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 (s/s) 5dr (181 bhp)
• Year: 2023
• Mileage: 35,510 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Green
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,510 miles, this 2023 BMW 4 Series Gran Coupe M Sport has covered about 7,400 more miles than other 2023 BMW 4 Series Gran Coupe cars. The AskCar estimate for this car is £27,857. It is priced at £27,000, which is £857 below that estimate. The AskCar estimate uses 1,174 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 15 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at MB Brent Park in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £857 (3%) under the AskCar estimate of £27,857.

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 1,174 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 7 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £29,000: the median of the 63 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2023 BMW 4 Series Gran Coupe has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 23 October 2026 at £27,000. 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 7 November 2026: valid until 29 April 2027.

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

There were no advisories at the latest test.

Mileage at that test: 22,833 miles, which matches the advertised 35,510 miles.

Advertised mileage is about 7,400 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

30 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £22,995 to £32,490, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 36,776 miles. Price: £28,501, £1,501 more than this car. Dealer: Hedin Automotive Blackheath BMW in Blackheath. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-9bffc9b1b353
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 37,301 miles. Price: £27,499, £499 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-26e48c8e4860
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 32,700 miles. Price: £27,490, £490 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-e4ec912f6e8a

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey, 10 miles from this car. Mileage: 24,963 miles. Price: £27,100, £100 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-209f5cf2310e