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: 66,907 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 66,907 miles, around 38,500 more miles than is typical for its age. Priced at £22,995, it is advertised £14 below the AskCar estimate of £23,009. The AskCar estimate draws on 1,170 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 54 days ago. Its asking price has since fallen by £2,500. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Crystal Motor Company in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £14 (under 1%) under the AskCar estimate of £23,009.

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 1,170 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 9 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 66 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2023 BMW 4 Series Gran Coupe has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 16 September 2026 at £25,495. Its asking price is now £22,995, £2,500 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 16 September 2026: £25,495
• 20 September 2026: £24,995
• 25 September 2026: £24,795
• 13 October 2026: £24,495
• 18 October 2026: £23,995
• 30 October 2026: £22,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 14 September 2027.

It has had 2 MOTs. The latest, on 4 September 2026, passed.

Advisories at the latest test: undertrays fitted obscuring some components; nearside front outer tyre slightly damaged/cracking or perishing sidewall; offside front outer tyre slightly damaged/cracking or perishing sidewall.

Mileage at that test: 66,150 miles, which matches the advertised 66,907 miles.

Advertised mileage is about 38,500 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

34 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £25,490 to £32,490, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 51,096 miles. Price: £26,875, £3,880 more than this car. Dealer: HK Cars in Bolton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-d3a5a437e248
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 44,250 miles. Price: £25,490, £2,495 more than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-f8022390aa70
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 43,973 miles. Price: £28,956, £5,961 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-f30af352279b

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey, 38 miles from this car. Mileage: 32,700 miles. Price: £27,490, £4,495 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-e4ec912f6e8a