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: 30,223 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport has covered 30,223 miles. The AskCar estimate for this car is £28,956. It is priced at £24,749, which is £4,207 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. Since we first spotted the advert 35 days ago, the asking price has dropped by £2,400. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Glasgow, based in Glasgow. 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

Good value: £4,207 (14%) under the AskCar estimate of £28,956.

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 2.0 diesel engine is typically advertised at £29,900: the median of the 90 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £27,149. Its asking price is now £24,749, £2,400 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 30 September 2026: £27,149
• 3 October 2026: £25,699
• 10 October 2026: £25,449
• 17 October 2026: £25,099
• 24 October 2026: £24,799
• 31 October 2026: £24,749

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 30 March 2027.

It has had one MOT, on 30 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 26,125 miles, which matches the advertised 30,223 miles.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

7 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 32,039 miles. Price: £27,299, £2,550 more than this car. Dealer: HPL Wirral in Bromborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-16eea750eb3e
• 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 32,409 miles. Price: £25,995, £1,246 more 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, black. Mileage: 32,961 miles. Price: £27,499, £2,750 more than this car. Dealer: Halliwell Jones North Wales BMW in Conwy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-cb0d4ade8ee3

• The nearest: 2023 BMW 4 Series M Sport, 2.0 diesel coupe, black, 6 miles from this car. Mileage: 36,794 miles. Price: £27,395, £2,646 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