2025 BMW 4 Series 2.0 420i M Sport

Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)

Price: £41,495. Fair price: £2,759 (7%) over the AskCar estimate of £38,736, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,775 priced BMW 4 Series adverts on AskCar as of 31 October 2026.

AskCar lists 1,813 used BMW 4 Series from 1,042 UK dealerships, as of 31 October 2026.

Overview

Make
BMW
Model
4 Series
Trim
M Sport
Version
2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
Mileage
7,506 miles
Year
2025
Fuel type
Petrol
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
169 g/km
Colour
Blue
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

The advertised mileage for this 2025 BMW 4 Series M Sport is 7,506 miles. Its asking price of £41,495 is £2,759 above the AskCar estimate of £38,736. The AskCar estimate uses 1,775 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 59 days ago. Its asking price has since fallen by £5,000. The seller is Group 1 Hailsham BMW, based in Hailsham.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 2 September 2026, 59 days ago. Price reduced by £5,000 from £46,495 since AskCar first saw it. 6 price reductions recorded, the latest seen on 31 October 2026.

Recorded asking prices
Date observedAsking price
2 September 2026£46,495
6 September 2026£45,995
11 September 2026£45,695
18 September 2026£45,495
25 September 2026£44,995
29 September 2026£44,295
31 October 2026£41,495

Price and mileage comparison

Fair price: £2,759 (7%) over the AskCar estimate of £38,736.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,775 priced BMW 4 Series adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 100 miles higher than the median mileage of a 2025 BMW 4 Series on AskCar.

MOT

MOT: first test not yet due.

Other matching cars

51 other 2025 BMW 4 Series M Sport automatic petrol cars are for sale at UK dealers from £33,000 to £43,771, as of 31 October 2026.

The 5 cheapest:

The 51 matching cars have covered 1,500 to 19,453 miles, compared with 7,506 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BMW 4 Series cars for sale · 2025 BMW 4 Series price guide

More like this

Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.