g CO2/km comb. - 155 HP (114 kW) - 5.4 Mpg

Sandicliffe.co.uk

Used Peugeot 5008 GTi 131 HP (96 kW) 2023 Bronze SUV

(2023) Peugeot 5008 GTi 131 HP

Fair price

Estimated price £20,707

LE2 6BW Leicester, Leicestershire

139 g CO2/km comb. - 131 HP (96 kW) - 6.0 Mpg

Sandicliffe.co.uk

New Ford Focus ST-Line 155 HP (114 kW) 2026 Chrome blue (premium colour) Hatchback

(2026) Ford Focus ST-Line 155 HP

Fair price

You save £1,210

LE2 6BW Leicester, Leicestershire

121 g CO2/km comb. - 155 HP (114 kW) - 5.4 Mpg

Showing 1 - 25 of 211 results

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