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 RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2023
• Mileage: 33,100 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 33,100 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 5,100 more miles than a typical 2023 BMW 4 Series. Priced at £25,990, it is advertised £3,121 below the AskCar estimate of £29,111. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. We first recorded this car for sale 33 days ago. The government's MOT record matches its advertised mileage. It is for sale at S James Prestige in Stamford. 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

Good value: £3,121 (10%) under the AskCar estimate of £29,111.

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 petrol 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 33 days.

Price history

AskCar first saw this advert on 3 October 2026 at £25,990. 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 14 April 2027.

It has had one MOT, on 15 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 31,008 miles, which matches the advertised 33,100 miles.

Advertised mileage is about 5,100 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 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 32,799 miles. Price: £29,000, £3,010 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-4fb0a4ecc24d
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 33,800 miles. Price: £26,995, £1,005 more than this car. Dealer: RDB Car Sales in Burntisland. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f71256691768
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 31,766 miles. Price: £26,250, £260 more than this car. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-93e7d14e94db

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol coupe, white, 46 miles from this car. Mileage: 39,899 miles. Price: £24,980, £1,010 less than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-200000c3827f