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 5dr Step (181 bhp)
• Year: 2023
• Mileage: 12,295 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 4 Series Gran Coupe M Sport is advertised with 12,295 miles, approximately 15,900 below the typical mileage for its age. Priced at £27,549, it is advertised £3,248 below the AskCar estimate of £30,797. 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 117 days, and its asking price has been cut by £3,050. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Swansea, based in Swansea. 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

Good value: £3,248 (10%) under the AskCar estimate of £30,797.

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 117 days, and its asking price has been cut by £3,050. 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 13 July 2026 at £30,599. Its asking price is now £27,549, £3,050 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 14 July 2026: £30,599
• 16 July 2026: £30,699
• 29 July 2026: £30,749
• 5 August 2026: £30,599
• 12 August 2026: £29,899
• 19 August 2026: £29,649
• 26 August 2026: £29,249
• 1 September 2026: £28,999
• 10 September 2026: £28,949
• 18 September 2026: £28,849
• 25 September 2026: £28,549
• 26 September 2026: £28,499
• 13 October 2026: £27,549

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 April 2027.

It has had one MOT, on 24 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,281 miles, which matches the advertised 12,295 miles.

Advertised mileage is about 15,900 miles lower than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

Similar cars

21 other 2023 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £23,990 to £33,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 11,765 miles. Price: £32,999, £5,450 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-07ccc292fa65
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, grey. Mileage: 11,380 miles. Price: £33,498, £5,949 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-dc609e20bf23
• 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white. Mileage: 20,299 miles. Price: £28,199, £650 more than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-0118b3df6cfc

• The nearest: 2023 BMW 4 Series Gran Coupe M Sport, 2.0 petrol coupe, white, 3 miles from this car. Mileage: 29,037 miles. Price: £28,250, £701 more than this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-b9f0b424e67d