2021 BMW 4 Series 3.0 M440d MHT

Price: £28,761. Fair price: £2,130 (6%) under the AskCar estimate of £30,891, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,816 priced BMW 4 Series adverts on AskCar as of 8 November 2026.

AskCar lists 1,873 used BMW 4 Series from 1,080 UK dealerships, as of 8 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Version: 3.0 M440d MHT Auto 4WD Euro 6 2dr (335 bhp)
  • Year: 2021
  • Mileage: 34,515 miles
  • Fuel: Diesel, mild hybrid
  • Body: 2 doors, 4 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 155 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series is advertised with 34,515 miles, approximately 9,500 below the typical mileage for its age. Its asking price of £28,761 is £2,130 below the AskCar estimate of £30,891. The AskCar estimate draws on 1,816 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 47 days ago, the asking price has dropped by £2,234. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is TrustFord Glasgow, based in Glasgow. 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: £2,130 (6%) under the AskCar estimate of £30,891.

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 1,816 priced BMW 4 Series adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW 4 Series with the 3.0 diesel engine is typically advertised at £30,000: the median of the 53 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 BMW 4 Series has been on sale for at least 47 days.

Price history

AskCar first saw this advert on 22 September 2026 at £30,995. Its asking price is now £28,761, £2,234 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 22 September 2026: £30,995
  • 23 September 2026: £30,756
  • 7 October 2026: £30,495
  • 9 October 2026: £30,678
  • 10 October 2026: £30,466
  • 13 October 2026: £29,995
  • 20 October 2026: £29,853
  • 27 October 2026: £29,644
  • 29 October 2026: £29,495
  • 5 November 2026: £28,945
  • 7 November 2026: £28,761

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 5 August 2027.

It has had 4 MOTs. The latest, on 6 August 2026, passed.

Advisories at the latest test: nearside front nail in tyre.

Mileage at that test: 34,239 miles, which matches the advertised 34,515 miles.

Advertised mileage is about 9,500 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

40 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.