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: 37,301 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport is advertised with 37,301 miles, approximately 8,700 above the typical mileage for its age. Priced at £27,499, it is advertised £39 below the AskCar estimate of £27,538. The AskCar estimate uses UK dealer asking prices, including 1,195 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Halliwell Jones Warrington BMW, based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £39 (under 1%) under the AskCar estimate of £27,538.

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 1,195 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 5 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 64 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 BMW 4 Series Gran Coupe advertised 1 day ago. About half of 2023 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 71 of the 133 first advertised between 9 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £27,499. 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 5 November 2026: valid until 30 March 2027.

It has had one MOT, on 25 March 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 31,269 miles, which matches the advertised 37,301 miles.

Advertised mileage is about 8,700 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

28 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £22,995 to £32,491, as of 5 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: £28,766, £1,267 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, blue. Mileage: 38,583 miles. Price: £27,990, £491 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
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, green. Mileage: 35,510 miles. Price: £27,000, £499 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0af79583d2b2

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black, under a mile from this car. Mileage: 32,590 miles. Price: £28,519, £1,020 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-967c0553baa9