BMW 420 with automatic • 1,271 cars with Valuation

Market overview: Price of BMW 420 with automatic: 1,271 cars for sale. Prices typically vary between £8,980 and £43,950. Check the AutoUncle Valuation before buying.

Featured deals

Verified Dealers

Become a verified dealer

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 Cabriolet

Automatic

(2025) BMW 420 M Sport 184 HP

£28,700

Super price

You save £5,600

CM1 3BH Essex, Essex

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2023 Coupe

Automatic

(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

Used BMW 420 M Sport 184 HP (135 kW) 2022 Blue Coupe

Automatic

(2022) BMW 420 M Sport 184 HP

£23,819

Fair price

You save £881

YO304WR, North Yorkshire

154 g CO2/km comb. - 184 HP (135 kW) - 41.5 Mpg

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 White Cabriolet

Automatic

(2020) BMW 420 M Sport 190 HP

£21,500

Fair price

You save £800

CM23 3LJ Hertfordshire, Hertfordshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

New

1 / 1

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

- 4 Series Gran Coupe i M Sport

2026
0 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

£46,248

£45,957

S41 9BU Derbyshire, Derbyshire

View the car

Availability verified

-3%

1 / 4

Used (2021) BMW 420 M Sport 184 HP | Super price

- 4 Series Gran Coupe i M Sport

2021
71,505 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

Super price

£14,225

£14,687

LE12 7AT Mountsorrel, Leicestershire

View the car

Availability verified

-10%

1 / 4

Used (2023) BMW 420 M Sport 184 HP | Super price

- 4 Series i M Sport Pro Edition

2023
33,219 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

Super price

£24,399

£27,249

E4 7PX Greater London, London

View the car

Availability verified

-3%

1 / 4

Used (2020) BMW 420 Sport Line 190 HP | Good price

- 4 Series d [190] Sport 2dr Auto

2020
50,000 miles
Trim level: Sport Line
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 154 g CO2/km comb.
5.7 mpg
Details

Good price

£11,995

£12,395

NR318DF

View the car

Availability verified

Featured deals

Verified Dealers

Carwow

Automatic

(2023) BMW 420 M Sport 184 HP

£23,149

Super price

You save £2,851

DE21 6BZ Derby, Derbyshire

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

Carwow

Automatic

(2023) BMW 420 M Sport 184 HP

£24,399

Super price

You save £3,101

E4 7PX Greater London, London

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 Black Coupe

Automatic

(2022) BMW 420 M Sport 190 HP

£24,950

Fair price

You save £950

WD3 3RT Croxley Green, Hertfordshire

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2021 Blue Coupe

Automatic

(2021) BMW 420 M Sport 190 HP

£26,722

Fair price

Estimated price £26,191

YO304WR, North Yorkshire

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

-20%

1 / 4

Used (2023) BMW 420 M Sport 192 HP | Super price

4 Series i xDrive M Sport Coupe

2023
14,085 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
192 HP (141 kW)
CO2 emissions: 159 g CO2/km comb.
40.4 mpg
Details

Super price

£31,696

£39,950

NE36 0BQ West Boldon, Tyne And Wear

View the car

Availability verified

New

1 / 4

Used (2022) BMW 420 M Sport 190 HP | Good price

- 4 Series Convertible d MHT M

2022
53,684 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 129 g CO2/km comb.
4.9 mpg
Details

Good price

£24,920

BB1 3NU Lancashire, Lancashire

View the car

Availability verified

New

1 / 4

Used (2025) BMW 420 M Sport 184 HP | Super price

4 Series i M Sport 5dr Step

2025
7,142 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

£35,199

BB12 6EH Lancashire, Lancashire

View the car

Availability verified

-1%

1 / 4

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series d [190] M Sport 2dr

2020
62,767 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 149 g CO2/km comb.
5.7 mpg
Details

Good price

£15,750

£15,995

WR9 7DZ Worcestershire, Worcestershire

View the car

Availability verified

1 / 3

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series Gran Coupe d [190] M

2020
43,537 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

Good price

£16,340

£16,370

CM167NY

View the car

Availability verified

-2%

1 / 3

Used (2020) BMW 420 M Sport 184 HP | Good price

- 4 Series Convertible i M Sport

2020
30,717 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
CO2 emissions: 182 g CO2/km comb.
8 mpg
Details

Good price

£17,396

£17,758

E65LU

View the car

Availability verified

Featured deals

Verified Dealers

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2021 Grey Coupe

Automatic

(2021) BMW 420 M Sport 190 HP

£23,699

Fair price

You save £401

E4 7PX Greater London, London

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 Coupe

Automatic

(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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2023 Grey Coupe

Automatic

(2023) BMW 420 M Sport 184 HP

£28,199

Fair price

You save £701

CW7 Cheshire West And Chester, Cheshire

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

Carwow

Automatic

(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

-5%

1 / 4

Used (2025) BMW 420 M Sport 184 HP | Super price

- 4 Series Convertible i M Sport

2025
36,531 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

Super price

£28,700

£30,500

CM1 3BH Essex, Essex

View the car

Availability verified

-13%

1 / 3

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

- 4 Series Gran Coupe i M Sport

2026
4,462 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

£36,983

£42,662

PO35FF

View the car

Availability verified

-4%

1 / 3

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series Convertible d [190] M

