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BMW 420 Gran Coupé (diesel) • 60 cars with Valuation

Market overview: Diesel BMW 420 Gran Coupé (September-2026): There are currently 60 used diesel BMW 420 Gran Coupé cars for sale. Prices range from £6,899 to £21,722, with a median price of £12,995. AutoUncle has identified 2 cars as being offered below market price. The typical selling time for a diesel BMW 420 Gran Coupé is approximately 43 days, and 50.0% of the listings have recently been reduced in price (Source: AutoUncle market data, September-2026).

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Used BMW 420 Gran Coupé Sport Line 190 HP (139 kW) 2019 Black Coupe

(2019) BMW 420 Gran Coupé Sport Line 190 HP

Fair price

NE8 3HL Tyne And Wear, Tyne And Wear

156 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

Used BMW 420 Gran Coupé M Sport 190 HP (139 kW) 2017 White Coupe

(2017) BMW 420 Gran Coupé M Sport 190 HP

Fair price

UB7 8HY Greater London, London

151 g CO2/km comb. - 190 HP (139 kW) - 47.9 Mpg

Carwow

Used BMW 420 Gran Coupé M Sport 190 HP (139 kW) 2019 Grey Coupe

(2019) BMW 420 Gran Coupé M Sport 190 HP

Fair price

DH33EJ County Durham, Durham

151 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

Used BMW 420 Gran Coupé Luxury Line 184 HP (135 kW) 2014 Blue Coupe

(2014) BMW 420 Gran Coupé Luxury Line 184 HP

Fair price

Estimated price £6,770

SO18 1BH Southampton, Hampshire

121 g CO2/km comb. - 184 HP (135 kW) - 4.6 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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-5%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 187 HP | Good price

4 Series d M Sport Coupe

2020
52,298 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
Details

Good price

£15,900

£16,900

Exchange and Mart

Hampshire, Hampshire

-5%

1 / 4

Used (2017) BMW 420 Gran Coupé M Sport 190 HP | Good price

4 Series Gran Coupe 2.0 d M

2017
95,117 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
190 HP (139 kW)
47.9 mpg
Details

Good price

£8,490

£8,990

Parkers.co.uk

G73 1NP Rutherglen, Lanarkshire

1 / 4

Used (2014) BMW 420 Gran Coupé Luxury Line 184 HP | Fair price

4 Series Gran Coupe 2014 Luxury d

2014
113,723 miles
Trim level: Luxury Line
2.0L Diesel
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 121 g CO2/km comb.
4.6 mpg
Details

Fair price

£6,999

SO18 1BH Southampton, Hampshire

Availability verified

-4%

1 / 4

Used (2019) BMW 420 Gran Coupé M Sport 190 HP | Fair price

4 Series Gran Coupe 2.0 d M

2019
76,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 151 g CO2/km comb.
5.8 mpg
Details

Fair price

£14,295

£14,995

DH33EJ County Durham, Durham

Availability verified

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Sandicliffe.co.uk

Used BMW 420 M Sport 190 HP (139 kW) 2020 Black Hatchback

(2020) BMW 420 M Sport 190 HP

Fair price

Estimated price £15,027

LE12 Loughborough, Leicestershire

120 g CO2/km comb. - 190 HP (139 kW) - 47.9 Mpg

Carwow

Used BMW 420 Sport Line 190 HP (139 kW) 2017 Black Cabriolet

(2017) BMW 420 Sport Line 190 HP

Fair price

PE4 6QZ Peterborough, Cambridgeshire

161 g CO2/km comb. - 190 HP (139 kW) - 5.9 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 Black Coupe

(2020) BMW 420 M Sport 190 HP

Fair price

LE11 5NH Leicestershire, Leicestershire

151 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

Used Mercedes C250 AMG Line Premium 204 HP (150 kW) 2017 Blue Sedan

(2017) Mercedes C250 AMG Line Premium 204 HP

Fair price

CO5 7JH Rowhedge, Essex

117 g CO2/km comb. - 204 HP (150 kW) - 62.0 Mpg

-4%

1 / 4

Used (2019) BMW 420 Gran Coupé Sport Line 190 HP | Fair price

4 Series Gran Coupe 2.0 d Sport

2019
49,998 miles
Trim level: Sport Line
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 156 g CO2/km comb.
5.8 mpg
Details

