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: 40,672 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport has covered 40,672 miles, around 12,500 more miles than is typical for its age. The AskCar estimate for this car is £27,063. It is priced at £25,995, which is £1,068 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,169 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 10 days ago, the asking price has dropped by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Chelmsford BMW, based in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,068 (3%) under the AskCar estimate of £27,063.

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 1,169 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 8 November 2026.

A 2023 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £28,900: the median of the 64 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 BMW 4 Series Gran Coupe has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 29 October 2026 at £26,595. Its asking price is now £25,995, £600 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 29 October 2026: £26,595
• 5 November 2026: £25,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 2 February 2027.

It has had one MOT, on 28 January 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 32,444 miles, which matches the advertised 40,672 miles.

Advertised mileage is about 12,500 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

31 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 8 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, green. Mileage: 40,000 miles. Price: £25,895, £100 less than this car. Dealer: Selekt Motors in Slough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-fc46d9c5e38d
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 40,000 miles. Price: £27,495, £1,500 more than this car. Dealer: Sedgley Group in Prestwich. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0025b90823e8
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 38,583 miles. Price: £27,990, £1,995 more than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-e198180e7ae4

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, green, 14 miles from this car. Mileage: 29,758 miles. Price: £28,990, £2,995 more than this car. Dealer: Group 1 Southend BMW in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-9dce4823c042