2023 BMW 4 Series 2.0 420d MHT M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d MHT M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2023
• Mileage: 54,000 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 54,000 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 26,000 more miles than a typical 2023 BMW 4 Series. Its asking price of £25,000 is £376 below the AskCar estimate of £25,376. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. It first appeared in our advert records 6 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Swale Auto Sales II in Brompton On Swale. 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: £376 (1%) under the AskCar estimate of £25,376.

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 diesel engine is typically advertised at £29,900: the median of the 90 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 BMW 4 Series advertised 6 days ago. About 4 in 10 of 2023 BMW 4 Series cars are gone from sale within a month of being advertised: 81 of the 182 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £25,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 1 March 2027.

It has had one MOT, on 2 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 43,616 miles, which matches the advertised 54,000 miles.

Advertised mileage is about 26,000 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

8 other 2023 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £24,282 to £29,895, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 58,269 miles. Price: £24,282, £718 less than this car. Dealer: Vertu BMW Bridgwater in Bridgwater. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-ba0626acdb60
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 44,201 miles. Price: £25,650, £650 more than this car. Dealer: Group 1 Chelmsford BMW in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-7075b83ab61f
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 36,794 miles. Price: £27,395, £2,395 more than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-87f76e144b10

• The nearest: 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black, 61 miles from this car. Mileage: 32,409 miles. Price: £25,995, £995 more than this car. Dealer: RRG OMODA/Jaecoo Bury in Bury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-d0921a6369b3