2023 BMW 4 Series Gran Coupe 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 5dr Step (181 bhp)
• Year: 2023
• Mileage: 25,307 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport is advertised with 25,307 miles, approximately 2,800 below the typical mileage for its age. The AskCar estimate for this car is £28,768. It is priced at £29,099, which is £331 above that estimate. The AskCar estimate uses 1,177 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Oldbury, based in Oldbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £331 (1%) over the AskCar estimate of £28,768.

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 1,177 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 11 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £28,700: the median of the 68 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2023 BMW 4 Series Gran Coupe advertised today. About half of 2023 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 74 of the 140 first advertised between 13 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £29,099. 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 11 November 2026: valid until 24 October 2027.

It failed its MOT on 12 October 2026 (windscreen washer provides insufficient washer liquid; windscreen damaged but not adversely affecting driver's view; nearside front road wheel fixing missing) and passed later the same day.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 25,275 miles, which matches the advertised 25,307 miles.

Advertised mileage is about 2,800 miles lower than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

24 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £23,350 to £33,498, as of 11 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 25,449 miles. Price: £30,498, £1,399 more than this car. Dealer: Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-8c8c564486ff
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 25,600 miles. Price: £27,299, £1,800 less than this car. Dealer: cinch in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-db7133f4bffd
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, grey. Mileage: 23,000 miles. Price: £28,999, £100 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-2fcb9a4a95a9

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white, under a mile from this car. Mileage: 20,299 miles. Price: £28,199, £900 less than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0118b3df6cfc