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 4WD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2023
• Mileage: 29,487 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport is advertised with 29,487 miles on the clock. The AskCar estimate for this car is £29,437. It is priced at £27,749, which is £1,688 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,826 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 15 days ago. Its asking price has since fallen by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Edinburgh, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,688 (5%) under the AskCar estimate of £29,437.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,600: the median of the 89 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 22 October 2026 at £28,849. Its asking price is now £27,749, £1,100 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 22 October 2026: £28,849
• 23 October 2026: £27,749
• 28 October 2026: £27,799
• 3 November 2026: £27,749

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 23 May 2027.

It has had one MOT, on 21 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 26,011 miles, which matches the advertised 29,487 miles.

Advertised mileage is about 1,400 miles higher 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 6 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 27,970 miles. Price: £26,995, £754 less than this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-41b2d29a83bf
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 31,766 miles. Price: £26,250, £1,499 less than this car. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-93e7d14e94db
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 26,700 miles. Price: £29,990, £2,241 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-76e75ca88839

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue, 4 miles from this car. Mileage: 3,057 miles. Price: £34,995, £7,246 more than this car. Dealer: Sheriff Motors in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-e94db84df712