2020 BMW X3 2.0 20d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2020
• Mileage: 54,894 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport has covered 54,894 miles, around 2,700 more miles than is typical for its age. Its asking price of £20,950 is £1,494 below the AskCar estimate of £22,444. The AskCar estimate uses 3,099 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Big Motoring World Camberley, based in Camberley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,494 (6%) under the AskCar estimate of £22,444.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW X3 with the 2.0 diesel engine is typically advertised at £22,000: the median of the 104 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 BMW X3 advertised today. About 6 in 10 of 2020 BMW X3 cars are gone from sale within a month of being advertised: 135 of the 244 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £20,950. 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 6 November 2026: valid until 29 June 2027.

It failed its MOT on 26 June 2026 (rear inner brake pad(s) less than 1.5 mm thick) and passed later the same day.

Advisories at the latest test: nearside front outer tyre sidewall starting to perish/crack.

Mileage at that test: 51,568 miles, which matches the advertised 54,894 miles.

Advertised mileage is about 2,700 miles higher than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

74 other 2020 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,499 to £28,295, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 55,012 miles. Price: £24,995, £4,045 more than this car. Dealer: Sytner Tring BMW in Tring. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-ded079a717a6
• 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 54,000 miles. Price: £24,995, £4,045 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-c308217af146
• 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 53,293 miles. Price: £21,250, £300 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-628fcf27e3c4

• The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 26,020 miles. Price: £24,010, £3,060 more than this car. Dealer: Big Motoring World Camberley in Camberley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-0780cc3d78ea