2021 BMW X4 3.0 M40i

Price: £28,999. Good value: £3,086 (9%) under the AskCar estimate of £32,085, our expected asking price for this car from its model, age, mileage and specification, drawing on 650 priced BMW X4 adverts on AskCar as of 5 November 2026.

AskCar lists 666 used BMW X4 from 463 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X4
  • Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
  • Year: 2021
  • Mileage: 44,831 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 355 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 203 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,831 miles, this 2021 BMW X4 has covered about 3,400 fewer miles than other 2021 BMW X4 cars. The AskCar estimate for this car is £32,085. It is priced at £28,999, which is £3,086 below that estimate. The AskCar estimate uses 650 UK dealer adverts for the BMW X4, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The seller is HPL Preston, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £3,086 (9%) under the AskCar estimate of £32,085.

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 650 priced BMW X4 adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X4 with the 3.0 petrol engine is typically advertised at £28,500: the median of the 18 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2021 BMW X4 advertised today. About 4 in 10 of 2021 BMW X4 cars are gone from sale within a month of being advertised: 26 of the 61 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £28,999. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 3,400 miles lower than the median mileage of a 2021 BMW X4 on AskCar.

Browse all BMW X4 cars for sale · 2021 BMW X4 price guide

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Photos

27 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.