2021 BMW 4 Series 2.0 420i M Sport PRO Edition

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport PRO Edition
• Version: 2.0 420i M Sport Pro Edition Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2021
• Mileage: 28,286 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series M Sport Pro Edition has covered 28,286 miles, around 15,800 fewer miles than is typical for its age. The AskCar estimate for this car is £28,038. It is priced at £27,200, which is £838 below that estimate. The AskCar estimate uses 1,826 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 35 days ago. Its asking price has since fallen by £1,800. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is John Clark BMW Aberdeen, based in Aberdeen. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £838 (2%) under the AskCar estimate of £28,038.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2021 BMW 4 Series with the 2.0 petrol engine is typically advertised at £23,800: the median of the 148 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW 4 Series has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 2 October 2026 at £29,000. Its asking price is now £27,200, £1,800 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 2 October 2026: £29,000
• 6 October 2026: £28,400
• 7 October 2026: £29,000
• 8 October 2026: £28,500
• 24 October 2026: £29,000
• 5 November 2026: £27,200

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 27 August 2027.

It has had 4 MOTs. The latest, on 28 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 27,186 miles, which matches the advertised 28,286 miles.

Advertised mileage is about 15,800 miles lower than the median mileage of a 2021 BMW 4 Series on AskCar.

Similar cars

7 other 2021 BMW 4 Series M Sport PRO Edition 2.0 petrol automatic coupes are for sale at UK dealers, from £24,490 to £29,290, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 4 Series M Sport PRO Edition, 2.0 petrol coupe, blue. Mileage: 32,851 miles. Price: £25,849, £1,351 less than this car. Dealer: Motorpoint Swansea in Swansea. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-166ab4ec5bbf
• 2021 BMW 4 Series M Sport PRO Edition, 2.0 petrol coupe, blue. Mileage: 35,000 miles. Price: £28,480, £1,280 more than this car. Dealer: Oakdene Collection in Alfreton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-cde11adfd244
• 2021 BMW 4 Series M Sport PRO Edition, 2.0 petrol coupe, grey. Mileage: 14,047 miles. Price: £29,290, £2,090 more than this car. Dealer: ProSportsCars in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-4ac29d6eae84