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: 30,780 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 30,780 miles on the clock, this 2023 BMW 4 Series Gran Coupe M Sport has done roughly 2,600 more miles than a typical 2023 BMW 4 Series Gran Coupe. Its asking price of £26,799 is £1,812 below the AskCar estimate of £28,611. To work out the AskCar estimate, we analyse UK dealer adverts for 1,174 BMW 4 Series Gran Coupe cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 74 days, and its asking price is down £200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Available Car Supermarket - Sutton-In-Ashfield, based in Sutton-in-Ashfield. 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: £1,812 (6%) under the AskCar estimate of £28,611.

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

The dealer may accept less. This 2023 BMW 4 Series Gran Coupe has been on sale for at least 74 days, and its asking price has been cut by £200. About half of 2023 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 73 of the 134 first advertised between 9 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 25 August 2026 at £26,999. Its asking price is now £26,799, £200 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 25 August 2026: £26,999
• 24 October 2026: £26,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 17 August 2027.

It has had one MOT, on 18 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 30,614 miles, which matches the advertised 30,780 miles.

Advertised mileage is about 2,600 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, green. Mileage: 29,758 miles. Price: £28,990, £2,191 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
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 29,150 miles. Price: £30,495, £3,696 more than this car. Dealer: Group 1 Ipswich BMW in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-66fafd0cc312
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 29,100 miles. Price: £28,990, £2,191 more than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-66370a35de3d

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey, 43 miles from this car. Mileage: 16,979 miles. Price: £29,950, £3,151 more than this car. Dealer: MINI UK at Sandal Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-3fd7eb6f122f