Fair price

£15,690

£16,490

NE8 3HL Tyne And Wear, Tyne And Wear

Availability verified

1 / 4

Used (2017) BMW 420 Gran Coupé M Sport 190 HP | Fair price

4 Series Gran Coupe 2.0 d M Sport

2017
71,700 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 151 g CO2/km comb.
47.9 mpg
Details

Fair price

£12,990

UB7 8HY Greater London, London

Availability verified

1 / 4

Used (2019) BMW 420 Gran Coupé M Sport | Fair price

4 Series d M Sport Auto Coupe

2019
49,345 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£17,100

£17,250

Exchange and Mart

Hampshire, Hampshire

-6%

1 / 4

Used (2019) BMW 420 Gran Coupé M Sport | Fair price

4 Series d M Sport Auto Coupe

2019
60,842 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£15,300

£16,400

Exchange and Mart

Hampshire, Hampshire

-2%

1 / 4

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

4 Series d M Sport Auto Coupe

2018
41,391 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£16,500

£16,900

Exchange and Mart

Hampshire, Hampshire

-3%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 187 HP | Fair price

4 Series d M Sport Auto Coupe

2020
47,736 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
Details

Fair price

£17,900

£18,500

Exchange and Mart

Hampshire, Hampshire

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Used Mercedes C250 AMG Line Premium Plus 204 HP (150 kW) 2017 White Coupe

(2017) Mercedes C250 AMG Line Premium Plus 204 HP

Fair price

Estimated price £15,471

ME2 2NY Medway, Kent

120 g CO2/km comb. - 204 HP (150 kW) - 4.6 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 Black Coupe

(2020) BMW 420 M Sport 190 HP

Fair price

KT11 1JJ Surrey, Surrey

149 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2018 Grey Coupe

(2018) BMW 420 M Sport 190 HP

Fair price

TS18 3RB Stockton-On-Tees, Durham

149 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2016 Silver Coupe

(2016) BMW 420 M Sport 190 HP

Fair price

Estimated price £11,681

ME20 7XB Quarry Wood, Kent

158 g CO2/km comb. - 190 HP (139 kW) - 6.0 Mpg

-3%

1 / 4

Used (2016) BMW 420 Gran Coupé Luxury Line | Fair price

4 Series d Xdrive Luxury Auto

2016
84,887 miles
Trim level: Luxury Line
2.0L Diesel
Coupe
Automatic
Details

Fair price

£10,300

£10,650

Exchange and Mart

SN2 8ER Swindon, Wiltshire

1 / 4

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

4 Series d M Sport Auto Coupe

2018
88,500 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£12,944

Exchange and Mart

Lancashire, Lancashire

1 / 3

Used (2018) BMW 420 Gran Coupé Comfort Edition | Fair price

4 Series d Se Coupe

2018
62,480 miles
Trim level: Comfort Edition
2.0L Diesel
Coupe
Manual
Details

Fair price

£11,179

Exchange and Mart

Essex, Essex

1 / 4

Used (2017) BMW 420 Gran Coupé M Sport | Fair price

4 Series d M Sport Auto Coupe

2017
100,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£11,788

Exchange and Mart

Cambridgeshire, Cambridgeshire

1 / 3

Used (2016) BMW 420 Gran Coupé Comfort Edition 190 HP | Fair price

4 Series £35 TAX // AUTO d

2016
88,000 miles
Trim level: Comfort Edition
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
Details

Fair price

£9,944

£9,994

Motors.co.uk

B14 4ST Birmingham, West Midlands

-11%

1 / 3

Used (2017) BMW 420 Gran Coupé M Sport | Fair price

4 Series 2.0 d M Sport 5dr

2017
115,514 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
Details

Fair price

£7,990

£8,990

Motors.co.uk

TN5 7QR Flimwell, East Sussex

-5%

1 / 4

Used (2017) BMW 420 Gran Coupé M Sport 187 HP | Fair price

4 Series Gran Coupe d M Sport 2.0

2017
22,500 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
CO2 emissions: 114 g CO2/km comb.
62.8 mpg
Details

Fair price

£18,990

£19,990

Bmw.co.uk

SK4 2JZ Greater Manchester, Manchester

-30%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 187 HP | Fair price

d M Sport

Feb 2020
60,509 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
CO2 emissions: 120 g CO2/km comb.
48.7 mpg
Details

