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: £42,498. Fair price: £2,738 (6%) over the AskCar estimate of £39,760, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,747 priced BMW 4 Series adverts on AskCar as of 30 October 2026.
AskCar lists 1,781 used BMW 4 Series from 1,037 UK dealerships, as of 30 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
- 3,791 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
- Green
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
This 2025 BMW 4 Series M Sport is advertised with 3,791 miles, approximately 3,600 below the typical mileage for its age. Priced at £42,498, it is advertised £2,738 above the AskCar estimate of £39,760. The AskCar estimate uses 1,747 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The seller is Ocean Plymouth, based in Plymouth.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £42,498 |
Price and mileage comparison
Fair price: £2,738 (6%) over the AskCar estimate of £39,760.
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 1,747 priced BMW 4 Series adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 3,600 miles lower than the median mileage of a 2025 BMW 4 Series on AskCar.
MOT
MOT: first test not yet due.
Other matching cars
49 other 2025 BMW 4 Series M Sport automatic petrol cars are for sale at UK dealers from £33,000 to £44,995, as of 30 October 2026.
The 5 cheapest:
- 2025 BMW 4 Series. Price: £33,000. Mileage: 9,350 miles. Dealer: Sytner Coventry BMW in Coventry. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-0906d72dac71
- 2025 BMW 4 Series. Price: £33,750. Mileage: 9,348 miles. Dealer: The Country Garage in Ballymena. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-4715b08eb078
- 2025 BMW 4 Series. Price: £34,775. Mileage: 9,181 miles. Dealer: Stratstone Bmw Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-2f8dc9ce63d6
- 2025 BMW 4 Series. Price: £35,275. Mileage: 9,121 miles. Dealer: Stratstone Bmw Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-2e831ec787a1
- 2025 BMW 4 Series. Price: £35,440. Mileage: 5,000 miles. Dealer: Bowker BMW Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-60acedf1d421
The 49 matching cars have covered 1,146 to 15,184 miles, compared with 3,791 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
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.