2025 BMW 4 Series 2.0 420i M Sport

Price: £36,500. Fair price: £2,299 (5%) under the AskCar estimate of £38,799, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,805 priced BMW 4 Series adverts on AskCar as of 9 November 2026.

AskCar lists 1,862 used BMW 4 Series from 1,077 UK dealerships, as of 9 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Trim: M Sport
  • Version: 2.0 420i M Sport [Tech/Pro Pack] Auto RWD Euro 6 2dr Step (181 bhp)
  • Year: 2025
  • Mileage: 5,423 miles
  • Fuel: Petrol
  • Body: 2 doors, 4 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BMW 4 Series M Sport is advertised with 5,423 miles, approximately 2,100 below the typical mileage for its age. Its asking price of £36,500 is £2,299 below the AskCar estimate of £38,799. The AskCar estimate uses UK dealer asking prices, including 1,805 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 60 days ago. Its asking price has since fallen by £2,000. The seller is Sytner Luton BMW, based in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Sytner Luton BMW is rated 4.2 out of 5 on Google.

Price

Fair price: £2,299 (5%) under the AskCar estimate of £38,799.

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 1,805 priced BMW 4 Series adverts across different ages and specifications, as of 9 November 2026.

A 2025 BMW 4 Series with the 2.0 petrol engine is typically advertised at £37,500: the median of the 52 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2025 BMW 4 Series has been on sale for at least 60 days.

Price history

AskCar first saw this advert on 10 September 2026 at £38,500. Its asking price is now £36,500, £2,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 10 September 2026: £38,500
  • 26 September 2026: £38,450
  • 10 October 2026: £38,290
  • 17 October 2026: £38,000
  • 24 October 2026: £37,650
  • 30 October 2026: £36,500

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,100 miles lower than the median mileage of a 2025 BMW 4 Series on AskCar.

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

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Photos

21 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.