2021 BMW X4 3.0 M40i
Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
Price: £28,999. Good value: £2,796 (8%) under the AskCar estimate of £31,795, our expected asking price for this car from its model, age, mileage and specification, drawing on 647 priced BMW X4 adverts on AskCar as of 29 October 2026.
AskCar lists 665 used BMW X4 from 464 UK dealerships, as of 29 October 2026.
Overview
- Make
- BMW
- Model
- X4
- Version
- 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
- Mileage
- 44,831 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 355 bhp
- Seats
- 5
- CO2
- 203 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- M40i
- Emissions standard
- Euro 6
About this car
This 2021 BMW X4 has covered 44,831 miles, around 3,600 fewer miles than is typical for its age. Priced at £28,999, it is advertised £2,796 below the AskCar estimate of £31,795. The AskCar estimate uses UK dealer asking prices, including 647 BMW X4 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. MOT records show an expiry date of 1 April 2027, and the latest recorded mileage is consistent with the advert. The seller is HPL Preston, based in Preston.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £28,999 |
Price and mileage comparison
Good value: £2,796 (8%) under the AskCar estimate of £31,795.
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 647 priced BMW X4 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 3,600 miles lower than the median mileage of a 2021 BMW X4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 1 April 2027. 35,244 miles at the last test.
Other matching cars
5 other 2021 BMW X4 automatic petrol cars are for sale at UK dealers from £31,490 to £39,600, as of 29 October 2026.
- 2021 BMW X4. Price: £31,490. Mileage: 33,859 miles. Dealer: Sturgess Of Leicester in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-f0b16fc2f068
- 2021 BMW X4. Price: £31,500. Mileage: 46,903 miles. Dealer: Sytner Harold Wood BMW in Harold Wood. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-8cc30b4d4641
- 2021 BMW X4. Price: £37,475. Mileage: 32,214 miles. Dealer: The Car Co in Bury. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-9562fa8d986f
- 2021 BMW X4. Price: £38,590. Mileage: 16,935 miles. Dealer: Stratstone BMW Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-0da75a5719ad
- 2021 BMW X4. Price: £39,600. Mileage: 33,306 miles. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-63621369036b
The 5 matching cars have covered 16,935 to 46,903 miles, compared with 44,831 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW X4 cars for sale · 2021 BMW X4 price guide
More like this
Photos
7 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.