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: 29,758 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

This 2023 BMW 4 Series Gran Coupe M Sport has covered 29,758 miles. Priced at £28,990, it is advertised £221 above the AskCar estimate of £28,769. 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. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Group 1 Southend BMW in Leigh-on-SEA. 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: £221 (under 1%) over the AskCar estimate of £28,769.

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

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: 73 of the 134 first advertised between 9 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £28,990. 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 27 May 2027.

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

Advisories at the latest test: central windscreen damaged but not adversely affecting driver's view; offside front outer tyre slightly damaged/cracking or perishing; offside rear outer tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 26,348 miles, which matches the advertised 29,758 miles.

Advertised mileage is about 1,600 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, grey. Mileage: 29,150 miles. Price: £30,495, £1,505 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, the same price as this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-66370a35de3d
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 28,874 miles. Price: £26,920, £2,070 less than this car. Dealer: Ocean Falmouth BMW in Falmouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-630bb6d06821

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 14 miles from this car. Mileage: 40,672 miles. Price: £25,995, £2,995 less than this car. Dealer: Group 1 Chelmsford BMW in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-b414a868e3c5