2023 BMW 4 Series 2.0 420i M Sport

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: 2023
• Mileage: 3,057 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport is advertised with 3,057 miles, approximately 24,900 below the typical mileage for its age. The AskCar estimate for this car is £34,126. It is priced at £34,995, which is £869 above that estimate. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 84 days ago. You can find this car at Sheriff Motors in Edinburgh. 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: £869 (2%) over the AskCar estimate of £34,126.

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 84 days.

Price history

AskCar first saw this advert on 13 August 2026 at £30,395. Its asking price is now £34,995, £4,600 more.

Price changes recorded:

• 13 August 2026: £30,395
• 21 August 2026: £31,395
• 1 September 2026: £34,995

Mileage and MOT

Advertised mileage is about 24,900 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 £33,290, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 11,902 miles. Price: £30,799, £4,196 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-ba622e2824cb
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, green. Mileage: 13,617 miles. Price: £33,290, £1,705 less 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, £5,005 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

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue, 4 miles from this car. Mileage: 29,487 miles. Price: £27,749, £7,246 less than this car. Dealer: Motorpoint Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-4566901b296b