Boston: BMW 420 used – 11 cars for sale near you

BMW 420 4 Series i M Sport 5dr [Professional Media]

181 HP (133 kW)

heycar

£15,295

Fair price

Estimated price £14,888

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

181 HP (133 kW)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Used (2019) BMW 420 M Sport 181 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

You save £700

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Visit heycar

New (2025) BMW 420 M Sport 184 HP | Fair price

- 4 Series Gran Coupe i M Sport

PE217PQ Boston, Lincolnshire

Fair price

You save £1,069

PE217PQ Boston, Lincolnshire

Visit Carwow

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

4 Series Gran Coupe i M Sport 5dr

Fair price

Estimated price £31,718

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

4 Series Gran Coupe i M Sport 5dr

Fair price

Estimated price £31,219

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

4 Series Gran Coupe i M Sport 5dr

Fair price

You save £410

PE20 3JN Boston, Lincolnshire

Used (2017) BMW 420 Sport Line 190 HP | Fair price

4 Series Gran Coupe 2.0 d Sport

Fair price

Estimated price £11,003

PE20 3JN Boston, Lincolnshire

Used (2021) BMW 420 M Sport 190 HP | Fair price

4 SERIES d M Sport Coupe diesel

Fair price

You save £910

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

4 Series Gran Coupe i M Sport 5dr

Fair price

Estimated price £40,198

A trusted partner of AutoUncle with agreed terms and a signed contract, ensuring you're dealing with a legitimate business.

Used (2020) BMW 420 Sport Line 190 HP | A bit pricey

- 4 Series Gran Coupe d [190]

PE216QX, Lincolnshire

A bit pricey

Estimated price £10,276

PE216QX, Lincolnshire

Visit Carwow

Used (2024) BMW 420 M Sport 184 HP | Expensive

4 Series i M Sport Convertible 2.0

Expensive

Estimated price £39,028

BMW 420 - 4 Series Gran Coupe d [190] Luxury 5dr Auto [Professional Media]

Visit Listers.co.uk

Featured deals

Carwow

£13,990

Fair price

You save £110

LN117JD, Lincolnshire

114 g CO2/km comb. - 190 HP (139 kW) - 4.3 Mpg

Carwow

BMW 420 - 4 Series Convertible d [190] M Sport 2dr [Professional Media]

£12,999

Good price

You save £1,401

LN117JD, Lincolnshire

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

heycar

BMW 220 2 Series i M Sport 2dr Step Auto - 2025 (25)

£32,950

Good price

You save £2,850

LN69UH Lincoln, Lincolnshire

146 g CO2/km comb. - 184 HP (135 kW)

heycar

BMW 220 2 Series Gran CoupeM Sport 4dr Step Auto

£31,250

Fair price

You save £750

LN69UH Lincoln, Lincolnshire

168 HP (123 kW)

Used (2021) BMW 420 M Sport 184 HP | Expensive

4 Series Gran Coupe i M Sport 5dr

Expensive

Estimated price £23,998

New (2024) BMW 420 M Sport 180 HP | Super price

4 Series i M Sport 2dr Step Auto

Super price

New (2025) BMW 420 M Sport 180 HP | Good price

4 Series Gran Coupe i M Sport 5dr

Good price

New (2025) BMW 420 M Sport 180 HP | Super price

4 Series Gran Coupe i M Sport 5dr

Super price

Used (2022) BMW 420 M Sport 180 HP | Fair price

4 Series i M Sport 5dr Step

Fair price

Estimated price £30,044

Visit Carsite.co.uk

Used (2025) BMW 420 M Sport 180 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

Estimated price £41,304

New (2024) BMW 420 M Sport 180 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

New (2024) BMW 420 M Sport 180 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

New (2024) BMW 420 M Sport 180 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

Fair price

New (2025) BMW 420 M Sport 180 HP | A bit pricey

4 Series Gran Coupe i M Sport 5dr

A bit pricey

Estimated price £51,596

Audi A5 35 TFSI Black Edition 2dr S Tronic

Featured deals

heycar

£27,635

Fair price

You save £365

VW Arteon 2.0 TSI R-Line 5dr DSG

148 HP (108 kW) - 40.4 Mpg

heycar

£22,500

Fair price

Estimated price £21,786

Audi A5 40 TFSI Sport 2dr Coupe

190 HP (139 kW)

heycar

£15,399

Good price

You save £1,801

VW Arteon 2.0 TSI Elegance (190ps) (s/s)

136 g CO2/km comb. - 188 HP (138 kW)

heycar

£17,995

Good price

You save £1,205

NG317UH Grantham, Lincolnshire

135 g CO2/km comb. - 190 HP (139 kW) - 47.1 Mpg

New (2024) BMW 420 M Sport 180 HP | A bit pricey

4 Series Gran Coupe i M Sport 5dr

A bit pricey

Estimated price £51,596

Used (2025) BMW 420 M Sport 184 HP | Expensive

4 Series Convertible i M Sport 2dr

Expensive

Estimated price £43,487

Used (2024) BMW 420 M Sport 181 HP | Not evaluated

4 Series Gran Coupe i M Sport 5dr

New (2025) BMW 420 M Sport 184 HP | Not evaluated

4 Series i M Sport 5dr Step Auto -

Not evaluated

Visit Carsite.co.uk

BMW 220 2 Series d xDrive Luxury 5dr Step Auto

New (2025) BMW 420 M Sport 180 HP | Not evaluated

4 Series Convertible i M Sport 2dr

Featured deals

heycar

£15,550

Fair price

Estimated price £15,477

NG317DD Grantham, Lincolnshire

190 HP (139 kW) - 57.6 Mpg

heycar

Audi A5 2.0 TFSI Sport 2dr

£12,500

Fair price

You save £100

VW Arteon -2.0 TSI R-Line 5dr DSG

190 HP (139 kW) - 50.0 Mpg

Carwow

Photos coming soon

£14,990

Good price

You save £1,710

LN117JD, Lincolnshire

177 g CO2/km comb. - 190 HP (139 kW) - 7.8 Mpg

heycar

Audi TT 40 TFSI Black Edition 2dr S Tronic

£20,500

Fair price

Estimated price £20,458