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: 51,249 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport has covered 51,249 miles. The AskCar estimate for this car is £22,999. It is priced at £20,952, which is £2,047 below that estimate. The AskCar estimate draws on 3,076 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 41 days ago. Its asking price has since fallen by £873. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carbase Bristol, based in Bristol. 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

Good value: £2,047 (8%) under the AskCar estimate of £22,999.

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

This 2020 BMW X3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £21,825. Its asking price is now £20,952, £873 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 25 September 2026: £21,825
• 26 September 2026: £21,707
• 30 September 2026: £21,643
• 1 October 2026: £21,610
• 3 October 2026: £21,348
• 17 October 2026: £21,069
• 21 October 2026: £21,033
• 4 November 2026: £20,952

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 30 March 2027.

It failed its MOT on 19 March 2026 (offside front tyre tread depth below requirements of 1.6mm; offside direction indicator not working wing repeater) and passed 1 day later, on 20 March 2026.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 47,524 miles, which matches the advertised 51,249 miles.

Advertised mileage is about 800 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, silver. Mileage: 51,825 miles. Price: £22,300, £1,348 more than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-0a14f9c63405
• 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 52,000 miles. Price: £23,699, £2,747 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-f4fb83227e52
• 2020 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 52,460 miles. Price: £22,290, £1,338 more than this car. Dealer: Rockcliffe Cars in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-95f61a9e90a8

• The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, blue, 6 miles from this car. Mileage: 37,822 miles. Price: £24,990, £4,038 more than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-6587b698098e