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: 33,800 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series M Sport has covered 33,800 miles, around 5,500 more miles than is typical for its age. The dealer is asking £26,995, which is £1,746 below the AskCar estimate of £28,741. To work out the AskCar estimate, we analyse UK dealer adverts for 1,810 BMW 4 Series cars across different ages and specifications. The asking price is now £365 lower than when we first recorded the advert 65 days ago. Its advertised mileage matches the government's MOT record. It is for sale at RDB Car Sales in Burntisland. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,746 (6%) under the AskCar estimate of £28,741.

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 1,810 priced BMW 4 Series adverts across different ages and specifications, as of 10 November 2026.

A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,600: the median of the 85 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 65 days.

Price history

AskCar first saw this advert on 6 September 2026 at £27,360. Its asking price is now £26,995, £365 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 6 September 2026: £27,360
• 18 October 2026: £26,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 12 January 2027.

It failed its MOT on 9 January 2026 (nearside front outer tyre has a bulge, caused by separation or partial failure of its structure side wall) and passed 3 days later, on 12 January 2026.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge uneven wear.

Mileage at that test: 28,847 miles, which matches the advertised 33,800 miles.

Advertised mileage is about 5,500 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

21 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 10 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 33,100 miles. Price: £25,980, £1,015 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-4deef9a887a9
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 34,650 miles. Price: £28,490, £1,495 more than this car. Dealer: MINI UK at Stratstone Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f60f748819c9
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 31,766 miles. Price: £26,248, £747 less 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, black, 6 miles from this car. Mileage: 23,966 miles. Price: £28,898, £1,903 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-0b290ac911d6