2021 BMW 4 Series 3.0 M440i MHT

Price: £29,999. Fair price: £1,959 (6%) under the AskCar estimate of £31,958, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,787 priced BMW 4 Series adverts on AskCar as of 2 November 2026.

AskCar lists 1,835 used BMW 4 Series from 1,064 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Version: 3.0 M440i MHT Auto 4WD Euro 6 2dr (368 bhp)
  • Year: 2021
  • Mileage: 42,500 miles
  • Fuel: Petrol, mild hybrid
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 3.0 litres, 368 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 183 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series is advertised with 42,500 miles on the clock. Its asking price of £29,999 is £1,959 below the AskCar estimate of £31,958. 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 24 days ago. Its asking price has since fallen by £2,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hendy Car Store, based in Exeter. 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: £1,959 (6%) under the AskCar estimate of £31,958.

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 3.0 petrol engine is typically advertised at £30,000: the median of the 56 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW 4 Series has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 9 October 2026 at £31,999. Its asking price is now £29,999, £2,000 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

  • 9 October 2026: £31,999
  • 14 October 2026: £30,999
  • 26 October 2026: £29,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 September 2027.

It failed its MOT on 26 August 2026 (windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: limited underbody inspection due to undershields; offside front nail in tyre.

Mileage at that test: 41,689 miles, which matches the advertised 42,500 miles.

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

Browse all BMW 4 Series cars for sale · 2021 BMW 4 Series price guide

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Photos

2 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.