Friern Barnet: BMW 420 used – 250 cars for sale near you

Market overview: Prices range from £11,795 to £49,934 across all listings

Featured deals

Carwow

Used 2025 BMW 420 M Sport Coupe | £34,627 (Super price)

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Super price

You save £5,373

BR67QR Kent, London

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

Carwow

Used 2024 BMW 420 M Sport Coupe | £29,100 (Super price)

BMW 420 - 4 Series Gran Coupe i M Sport Pro Edition 5dr Step Auto

Super price

You save £5,600

BR67QR Kent, London

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

Carwow

Black Used 2022 BMW 420 M Sport Coupe | £27,698 (Fair price)

BMW 420 4 Series d xDrive MHT M Sport 2dr Step Auto

Fair price

BR67QR Kent, London

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

Carwow

Photos coming soon

Photos coming soon

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Fair price

Estimated price £50,293

BR12NE Bromley, London

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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

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

4 Series d M Sport Convertible 2.0

190 HP (139 kW)

135 g CO2/km comb.

WC1E 7DP London, London

Super price

You save £3,792

WC1E 7DP London, London

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

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

- 4 Series Gran Coupe i M Sport

184 HP (135 kW)

169 g CO2/km comb.

N111GN Barnet, London

Super price

You save £4,150

N111GN Barnet, London

Used (2023) BMW 420 M Sport 181 HP | Good price

4 Series i M Sport Coupe 2.0

181 HP (133 kW)

145 g CO2/km comb.

EN1 1SW Enfield, London

Good price

You save £3,034

EN1 1SW Enfield, London

Visit Bmw.co.uk

Used (2022) BMW 420 M Sport 187 HP | Super price

4 Series d M Sport Convertible 2.0

187 HP (137 kW)

136 g CO2/km comb.

EN1 1SW Enfield, London

Super price

You save £3,600

EN1 1SW Enfield, London

Visit Bmw.co.uk

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

4 Series Gran Coupe 2.0 i GPF M

184 HP (135 kW)

169 g CO2/km comb.

N11 1GN London, London

Good price

You save £2,150

N11 1GN London, London

Visit Motors.co.uk

Used (2024) BMW 420 M Sport | Good price

4 Series i M Sport 5dr Step

E4 7PX Chingford, London

Good price

You save £5,301

E4 7PX Chingford, London

Visit Motors.co.uk

Used (2017) BMW 420 Sport Line | Good price

4 Series d [190] Sport 5dr Auto

N11 1GN London, London

Good price

You save £1,950

N11 1GN London, London

Visit Motors.co.uk

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

4 Series i M Sport 2dr Step

184 HP (135 kW)

159 g CO2/km comb.

WC1E 7DP London, London

Super price

You save £4,028

WC1E 7DP London, London

Visit Bmw.co.uk

Used (2018) BMW 420 M Sport 181 HP | Good price

4 Series i M Sport 2dr Auto

181 HP (133 kW)

WC1E 7DP London, London

Good price

You save £1,305

WC1E 7DP London, London

Visit Desperateseller.co.uk

Used (2018) BMW 420 Sport Line 190 HP | Good price

4 Series 2.0 d Sport Hatchback 5dr

190 HP (139 kW)

NW9 7BN London, London

Good price

You save £1,300

NW9 7BN London, London

Visit Desperateseller.co.uk

Featured deals

Carwow

White Used 2022 BMW 420 M Sport Cabriolet | £25,908 (Super price)

BMW 420 4 Series d M Sport Convertible 2.0 2dr

Super price

You save £3,792

WC1E 7DP London, London

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

Carwow

Photos coming soon

Photos coming soon

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Good price

You save £3,334

SE186SR Woolwich, London

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

Carwow

Used 2022 BMW 420 M Sport Coupe | £23,605 (Fair price)

BMW 420 - 4 Series d MHT M Sport 2dr Step Auto

Fair price

BR67QR Kent, London

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

Carwow

New 2025 BMW 420 M Sport Coupe | £50,175 (Fair price)

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Fair price

BR12NE Bromley, London

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

Used (2019) BMW 420 M Sport 184 HP | Good price

4 Series 2.0 i GPF M Sport

184 HP (135 kW)

EN3 7NJ Enfield, London

Good price

You save £1,450

EN3 7NJ Enfield, London

Visit Desperateseller.co.uk

Used (2015) BMW 420 Comfort Edition | Super price

4 Series d [190] SE 5dr [Business

N11 1NP London, London

Super price

You save £2,000

N11 1NP London, London

Visit Motors.co.uk

Used (2022) BMW 420 M Sport | Good price

4 Series 2.0 i M Sport Auto Euro 6

Middlesex, London

Good price

You save £2,720

Middlesex, London

Visit Exchange and Mart

Used (2020) BMW 420 M Sport 188 HP | Super price

4 Series 2.0 d M Sport Auto xDrive

188 HP (138 kW)

160 g CO2/km comb.

