2020 BMW 420 Gran Coupé • Compare 12 used cars with valuation

Market overview: March-2026 Price Analysis: A used BMW 420 Gran Coupé from 2020 currently costs between £16,259 and £22,990. On average, the mileage for this year stands at 42,713 miles. The depreciation and price trend over the last 12 months is -£1,160.

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2020

(2020) BMW 420 M Sport 184 HP

£17,397

Fair price

You save £903

PR2 2DF Lancashire, Lancashire

169 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow

2020

(2020) BMW 420 M Sport 190 HP

£16,995

Fair price

Estimated price £16,408

ML6 9SE North Lanarkshire, Lanarkshire

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

Carwow

2021

(2021) BMW 420 M Sport 184 HP

£16,995

Super price

You save £2,505

W1H7AB

169 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow

2018

(2018) Mercedes C250 Active 204 HP

£16,699

Good price

You save £2,001

CW7 3AL Cheshire West And Chester, Cheshire

126 g CO2/km comb. - 204 HP (150 kW) - 57.7 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

1 / 1

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

4 Series 2.0 I M Sport Auto

2020
49,156 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Good price

£16,400

£16,500

Motors.co.uk

RM14 3PP North Ockendon, London

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-6%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

2020
42,643 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
181 HP (133 kW)
mpg: 37.7
CO2: 172 g CO2/km comb.
Details

Fair price

£16,800

£17,990

Bmw.co.uk

BS10 7TU Patchway, Gloucestershire

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-36%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 184 HP | Fair price

4 Series Gran Coupe i M Sport 2.0

Mar 2020
55,801 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 37.7
CO2: 135 g CO2/km comb.
Details

Fair price

£16,259

£25,750

Bmw.co.uk

ST17 4PQ Staffordshire, Staffordshire

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-31%

1 / 4

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

4 Series Gran Coupe i M Sport 2.0

Mar 2020
48,500 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 37.7
CO2: 135 g CO2/km comb.
Details

Fair price

£17,490

£25,450

Bmw.co.uk

HU9 1TQ Kingston Upon Hull, East Yorkshire

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2022

(2022) Mercedes CLA250 AMG Line Premium 224 HP

£19,931

Good price

You save £1,869

WS11 8XR Staffordshire, Staffordshire

154 g CO2/km comb. - 224 HP (164 kW) - 6.8 Mpg

Carwow

2020

(2020) BMW 420 M Sport 190 HP

£16,295

Fair price

Estimated price £16,053

W1H 7AB Greater London, London

160 g CO2/km comb. - 190 HP (139 kW) - 6.1 Mpg

Carwow

2020

(2020) Audi A5 Black Edition 190 HP

£19,895

Fair price

You save £305

BL1 3DE Greater Manchester, Manchester

162 g CO2/km comb. - 190 HP (139 kW) - 7.1 Mpg

Carwow

2020

(2020) Audi A5 Black Edition 190 HP

£15,990

Good price

You save £1,610

RG26 3JE Hampshire, Hampshire

162 g CO2/km comb. - 190 HP (139 kW) - 7.2 Mpg

-25%

1 / 4

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

i M Sport

2020
48,466 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 37.2
CO2: 135 g CO2/km comb.
Details

Fair price

£18,000

£24,000

Bmw.co.uk

WR4 9FA Worcestershire, Worcestershire

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1 / 4

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

4 Series Gran Coupe d M Sport 2.0

2020
34,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
mpg: 49.6
CO2: 120 g CO2/km comb.
Details

Fair price

£21,000

Bmw.co.uk

CV5 8NA West Midlands, West Midlands

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1 / 4

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

4 Series 2.0 I M Sport Auto

2020
33,081 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£18,995

Motors.co.uk

PO16 7HZ Hampshire, Hampshire

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-31%

1 / 3

Used (2020) BMW 420 Gran Coupé M Sport 184 HP | Fair price

4 Series 2.0 i M Sport 5d Auto

Jul 2020
29,096 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 37.2
CO2: 173 g CO2/km comb.
Details

Fair price

£19,300

£28,000

Bmw.co.uk

AB12 3EW Aberdeen, Aberdeen

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-21%

1 / 4

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

i M Sport

2020
38,142 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
181 HP (133 kW)
mpg: 37.7
CO2: 146 g CO2/km comb.
Details

Fair price

£18,495

£23,495

Bmw.co.uk

ML3 0AY Glasgow, Lanarkshire

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-34%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 184 HP | A bit pricey

4 Series Gran Coupe i M Sport 2.0

2020
58,240 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 36.7
CO2: 135 g CO2/km comb.
Details

A bit pricey

£17,450

£26,495

Bmw.co.uk

UB7 8JU Greater London, London

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2021

(2021) BMW 420 M Sport 184 HP

£16,817

Super price

You save £3,483

E6 5LU Greater London, London

169 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow

2019

(2019) Audi A5 S-Line 190 HP

£17,199

Fair price

You save £1,101

CW7 Cheshire West And Chester, Cheshire

143 g CO2/km comb. - 190 HP (139 kW) - 62.8 Mpg

Carwow

2018

(2018) Mercedes C250 AMG line 204 HP

£17,995

Fair price

Estimated price £17,148

RG21 4HG Hampshire, Hampshire

123 g CO2/km comb. - 204 HP (150 kW) - 4.8 Mpg

Carwow

2018

(2018) Mercedes C250 AMG Line Premium 204 HP

£20,279

Fair price

Estimated price £19,202

HA4 0JA Greater London, London

127 g CO2/km comb. - 204 HP (150 kW) - 4.8 Mpg

-4%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 187 HP | A bit pricey

4 Series Gran Coupe d xDrive M

2020
39,816 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
mpg: 45.6
CO2: 162 g CO2/km comb.
Details

A bit pricey

£22,990

£23,950

Bmw.co.uk

WV2 West Midlands, West Midlands

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-25%

1 / 4

Used (2020) BMW 420 Gran Coupé M Sport 187 HP | A bit pricey

4 Series D XDRIVE M SPORT

Dec 2020
35,611 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
mpg: 59.0
CO2: 161 g CO2/km comb.
Details

A bit pricey

£22,360

£29,999

Bmw.co.uk

NE36 0BQ West Boldon, Tyne And Wear

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2021

(2021) BMW 420 M Sport 184 HP

£17,650

Super price

You save £4,250

WD3 3RT Croxley Green, Hertfordshire

178 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

Carwow

2021

(2021) BMW 420 M Sport 184 HP

£16,400

Super price

You save £3,000

RM20 3NL Purfleet-On-Thames, Essex

169 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow

2019

(2019) Audi A5 S-Line 190 HP

£16,344

Fair price

You save £156

RM13 8RH Greater London, London

161 g CO2/km comb. - 190 HP (139 kW) - 6.1 Mpg

Carwow

2020

(2020) BMW 420 M Sport 190 HP

£17,995

Fair price

Estimated price £16,876

YO195PA

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

Showing 1 - 12 of 12 results

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BMW 420 Gran Coupé (283)