Should your next car be the impressive BMW 420?

BMW 420 offers fantastic driving comfort and its design has received numerous awards. At AutoUncle, we've assembled an impressive collection of 1,733 used BMW 420 cars in the UK gathered from numerous dealership websites and online marketplaces.

What should I pay for a used BMW 420?

A used BMW 420 costs between £8,950 for the cheapest variant and £43,789 for the most expensive model. The popular BMW 420 is being offered at different prices depending on primarily five factors: manufacturing year, engine size and performance, fuel efficiency of the car, vehicle mileage not to mention the equipment level of the car. For instance, a car that is newer and has fewer miles on the clock will typically command a higher price. In the same vein, models at the higher end, replete with luxurious features or more robust engines, generally come with a more substantial price tag than a used model with many kilometres on the odometer and in a simple equipment variant.

What equipment packages does the BMW 420 offer?

The BMW 420 presents a wide variety of trim configurations to cater to different driving tastes and requirements. The most popular ones are: BMW 420 M Sport : Right now you will find 1,574 cars for sale at an average price of £22,887 BMW 420 Sport Line : Here you will find 86 cars for sale at an average price of £12,438 BMW 420 Luxury Line : 29 cars for sale at an average price of £10,747 BMW 420 Comfort Edition : 28 cars for sale at an average price of £12,196 BMW 420 Performance : 3 cars for sale at an average price of £12,810 BMW 420 Impressive : 2 cars for sale at an average price of £9,872 When examining the market value of a used BMW 420, it's imperative to examine vehicles that have the same engines and features. Otherwise, you might draw an inaccurate conclusion about which car to purchase.

How many different fuel types can I choose from for the BMW 420?

The primary energy source for the BMW 420 is petrol. Compare fuel types for BMW 420: BMW 420 petrol : 908 cars currently available with an average price of £27,458 BMW 420 diesel : 802 cars currently available with an average price of £15,373 BMW 420 plug-in hybrid : Currently there is 23 cars available on AutoUncle with an average price of £28,998 We advocate for a careful review of your driving habits before you commit to a fuel type. Is your driving mainly in the city or on long stretches of open roads and motorways? What's your typical weekly driving distance? For short journeys, electric cars, plug-in hybrids or petrol cars are obvious choices. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Diesel cars may still be relevant in some cases with very long journeys and lack of charging options. Consider that in many countries, cities have banned the entry of diesel engines with high emissions.

Does the BMW 420 have multiple body styles?

The BMW 420 is available in several body types, but the most popular version is coupe. The coupe as a body type prioritises style and sporty driving. Compared to a sedan or an SUV, the chassis tends to be tighter and stronger. This body type is mostly for people without children, who usually travel light. This style is often more expensive than equivalent sedan or hatchback sister models.

What is the price difference between different body types for BMW 420?

BMW 420 coupe : 1,212 cars - average price £21,709 BMW 420 cabriolet : 301 cars - average price £25,604 BMW 420 hatchback](https://www.autouncle.co.uk/en-gb/used-cars/BMW/420/b-hatchback): 207 cars - average price £17,408 BMW 420 sedan : 7 cars - average price £22,625

Which models are comparable to BMW 420?

While being particularly popular, the German BMW 420 has some competitors. Alternative cars to the BMW 420 Audi TT Mazda MX5 BMW Z4 The Audi TT is a strong alternative to the BMW 420. With an average sales price of £13,990 you'll currently discover a substantial selection of 1,042 of these cars available for purchase on AutoUncle. The Mazda MX5 is a strong option in this segment, with 689 cars currently for sale on AutoUncle and an average price of £14,695. The BMW Z4 comes in as the third most popular choice with an average sales price of £16,950 and 551 car for sale at the moment in the UK.

In pursuit of a more sustainable counterpart to the BMW 420?

Considering something greener than the BMW 420? Check out these electric alternatives from the same segment:: Porsche Taycan Ford Capri Porsche Taycan 4S Haven't found an electric car that resonates with you? Review our entire selection of electric cars here.

Which BMW 420 is cheapest?

Based on market data, the Basis is the cheapest variant with an average price of £5,995

Which BMW 420 variant is the most popular?

Based on market data, the M Sport is the most popular variant with 1381 cars currently for sale.

Which BMW 420 variant is best at keeping its market value?

Based on market data, the M Sport has held its market value the best over the past 12 months.

