2020 BMW X4 3.0 M40i

Overview

• Make: BMW
• Model: X4
• Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr
• Year: 2020
• Mileage: 40,504 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Brown
• CO2: 181 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 40,504 miles on the clock, this 2020 BMW X4 has done roughly 10,500 fewer miles than a typical 2020 BMW X4. The dealer is asking £30,090, which is £439 below the AskCar estimate of £30,529. To work out the AskCar estimate, we analyse UK dealer adverts for 651 BMW X4 cars across different ages and specifications. Since we first spotted the advert 28 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone BMW Tunbridge Wells, based in Tunbridge Wells. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £439 (1%) under the AskCar estimate of £30,529.

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 651 priced BMW X4 adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW X4 with the 3.0 petrol engine is typically advertised at £29,700: the median of the 35 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW X4 has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 10 October 2026 at £30,590. Its asking price is now £30,090, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 10 October 2026: £30,590
• 16 October 2026: £30,580
• 27 October 2026: £30,090

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 September 2027.

It has had 5 MOTs. The latest, on 30 September 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre has a cut but not deep enough to reach the ply or cords; nearside rear nail in tyre; and 1 more.

Mileage at that test: 40,504 miles, which matches the advertised 40,504 miles.

Advertised mileage is about 10,500 miles lower than the median mileage of a 2020 BMW X4 on AskCar.