2020 BMW X3 2.0 20d MHT M Sport

Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)

Price: £23,670. Fair price: £1,633 (6%) under the AskCar estimate of £25,303, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,993 priced BMW X3 adverts on AskCar as of 30 October 2026.

AskCar lists 3,047 used BMW X3 from 1,191 UK dealerships, as of 30 October 2026.

Overview

Make
BMW
Model
X3
Trim
M Sport
Version
2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
Mileage
40,473 miles
Year
2020
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
157 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
20d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 40,473 miles, this 2020 BMW X3 M Sport has covered about 11,600 fewer miles than other 2020 BMW X3 cars. The AskCar estimate for this car is £25,303. It is priced at £23,670, which is £1,633 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,993 BMW X3 cars across different ages and specifications. We first saw this car advertised 77 days ago. Its asking price has since fallen by £1,300. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 5 February 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Sytner Harold Wood BMW in Romford.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 14 August 2026, 77 days ago. Price reduced by £1,300 from £24,970 since AskCar first saw it. 5 price reductions recorded, the latest seen on 30 October 2026.

Recorded asking prices
Date observedAsking price
14 August 2026£24,970
28 August 2026£24,870
11 September 2026£24,670
27 September 2026£24,270
9 October 2026£23,970
30 October 2026£23,670

Price and mileage comparison

Fair price: £1,633 (6%) under the AskCar estimate of £25,303.

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 2,993 priced BMW X3 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 11,600 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 5 February 2027. 35,485 miles at the last test.

Other matching cars

76 other 2020 BMW X3 M Sport automatic diesel cars are for sale at UK dealers from £16,499 to £30,200, as of 30 October 2026.

The 5 cheapest:

The 76 matching cars have covered 10,000 to 104,876 miles, compared with 40,473 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 X3 cars for sale · 2020 BMW X3 price guide

More like this

Photos

25 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 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.