Page 20 of 61:

BMW 420 used • 1,490 cars price-checked by AutoUncle

Featured deals

Carwow

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

£25,799

Good price

You save £2,401

B65SU Birmingham, West Midlands

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

Carwow

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

£27,599

Fair price

You save £701

NP194SS

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

Carwow

BMW 420 d M Sport Coupe

£24,761

Fair price

You save £339

NE360BQ, Tyne and Wear

122 g CO2/km comb. - 190 HP (139 kW) - 60.1 Mpg

Carwow

BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£30,350

Super price

You save £5,450

CM13BH Chelmsford, Essex

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

-24%

1 / 3

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

4 Series d [190] M Sport 5dr Auto

Sep 2019
54,105 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 47.9
Details

Fair price

£17,500

£23,250

Dealer

WC1E 7DP London, London

View the car

Availability verified

-34%

1 / 4

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

d xDrive M Sport Coupe

Mar 2019
64,314 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
mpg: 44.1
CO2: 136 g CO2/km comb.
Details

Fair price

£16,950

£25,748

Dealer

CM25PG Chelmsford, Essex

View the car

Availability verified

-3%

1 / 4

Used (2015) BMW 420 Luxury Line | Fair price

4 Series d Luxury 2dr

2015
39,600 miles
Trim level: Luxury Line
2.0L Diesel
Cabriolet
Manual
Details

Fair price

£12,495

£12,995

Dealer

PR1 9XD Penwortham, Lancashire

View the car

Availability verified

-1%

1 / 4

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

4 Series Gran Coupe i M Sport 5dr

2022
21,937 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
180 HP (132 kW)
Details

Fair price

£29,500

£30,000

Dealer

Delivered to you

View the car

Availability verified

1 / 3

Used (2023) BMW 420 M Sport 180 HP | Fair price

4 Series Gran Coupe i M Sport 5dr

2023
9,750 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
180 HP (132 kW)
Details

Fair price

£33,750

£34,000

Dealer

Delivered to you

View the car

Availability verified

-3%

1 / 4

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

4 Series SERIES d [190] M Sport

2016
44,980 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
Details

Fair price

£15,122

£15,626

Dealer

Delivered to you

View the car

Availability verified

Used (2022) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport Coupe

2022
16,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 42.8
CO2: 150 g CO2/km comb.
Details

Fair price

£28,762

£28,392

Dealer

Delivered to you

View the car

Availability verified

New

1 / 4

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2022
11,889 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 44.1
CO2: 146 g CO2/km comb.
Details

Fair price

£29,800

Dealer

KT6 5PZ Long Ditton, Surrey

View the car

Availability verified

-1%

Used (2022) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport Convertible 2.0

2022
23,616 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
mpg: 40.4
CO2: 160 g CO2/km comb.
Details

Fair price

£29,193

£29,652

Dealer

PO3 5FF Portsmouth, Hampshire

View the car

Availability verified

-2%

1 / 4

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2022
34,442 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 44.1
CO2: 146 g CO2/km comb.
Details

Fair price

£26,590

£27,295

Dealer

NE28 9ND Wallsend, Tyne and Wear

View the car

Availability verified

Featured deals

Carwow

BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£30,900

Super price

You save £5,400

CM13BH Chelmsford, Essex

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

Carwow

BMW 420 4 Series d MHT M Sport 5dr Step Auto

£26,350

Fair price

Estimated price £26,283

WD33RT Watford, Hertfordshire

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

Carwow

BMW 420 4 Series d xDrive MHT M Sport 5dr Step Auto

£29,699

Fair price

Estimated price £28,793

EH151BT

138 g CO2/km comb. - 190 HP (139 kW) - 5.3 Mpg

Carwow

BMW 420 4 Series i xDrive M Sport 2dr Step Auto

£25,295

Fair price

You save £205

S802QD Hinckley, Nottinghamshire

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

-1%

1 / 4

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2022
21,088 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 44.1
CO2: 146 g CO2/km comb.
Details

Fair price

£27,000

£27,500

Dealer

RM3 0GX Romford, London

View the car

Availability verified

-1%

1 / 4

Used (2025) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2025
5,232 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 40.4
CO2: 159 g CO2/km comb.
Details

Fair price

£39,490

£39,985

Dealer

BL3 2NB Bolton, Manchester

View the car

Availability verified

-1%

1 / 3

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Convertible 2.0

2022
28,103 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
mpg: 40.4
CO2: 160 g CO2/km comb.
Details

Fair price

£29,499

£29,999

Dealer

SK9 3PB Wilmslow, Cheshire

View the car

Availability verified

-9%

1 / 4

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

4 Series i M Sport 2dr Step Auto

2025
3,235 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
mpg: 42.2
Details

Fair price

£44,274

£48,800

Dealer

Delivered to you

View the car

Availability verified

-38%

1 / 3

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

4 Series i M Sport Convertible 2.0

2021
11,821 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
mpg: 41.5
CO2: 160 g CO2/km comb.
Details

Fair price

£28,741

£46,990

Dealer

Delivered to you

View the car

Availability verified

-1%

1 / 3

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

4 Series 2.0 i M Sport Coupe 2dr

2021
29,417 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Fair price

£26,995

£27,495

Dealer

BH14 9AN Poole, Dorset

View the car

Availability verified

-1%

1 / 4

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

4 Series Gran Coupe 2.0 i GPF M

2019
38,766 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Fair price

£17,499

£17,699

Dealer

NE8 4AP Gateshead, Tyne and Wear

View the car

Availability verified

-7%

1 / 4

Used (2021) BMW 420 M Sport | Fair price

4 Series i M Sport 5dr Step

2021
24,535 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£25,649

£27,599

Dealer

G32 9QA Glasgow

View the car

Availability verified

-6%

1 / 3

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

4 Series Gran Coupe 2.0 d M Sport

2016
116,801 miles
Trim level: M Sport
2.0L Diesel
Coupe
Manual
190 HP (139 kW)
Details

