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: 45,912 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

At 45,912 miles, this 2020 BMW X3 M Sport has covered about 6,100 fewer miles than other 2020 BMW X3 cars. The dealer is asking £22,490, which is £1,171 below the AskCar estimate of £23,661. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 161 days, and its asking price is down £3,200. Its advertised mileage matches the government's MOT record. It is for sale at Savannah in Westcliff-on-SEA. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,171 (4%) under the AskCar estimate of £23,661.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW X3 with the 2.0 diesel engine is typically advertised at £22,200: the median of the 100 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW X3 has been on sale for at least 161 days, and its asking price has been cut by £3,200. About 6 in 10 of 2020 BMW X3 cars are gone from sale within a month of being advertised: 132 of the 237 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £25,690. Its asking price is now £22,490, £3,200 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 29 May 2026: £25,690
• 9 June 2026: £24,990
• 19 June 2026: £24,490
• 16 July 2026: £23,990
• 13 August 2026: £23,690
• 4 September 2026: £23,490
• 17 September 2026: £22,990
• 20 October 2026: £22,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 14 May 2027.

It has had 4 MOTs. The latest, on 12 May 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing; nearside rear tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 45,916 miles, which matches the advertised 45,912 miles.

Advertised mileage is about 6,100 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

69 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 45,745 miles. Price: £24,049, £1,559 more than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-0028124c6b13
• 2020 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 46,250 miles. Price: £24,300, £1,810 more than this car. Dealer: Vines of Guildford BMW in Guildford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-0c01ad7aed9c
• 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 46,619 miles. Price: £20,995, £1,495 less than this car. Dealer: Park's Land Rover Inverness in Inverness. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-422bdad8e5a5

• The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, white, 3 miles from this car. Mileage: 70,000 miles. Price: £21,995, £495 less than this car. Dealer: Aspire Automotive in Rayleigh. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-f7497a92804f