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 2dr Step (181 bhp)
• Year: 2023
• Mileage: 23,966 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 23,966 miles, this 2023 BMW 4 Series M Sport has covered about 4,100 fewer miles than other 2023 BMW 4 Series cars. Priced at £28,898, it is advertised £919 below the AskCar estimate of £29,817. The AskCar estimate uses UK dealer asking prices, including 1,826 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 71 days ago. Its asking price has since fallen by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Kirkcaldy BMW, based in Kirkcaldy. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £919 (3%) under the AskCar estimate of £29,817.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,600: the median of the 89 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW 4 Series has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 27 August 2026 at £28,998. Its asking price is now £28,898, £100 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 27 August 2026: £28,998
• 10 October 2026: £28,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 15 May 2027.

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

Advisories at the latest test: rear brake pad(s) wearing thin; windscreen damaged but not adversely affecting driver's view; front tyre worn close to legal limit/worn on edge n/s/f and o/s/f worn on outer edge; and 1 more.

Mileage at that test: 22,922 miles, which matches the advertised 23,966 miles.

Advertised mileage is about 4,100 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 25,766 miles. Price: £27,998, £900 less than this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-640b592dd4c7
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, green. Mileage: 26,402 miles. Price: £30,799, £1,901 more than this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f27063debffd
• 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 21,400 miles. Price: £27,999, £899 less than this car. Dealer: Lookers in Belfast. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-69f047f84218

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol coupe, white, 6 miles from this car. Mileage: 33,800 miles. Price: £26,995, £1,903 less than this car. Dealer: RDB Car Sales in Burntisland. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f71256691768