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: 41,907 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 41,907 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 13,600 more miles than a typical 2023 BMW 4 Series. The dealer is asking £28,300, which is £780 above the AskCar estimate of £27,520. To work out the AskCar estimate, we analyse UK dealer adverts for 1,810 BMW 4 Series cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Vines of Gatwick BMW in Crawley. 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: £780 (2%) over the AskCar estimate of £27,520.

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

AskCar first saw this 2023 BMW 4 Series advertised today. About 4 in 10 of 2023 BMW 4 Series cars are gone from sale within a month of being advertised: 85 of the 192 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £28,300. 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 10 November 2026: valid until 30 March 2027.

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

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; nearside front tyre has a cut but not deep enough to reach the ply or cords; both front wiper blade slightly smearing.

Mileage at that test: 36,328 miles, which matches the advertised 41,907 miles.

Advertised mileage is about 13,600 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.

Similar cars

31 other 2023 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £25,999 to £33,990, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series M Sport, 2.0 petrol convertible, green. Mileage: 39,783 miles. Price: £32,491, £4,191 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-6a3e095e2aca
• 2023 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 38,094 miles. Price: £30,975, £2,675 more than this car. Dealer: JMV Cars Ltd of Shorne in Gravesend. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-620f2d66ee04
• 2023 BMW 4 Series M Sport, 2.0 petrol convertible, green. Mileage: 46,236 miles. Price: £26,500, £1,800 less than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-60ae0778275c

• The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol convertible, green, 13 miles from this car. Mileage: 13,000 miles. Price: £33,990, £5,690 more than this car. Dealer: James Paul in Horsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-60820fa96357