2021 BMW X4 3.0 M40i MHT
Price: £35,694. Fair price: £29 (under 1%) over the AskCar estimate of £35,665, our expected asking price for this car from its model, age, mileage and specification, drawing on 644 priced BMW X4 adverts on AskCar as of 9 November 2026.
AskCar lists 657 used BMW X4 from 462 UK dealerships, as of 9 November 2026.
Overview
- Make: BMW
- Model: X4
- Version: 3.0 M40i MHT Auto 4WD Euro 6 5dr (355 bhp)
- Year: 2021
- Mileage: 41,165 miles
- Fuel: Petrol, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 355 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 205 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 41,165 miles on the clock, this 2021 BMW X4 has done roughly 6,900 fewer miles than a typical 2021 BMW X4. The dealer is asking £35,694, which is £29 above the AskCar estimate of £35,665. To work out the AskCar estimate, we analyse UK dealer adverts for 644 BMW X4 cars across different ages and specifications. It first appeared in our advert records 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Phoenix Cars, based in Winchester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Fair price: £29 (under 1%) over the AskCar estimate of £35,665.
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 644 priced BMW X4 adverts across different ages and specifications, as of 9 November 2026.
A 2021 BMW X4 with the 3.0 petrol engine is typically advertised at £29,000: the median of the 17 for sale on AskCar, as of 9 November 2026.
Time on sale
AskCar first saw this 2021 BMW X4 advertised 1 day ago. About 4 in 10 of 2021 BMW X4 cars are gone from sale within a month of being advertised: 26 of the 63 first advertised between 11 July 2026 and 6 October 2026.
Price history
AskCar first saw this advert on 8 November 2026 at £35,694. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 29 October 2027.
It has had 3 MOTs. The latest, on 30 October 2026, passed.
Advisories at the latest test: nearside windscreen wiper blade defective; nearside rear tyre worn close to legal limit/worn on edge.
Mileage at that test: 41,004 miles, which matches the advertised 41,165 miles.
Advertised mileage is about 6,900 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
1 photo of this car is on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.