2023 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport [Pro Pack] Auto RWD Euro 6 2dr Step (181 bhp)
• Year: 2023
• Mileage: 11,902 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport is advertised with 11,902 miles, approximately 16,100 below the typical mileage for its age. The dealer is asking £30,799, which is £899 below the AskCar estimate of £31,698. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 9 days ago. Its asking price has since fallen by £400. The seller is Fords of Winsford Manchester, based in Manchester. 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

Fair price: £899 (2%) under the AskCar estimate of £31,698.

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 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,900: the median of the 90 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 27 October 2026 at £31,199. Its asking price is now £30,799, £400 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 27 October 2026: £31,199
• 28 October 2026: £31,099
• 29 October 2026: £30,899
• 5 November 2026: £30,799

Mileage and MOT

Advertised mileage is about 16,100 miles lower than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

22 other 2023 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £24,980 to £34,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, green. Mileage: 13,617 miles. Price: £33,290, £2,491 more than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-676f6ebdb7bc
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 13,788 miles. Price: £29,990, £809 less than this car. Dealer: Group 1 Southend BMW in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f34e5b150776
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 15,156 miles. Price: £30,995, £196 more than this car. Dealer: Park's Motor Group Douglas Park BMW Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-b854bdd1cf5c

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol coupe, green, 8 miles from this car. Mileage: 26,402 miles. Price: £30,799, the same price as this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f27063debffd