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 M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2021
• Mileage: 33,630 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series Gran Coupe M Sport has covered 33,630 miles, around 11,400 fewer miles than is typical for its age. Its asking price of £24,447 is £980 above the AskCar estimate of £23,467. The AskCar estimate uses UK dealer asking prices, including 1,169 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 51 days ago. Its asking price has since fallen by £1,043. We checked its advertised mileage against the government's MOT record, and they match. The seller is Brindley Garages Brindley Hyundai Wolverhampton, based in Wolverhampton. 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: £980 (4%) over the AskCar estimate of £23,467.

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 51 days.

Price history

AskCar first saw this advert on 18 September 2026 at £25,490. Its asking price is now £24,447, £1,043 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 18 September 2026: £25,490
• 19 September 2026: £25,079
• 22 September 2026: £24,971
• 10 October 2026: £24,780
• 13 October 2026: £24,560
• 17 October 2026: £24,672
• 20 October 2026: £24,572
• 22 October 2026: £24,447

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 17 August 2027.

It has had 4 MOTs. The latest, on 7 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,913 miles, which matches the advertised 33,630 miles.

Advertised mileage is about 11,400 miles lower 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: 44,406 miles. Price: £27,495, £3,048 more than this car. Dealer: Agnew Group Bavarian BMW in Belfast. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-40f0ea11cc7a
• 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 21,529 miles. Price: £26,250, £1,803 more than this car. Dealer: Wollaston BMW in Wollaston. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-68ca3f4805cd
• 2021 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, orange. Mileage: 47,937 miles. Price: £23,995, £452 less than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-60e9a001808c