2025 BMW 4 Series 2.0 420i M Sport

Price: £41,879. Above the going rate: £3,969 (10%) over the AskCar estimate of £37,910, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,833 priced BMW 4 Series adverts on AskCar as of 5 November 2026.

AskCar lists 1,879 used BMW 4 Series from 1,081 UK dealerships, as of 5 November 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)
  • Year: 2025
  • Mileage: 8,380 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 169 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2025 BMW 4 Series M Sport is 8,380 miles. Its asking price of £41,879 is £3,969 above the AskCar estimate of £37,910. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 32 days ago, the asking price has dropped by £1,620. The seller is Halliwell Jones Warrington BMW, based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,969 (10%) over the AskCar estimate of £37,910.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2025 BMW 4 Series with the 2.0 petrol engine is typically advertised at £37,500: the median of the 51 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2025 BMW 4 Series has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 4 October 2026 at £43,499. Its asking price is now £41,879, £1,620 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

  • 4 October 2026: £43,499
  • 16 October 2026: £42,655
  • 1 November 2026: £41,879

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 900 miles higher than the median mileage of a 2025 BMW 4 Series on AskCar.

Similar cars

20 other 2025 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £37,440 to £43,771, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2025 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 8,294 miles. Price: £41,995, £116 more than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-a17639eed5dd
  • 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 8,027 miles. Price: £40,999, £880 less than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-bce0ff9f3768
  • 2025 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 8,743 miles. Price: £42,750, £871 more than this car. Dealer: JKC BMW in Coleraine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-3f1c0633ad2e

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

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Photos

20 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.