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 Euro 6 (s/s) 2dr (187 bhp)
• Year: 2023
• Mileage: 36,794 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport is advertised with 36,794 miles, approximately 8,800 above the typical mileage for its age. The dealer is asking £27,395, which is £220 below the AskCar estimate of £27,615. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. Since we first spotted the advert 37 days ago, the asking price has dropped by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Park's Motor Group Douglas Park BMW Hamilton, based in Hamilton. 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: £220 (under 1%) under the AskCar estimate of £27,615.

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

This 2023 BMW 4 Series has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 29 September 2026 at £27,495. Its asking price is now £27,395, £100 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 29 September 2026: £27,495
• 29 October 2026: £27,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 February 2027.

It has had one MOT, on 10 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 30,017 miles, which matches the advertised 36,794 miles.

Advertised mileage is about 8,800 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: 32,961 miles. Price: £27,499, £104 more than this car. Dealer: Halliwell Jones North Wales BMW in Conwy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-cb0d4ade8ee3
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 32,409 miles. Price: £25,995, £1,400 less than this car. Dealer: RRG OMODA/Jaecoo Bury in Bury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-d0921a6369b3
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 32,039 miles. Price: £27,299, £96 less than this car. Dealer: HPL Wirral in Bromborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-16eea750eb3e

• The nearest: 2023 BMW 4 Series M Sport, 2.0 diesel coupe, white, 6 miles from this car. Mileage: 30,223 miles. Price: £24,749, £2,646 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-6cf1fa584d4d