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 2dr Step (181 bhp)
• Year: 2021
• Mileage: 32,851 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 32,851 miles on the clock, this 2021 BMW 4 Series M Sport Pro Edition has done roughly 10,500 fewer miles than a typical 2021 BMW 4 Series. The dealer is asking £26,649, which is £881 below the AskCar estimate of £27,530. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 13 days ago. Its asking price has since fallen by £1,300. 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 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £881 (3%) under the AskCar estimate of £27,530.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW 4 Series with the 2.0 petrol engine is typically advertised at £23,900: the median of the 141 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW 4 Series has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £27,949. Its asking price is now £26,649, £1,300 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 20 October 2026: £27,949
• 24 October 2026: £27,149
• 29 October 2026: £26,649

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 December 2026.

It has had 2 MOTs. The latest, on 16 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 31,188 miles, which matches the advertised 32,851 miles.

Advertised mileage is about 10,500 miles lower than the median mileage of a 2021 BMW 4 Series on AskCar.

Similar cars

5 other 2021 BMW 4 Series M Sport PRO Edition 2.0 petrol automatic coupes are for sale at UK dealers, from £24,990 to £29,290, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 4 Series M Sport PRO Edition, 2.0 petrol coupe, blue. Mileage: 35,000 miles. Price: £28,480, £1,831 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: 28,286 miles. Price: £29,000, £2,351 more than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-f98050cd40da
• 2021 BMW 4 Series M Sport PRO Edition, 2.0 petrol coupe, grey. Mileage: 47,700 miles. Price: £24,990, £1,659 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-059c2d93b205

• The nearest: 2021 BMW 4 Series M Sport PRO Edition, 2.0 petrol coupe, blue, 113 miles from this car. Mileage: 51,000 miles. Price: £26,350, £299 less than this car. Dealer: Keith Motors (Christchurch) in Christchurch and Poole) Christchurch (Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-5de8ce4489be