2021 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 GPF M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2021
• Mileage: 51,460 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 51,460 miles on the clock, this 2021 BMW 4 Series Gran Coupe M Sport has done roughly 6,500 more miles than a typical 2021 BMW 4 Series Gran Coupe. Priced at £16,995, it is advertised £598 below the AskCar estimate of £17,593. The AskCar estimate uses 1,169 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 44 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at Shelldrakes Specialist Cars in Shefford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £598 (3%) under the AskCar estimate of £17,593.

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 1,169 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £23,600: the median of the 24 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 BMW 4 Series Gran Coupe has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 25 September 2026 at £17,495. Its asking price is now £16,995, £500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 25 September 2026: £17,495
• 28 September 2026: £17,295
• 29 October 2026: £16,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 4 February 2027.

It has had 3 MOTs. The latest, on 5 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 47,993 miles, which matches the advertised 51,460 miles.

Advertised mileage is about 6,500 miles higher than the median mileage of a 2021 BMW 4 Series Gran Coupe on AskCar.

Similar cars

8 other 2021 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £15,460 to £27,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 51,800 miles. Price: £16,995, the same price as this car. Dealer: DGA Cars in Downham Market. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-b34f097e98bd
• 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, orange. Mileage: 47,937 miles. Price: £23,995, £7,000 more than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-60e9a001808c
• 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 55,007 miles. Price: £15,990, £1,005 less than this car. Dealer: cartime Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-95b51c847970

• The nearest: 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 24 miles from this car. Mileage: 21,529 miles. Price: £26,250, £9,255 more than this car. Dealer: Wollaston BMW in Wollaston. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-68ca3f4805cd