Fair price

£8,440

£8,990

Dealer

PE3 7PR Peterborough, Cambridgeshire

View the car

Availability verified

-4%

1 / 4

Used (2018) BMW 420 M Sport 190 HP | Fair price

4 Series 2.0 d M Sport Coupe 2dr

2018
95,000 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
190 HP (139 kW)
Details

Fair price

£12,350

£12,950

Dealer

SS4 1NE Rochford, Essex

View the car

Availability verified

Featured deals

Carwow

BMW 420 4 SERIES DIESEL CONVERTIBLE d MHT M Sport 2dr Step Auto [ Comfort Package , Steering Wheel - Heated , M Sport Pro Package , Wind deflector ]

£24,199

Good price

You save £1,301

CW73AL, Cheshire

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

Carwow

BMW 420 4 Series D M SPORT

£23,500

Fair price

Estimated price £23,097

ME59QG, Kent

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

Carwow

BMW 420 4 SERIES DIESEL CONVERTIBLE d MHT M Sport 2dr Step Auto [ Comfort Package , Park assist pack , Wind Deflector , Bluetooth hands free facility with USB audio interface with audio streaming ]

£25,699

Fair price

Estimated price £25,319

CW73AL, Cheshire

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

Carwow

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

£27,950

Super price

You save £3,550

RH123ZG, West Sussex

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

-27%

1 / 3

Used (2022) BMW 420 M Sport | Fair price

4 Series i M Sport Step Auto

2022
75,792 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£20,697

£28,697

Dealer

LN5 8NU Lincoln, Lincolnshire

View the car

Availability verified

-2%

1 / 4

Used (2022) BMW 420 M Sport | Fair price

4 Series Gran Coupe 2.0 i M Sport

2022
64,486 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£25,791

£26,491

Dealer

NG7 7JT Nottingham, Nottinghamshire

View the car

Availability verified

-5%

1 / 4

Used (2017) BMW 420 M Sport | Fair price

4 Series d [190] M Sport 2dr Auto

2017
49,680 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
Details

Fair price

£14,990

£15,790

Dealer

PE6 7UX Peterborough, Cambridgeshire

View the car

Availability verified

New

1 / 4

Used (2018) BMW 420 M Sport | Fair price

4 Series i M Sport 5dr Auto

2018
56,000 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£14,440

Dealer

NW9 9RL London, London

View the car

Availability verified

1 / 4

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

4 Series d xDrive M Sport Coupe

2022
24,552 miles
Trim level: M Sport
2.0L Diesel
Coupe
Automatic
187 HP (137 kW)
mpg: 54.3
CO2: 137 g CO2/km comb.
Details

Fair price

£29,000

Dealer

IG10 3UE Loughton, Essex

View the car

Availability verified

Featured deals

Carwow

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

£24,350

Good price

You save £1,850

WD33RT Watford, Hertfordshire

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

Carwow

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

£23,697

Fair price

Estimated price £22,808

LN58NU Lincoln, Lincolnshire

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

Carwow

BMW 420 4 Series 2.0 d MHT M Sport Auto xDrive Euro 6 (s/s) 2dr REVERSE CAMERA HEATED SEATS Coupe

£23,495

Super price

You save £3,505

WV100AF Hinckley, West Midlands

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

Carwow

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

£18,845

Fair price

Estimated price £18,617

BL22BL Bolton, Manchester

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

Showing 476 - 500 of 1,502 results

All body types for BMW 420

Convertible

305 cars

Coupe

1,101 cars

Hatchback

72 cars

Saloon

4 cars

Page 20 of 61:

BMW 420 used • 1,490 cars price-checked by AutoUncle

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

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

Used (2015) BMW 420 Luxury Line | Fair price

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

Used (2023) BMW 420 M Sport 180 HP | Fair price

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

Used (2022) BMW 420 M Sport 184 HP | Fair price

Used (2022) BMW 420 M Sport 181 HP | Fair price

Used (2022) BMW 420 M Sport 184 HP | Fair price

Used (2022) BMW 420 M Sport 181 HP | Fair price

Used (2022) BMW 420 M Sport 181 HP | Fair price

Used (2025) BMW 420 M Sport 181 HP | Fair price

Used (2022) BMW 420 M Sport 181 HP | Fair price

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

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

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

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

Used (2021) BMW 420 M Sport | Fair price

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

Used (2018) BMW 420 M Sport 190 HP | Fair price

Used (2022) BMW 420 M Sport | Fair price

Used (2022) BMW 420 M Sport | Fair price

Used (2017) BMW 420 M Sport | Fair price

Used (2018) BMW 420 M Sport | Fair price

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

All body types for BMW 420

All regions for BMW 420

All fuel types for BMW 420

All gear types for BMW 420