2020 BMW X4 3.0 M40i

Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr

Price: £30,495. Fair price: £62 (under 1%) under the AskCar estimate of £30,557, 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
Mileage
37,500 miles
Year
2020
Fuel type
Petrol
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Seats
5
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
M40i
Emissions standard
Euro 6

About this car

At 37,500 miles, this 2020 BMW X4 has covered about 12,700 fewer miles than other 2020 BMW X4 cars. The AskCar estimate for this car is £30,557. It is priced at £30,495, which is £62 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 647 BMW X4 cars across different ages and specifications. This car was first seen in our listings data today. Its recorded MOT is valid until 26 October 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at SLM Quest Motor Group in Braintree.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£30,495

Price and mileage comparison

Fair price: £62 (under 1%) under the AskCar estimate of £30,557.

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 12,700 miles lower than the median mileage of a 2020 BMW X4 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 26 October 2027. 37,146 miles at the last test.

Other matching cars

12 other 2020 BMW X4 automatic petrol cars are for sale at UK dealers from £26,489 to £32,200, as of 29 October 2026.

The 5 cheapest:

The 12 matching cars have covered 10,000 to 75,000 miles, compared with 37,500 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 · 2020 BMW X4 price guide

More like this

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.