2020 BMW X3 3.0 30d MHT M Sport

Price: £27,499. Fair price: £799 (2%) under the AskCar estimate of £28,298, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.

AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2020
  • Mileage: 45,613 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 164 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 45,613 miles, this 2020 BMW X3 M Sport has covered about 6,000 fewer miles than other 2020 BMW X3 cars. The AskCar estimate for this car is £28,298. It is priced at £27,499, which is £799 below that estimate. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 40 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is HPL Preston, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £799 (2%) under the AskCar estimate of £28,298.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,200: the median of the 35 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 23 September 2026 at £27,499. 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 2 November 2026: valid until 26 August 2027.

It has had 4 MOTs. The latest, on 27 August 2026, passed.

Advisories at the latest test: front tyre worn close to legal limit/worn on edge both wearing outer edge; offside rear tyre slightly damaged cut; nearside rear nail in tyre.

Mileage at that test: 45,472 miles, which matches the advertised 45,613 miles.

Advertised mileage is about 6,000 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

8 other 2020 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £22,490 to £30,200, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 44,500 miles. Price: £29,490, £1,991 more than this car. Dealer: John Warren Cars in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-6e63a4f766ee
  • 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 52,264 miles. Price: £24,495, £3,004 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e31eb4e1dea0
  • 2020 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 53,310 miles. Price: £27,995, £496 more than this car. Dealer: Merc Autobarn in Hayes. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-2767c32039fb

Browse all BMW X3 cars for sale · 2020 BMW X3 price guide

More like this

Photos

27 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.