2020
68,132 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 156 g CO2/km comb.
5.9 mpg
Details

Good price

£14,512

£15,130

E65LU

View the car

Availability verified

-3%

1 / 3

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series Convertible d [190] M

2020
52,487 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 156 g CO2/km comb.
5.9 mpg
Details

Good price

£18,540

£19,293

RM13 8RH Greater London, London

View the car

Availability verified

1 / 4

Used (2025) BMW 420 M Sport 184 HP | Super price

4 Series i M Sport 5dr Step

2025
12,221 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

£34,149

DE21 6BZ Derby, Derbyshire

View the car

Availability verified

-7%

1 / 4

Used (2025) BMW 420 M Sport 184 HP | Good price

4 Series i M Sport Coupe 2.0

2025
6,620 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
CO2 emissions: 159 g CO2/km comb.
40.4 mpg
Details

Good price

£37,190

£39,990

CT2 7PX Kent, Kent

View the car

Availability verified

-3%

1 / 4

Used (2023) BMW 420 M Sport 184 HP | Super price

- 4 Series i M Sport Pro Edition

2023
45,612 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

Super price

£23,149

£24,099

DE21 6BZ Derby, Derbyshire

View the car

Availability verified

-5%

1 / 4

Used (2022) BMW 420 M Sport 190 HP | Super price

4 Series d MHT M Sport 2dr Step

2022
18,757 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 122 g CO2/km comb.
4.7 mpg
Details

Super price

£26,299

£27,849

NP19 4YR Newport, Gwent

View the car

Availability verified

-2%

1 / 3

Used (2020) BMW 420 M Sport 190 HP | Super price

- 4 Series Convertible d [190] M

2020
43,626 miles
Trim level: M Sport
2.0L Diesel
Cabriolet
Automatic
190 HP (139 kW)
CO2 emissions: 156 g CO2/km comb.
5.9 mpg
Details

Super price

£16,766

£17,273

E6 5LU Greater London, London

View the car

Availability verified

-5%

1 / 4

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series d [190] xDrive M Sport

2020
42,481 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 158 g CO2/km comb.
6 mpg
Details

Good price

£16,599

£17,649

IP12DZ, Suffolk

View the car

Availability verified

Featured deals

Verified Dealers

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 White Coupe

Automatic

(2022) BMW 420 M Sport 190 HP

£26,299

Super price

You save £3,001

NP19 4YR Newport, Gwent

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

Carwow

Automatic

(2022) BMW 420 M Sport 184 HP

£28,928

Fair price

Estimated price £27,783

NE36 0BQ West Boldon, Tyne And Wear

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

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2022 White Cabriolet

Automatic

(2022) BMW 420 M Sport 190 HP

£24,920

Good price

You save £2,180

BB1 3NU Lancashire, Lancashire

129 g CO2/km comb. - 190 HP (139 kW) - 4.9 Mpg

Carwow

Used BMW 420 M Sport 192 HP (141 kW) 2023 White Coupe

Automatic

(2023) BMW 420 M Sport 192 HP

£31,696

Super price

You save £3,204

NE36 0BQ West Boldon, Tyne And Wear

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

-3%

1 / 3

Used (2019) BMW 420 M Sport 190 HP | Good price

- 4 Series Gran Coupe d [190] M

2019
104,499 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

Good price

£11,975

£12,347

RM13 8RH Greater London, London

View the car

Availability verified

-1%

1 / 3

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series d [190] M Sport 2dr

2020
37,993 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
CO2 emissions: 149 g CO2/km comb.
5.7 mpg
Details

Good price

£16,941

£17,253

E6 5LU Greater London, London

View the car

Availability verified

-2%

1 / 4

Used (2021) BMW 420 M Sport 184 HP | Super price

- 4 Series Gran Coupe i M Sport

2021
33,245 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

Super price

£17,549

£17,999

TS183RW

View the car

Availability verified

1 / 4

Used (2021) BMW 420 M Sport 184 HP | Super price

4 Series Gran Coupe 2021 | 2.0 i

2021
40,294 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

Super price

£18,300

S60 5BD Catcliffe, South Yorkshire

View the car

Availability verified

-5%

1 / 4

Used (2020) BMW 420 M Sport 190 HP | Good price

- 4 Series Gran Coupe d [190] M

2020
48,250 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

Good price

£15,990

£16,995

W1H7AB

View the car

Availability verified

Featured deals

Verified Dealers

Carwow

Used BMW 420 M Sport 190 HP (139 kW) 2020 Grey Cabriolet

Automatic

(2020) BMW 420 M Sport 190 HP

£18,540

Good price

You save £2,260

RM13 8RH Greater London, London

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2026 Coupe

Automatic

(2026) BMW 420 M Sport 184 HP

£36,983

Super price

You save £4,017

PO35FF

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2021 Blue Coupe

Automatic

(2021) BMW 420 M Sport 184 HP

£18,300

Super price

You save £3,400

S60 5BD Catcliffe, South Yorkshire

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

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2025 White Coupe

Automatic

(2025) BMW 420 M Sport 184 HP

£34,149

Super price

You save £4,451

DE21 6BZ Derby, Derbyshire

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

Showing 1 - 25 of 1,179 results

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See BMW 420

BMW 420 (1000+)