Middlesex, London

Super price

You save £3,121

Middlesex, London

Visit Exchange and Mart

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 | Fair price

- 4 Series Gran Coupe d [190]

190 HP (139 kW)

156 g CO2/km comb.

N111GN Barnet, London

Fair price

Estimated price £12,711

N111GN Barnet, London

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

Used (2019) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport 2dr Auto

184 HP (135 kW)

182 g CO2/km comb.

N111GN Barnet, London

Fair price

Estimated price £18,933

N111GN Barnet, London

Used (2018) BMW 420 M Sport | Fair price

4 Series i M Sport 2dr Auto

E4 7PX Chingford, London

Fair price

Estimated price £18,009

E4 7PX Chingford, London

Visit Motors.co.uk

Used (2018) BMW 420 M Sport | Fair price

4 Series i xDrive M Sport 5dr Auto

HA8 7EE Edgware, London

Fair price

HA8 7EE Edgware, London

Visit Motors.co.uk

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

4 Series 2.0 d M Sport Hatchback

190 HP (139 kW)

HA8 0AP Edgware, London

Fair price

HA8 0AP Edgware, London

Visit Desperateseller.co.uk

Used (2016) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i M Sport Coupe 2dr

184 HP (135 kW)

NW10 4TE London, London

Fair price

NW10 4TE London, London

Visit Desperateseller.co.uk

Featured deals

Carwow

New 2025 BMW 420 M Sport Coupe | £49,934 (Fair price)

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Fair price

SE186SR Woolwich, London

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

Carwow

Photos coming soon

Photos coming soon

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

Good price

You save £2,756

BR12NE Bromley, London

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

Carwow

Used 2020 BMW 420 M Sport Cabriolet | £13,561 (Super price)

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

Super price

You save £4,139

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

Carwow

Used 2014 BMW 420 Sport Line Coupe | £10,976 (Good price)

BMW 420 - 4 Series i xDrive Sport 2dr Auto

Good price

You save £1,124

149 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Used (2016) BMW 420 M Sport 190 HP | Fair price

4 Series 2.0 d M Sport Hatchback

190 HP (139 kW)

HA1 4QB Harrow, London

Fair price

HA1 4QB Harrow, London

Visit Desperateseller.co.uk

Used (2018) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i GPF M Sport

184 HP (135 kW)

HA9 8NF Wembley, London

Fair price

HA9 8NF Wembley, London

Visit Desperateseller.co.uk

Used (2021) BMW 420 M Sport 184 HP | A bit pricey

4 Series i M Sport 2dr Step

184 HP (135 kW)

HA0 4LU Wembley, London

A bit pricey

Estimated price £22,113

HA0 4LU Wembley, London

Visit Motors.co.uk

Used (2021) BMW 420 M Sport 181 HP | Expensive

4 Series i M Sport Coupe 2.0

181 HP (133 kW)

146 g CO2/km comb.

EN1 1SW Enfield, London

Expensive

Estimated price £24,532

EN1 1SW Enfield, London

Visit Bmw.co.uk

Used (2020) BMW 420 M Sport 184 HP | Expensive

4 Series i M Sport 2dr Step

184 HP (135 kW)

152 g CO2/km comb.

WC1E 7DP London, London

Expensive

Estimated price £22,139

WC1E 7DP London, London

Visit Bmw.co.uk

Featured deals

Carwow

Used 2021 BMW 420 M Sport Coupe | £17,750 (Super price)

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Auto [Professional Media]

Super price

You save £4,150

N111GN Barnet, London

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

Carwow

Used 2020 BMW 420 M Sport Cabriolet | £17,520 (Good price)

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

Good price

You save £1,880

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

Carwow

Used 2021 BMW 420 M Sport Coupe | £14,466 (Super price)

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Auto [Professional Media]

Super price

You save £3,834

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

Carwow

Grey Used 2020 BMW 420 M Sport Coupe | £19,075 (Fair price)

BMW 420 4 Series d [190] xDrive M Sport 2dr Auto [Prof Media]

Fair price

Estimated price £18,299

BR67QR Kent, London

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

Showing 1 - 25 of 125 results

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive