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: 55,007 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

This 2021 BMW 4 Series Gran Coupe M Sport is advertised with 55,007 miles, approximately 10,000 above the typical mileage for its age. The dealer is asking £15,990, which is £1,257 below the AskCar estimate of £17,247. 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. We first recorded this car for sale 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is cartime Rochdale, based in Rochdale. 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: £1,257 (7%) under the AskCar estimate of £17,247.

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 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 7 November 2026.

Time on sale

AskCar first saw this 2021 BMW 4 Series Gran Coupe advertised 2 days ago.

Price history

AskCar first saw this advert on 5 November 2026 at £15,990. 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 3 June 2027.

It has had 3 MOTs. The latest, on 4 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,457 miles, which matches the advertised 55,007 miles.

Advertised mileage is about 10,000 miles higher than the median mileage of a 2021 BMW 4 Series Gran Coupe on AskCar.

Similar cars

7 other 2021 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £15,460 to £26,250, as of 7 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, £1,005 more than 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, blue. Mileage: 51,460 miles. Price: £16,995, £1,005 more than this car. Dealer: Shelldrakes Specialist Cars in Shefford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-a15acf6b8c80
• 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 61,964 miles. Price: £15,460, £530 less than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-1edb740f2ef2

• The nearest: 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, orange, 36 miles from this car. Mileage: 47,937 miles. Price: £23,995, £8,005 more than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-60e9a001808c