Fair price

£17,990

£25,980

Bmw.co.uk

SK4 2JZ Greater Manchester, Manchester

1 / 4

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

4 Series d XDRIVE M SPORT

2016
106,865 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£9,932

£9,999

Motors.co.uk

CF44 0AG Rhondda Cynon Taff, Mid Glamorgan

1 / 4

Used (2014) BMW 420 Gran Coupé M Sport | Fair price

4 Series Gran Coupe 2.0 d M

2014
113,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£8,995

Motors.co.uk

S9 3WP South Yorkshire, South Yorkshire

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Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2019 Blue Coupe

(2019) BMW 420 M Sport 190 HP

Fair price

G3 6ED Glasgow City, Glasgow

149 g CO2/km comb. - 190 HP (139 kW) - 48.7 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2018 Black Coupe

(2018) BMW 420 M Sport 190 HP

Fair price

Estimated price £12,356

ST16 3DR Staffordshire, Staffordshire

151 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

Used Mercedes C250 AMG Line Premium Plus 204 HP (150 kW) 2016 Silver Sedan

(2016) Mercedes C250 AMG Line Premium Plus 204 HP

Fair price

Estimated price £15,787

M17 1PZ Stretford, Manchester

117 g CO2/km comb. - 204 HP (150 kW) - 4.5 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2015 White Cabriolet

(2015) BMW 420 M Sport 190 HP

Fair price

Estimated price £13,134

OL8 4PQ Greater Manchester, Manchester

156 g CO2/km comb. - 190 HP (139 kW) - 46.3 Mpg

-3%

1 / 4

Used (2018) BMW 420 Gran Coupé Sport Line 190 HP | Fair price

4 Series D 2.0 Sport Auto

2018
45,738 miles
Trim level: Sport Line
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
46.3 mpg
Details

Fair price

£14,995

£15,495

Motors.co.uk

KA22 8JX North Ayrshire Council, Ayrshire And Arran

1 / 4

Used (2018) BMW 420 Gran Coupé M Sport 187 HP | Fair price

4 Series Gran Coupe d M Sport 2.0

2018
67,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
CO2 emissions: 126 g CO2/km comb.
46.3 mpg
Details

Fair price

£14,800

Bmw.co.uk

DN35 Grimsby, Lincolnshire

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport | Fair price

4 Series d Xdrive M Sport

2020
91,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£15,495

Exchange and Mart

Essex, Essex

1 / 4

Used (2019) BMW 420 Gran Coupé M Sport | Fair price

4 Series Gran Coupe 2.0 d xDrive M

2019
56,500 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£15,999

£14,999

Motors.co.uk

B11 2HX Tyseley, West Midlands

1 / 4

Used (2017) BMW 420 Gran Coupé M Sport 187 HP | Fair price

4 Series Gran Coupe d M Sport 2.0

2017
81,089 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
187 HP (137 kW)
CO2 emissions: 119 g CO2/km comb.
62.8 mpg
Details

Fair price

£12,250

Bmw.co.uk

NP20 2DS Newport, Gwent

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Used BMW 420 M Sport 190 HP (139 kW) 2015 Black Coupe

(2015) BMW 420 M Sport 190 HP

Fair price

Estimated price £11,638

ST16 3DR Staffordshire, Staffordshire

149 g CO2/km comb. - 190 HP (139 kW) - 5.7 Mpg

Carwow

Used Audi A5 S-Line 190 HP (139 kW) 2018 Black Coupe

(2018) Audi A5 S-Line 190 HP

Fair price

EH14 2SN Edinburgh, Edinburgh

111 g CO2/km comb. - 190 HP (139 kW) - 4.1 Mpg

Carwow

Used Audi A5 S-Line 190 HP (139 kW) 2017 Blue Coupe

(2017) Audi A5 S-Line 190 HP

Fair price

TS6 6UR Redcar And Cleveland, North Yorkshire

111 g CO2/km comb. - 190 HP (139 kW) - 4.2 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2018 White Coupe

(2018) BMW 420 M Sport 190 HP

Fair price

Estimated price £12,637

PE4 6QZ Peterborough, Cambridgeshire

151 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

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