2023 BMW 4 Series 3.0 430d MHT M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 430d MHT M Sport Auto RWD Euro 6 (s/s) 2dr (282 bhp)
• Year: 2023
• Mileage: 31,295 miles
• Fuel: Diesel, mild hybrid
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport is advertised with 31,295 miles, approximately 3,000 above the typical mileage for its age. Its asking price of £30,390 is £1,415 below the AskCar estimate of £31,805. The AskCar estimate uses 1,814 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Bmw Derby, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,415 (4%) under the AskCar estimate of £31,805.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW 4 Series with the 3.0 diesel engine is typically advertised at £36,500: the median of the 39 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 26 September 2026 at £30,990. Its asking price is now £30,390, £600 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 26 September 2026: £30,990
• 27 September 2026: £31,999
• 3 October 2026: £31,695
• 9 October 2026: £31,499
• 16 October 2026: £30,790
• 23 October 2026: £30,695
• 27 October 2026: £30,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 4 February 2027.

It failed its MOT on 4 February 2026 (nearside rear tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 5 February 2026.

There were no advisories at the latest test.

Mileage at that test: 24,773 miles, which matches the advertised 31,295 miles.

Advertised mileage is about 3,000 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

3 other 2023 BMW 4 Series M Sport 3.0 diesel automatic convertibles are for sale at UK dealers, from £24,990 to £28,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 42,657 miles. Price: £28,995, £1,395 less than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-2e6da088f19b
• 2023 BMW 4 Series M Sport, 3.0 diesel convertible, black. Mileage: 50,650 miles. Price: £27,495, £2,895 less than this car. Dealer: V12 Sports & Classics Ltd - Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-e987c0919e4f
• 2023 BMW 4 Series M Sport, 3.0 diesel convertible, grey. Mileage: 75,000 miles. Price: £24,990, £5,400 less than this car. Dealer: Benz Bavarian in Derby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-54919d890a84