2020 BMW X3 3.0 M40i Sport

Overview

• Make: BMW
• Model: X3
• Trim: Sport
• Version: 3.0 M40i Sport Auto 4WD Euro 6 5dr (354 bhp)
• Year: 2020
• Mileage: 36,710 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 354 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 209 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 Sport has covered 36,710 miles, around 15,400 fewer miles than is typical for its age. The AskCar estimate for this car is £33,476. It is priced at £33,995, which is £519 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,099 BMW X3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 96 days, and its asking price has been cut by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by RDB Car Sales in Burntisland. 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: £519 (1%) over the AskCar estimate of £33,476.

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 3.0 petrol engine is typically advertised at £30,000: the median of the 32 for sale on AskCar, as of 6 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW X3 has been on sale for at least 96 days, and its asking price has been cut by £1,000. 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 2 August 2026 at £34,995. Its asking price is now £33,995, £1,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 5 August 2026: £34,995
• 22 October 2026: £33,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 4 March 2027.

It has had 4 MOTs. The latest, on 21 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,343 miles, which matches the advertised 36,710 miles.

Advertised mileage is about 15,400 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

1 other 2020 BMW X3 Sport 3.0 petrol automatic SUV is for sale at UK dealers, as of 6 November 2026.

The closest to this car in mileage:

• 2020 BMW X3 Sport, 3.0 petrol SUV, blue. Mileage: 16,738 miles. Price: £34,467, £472 more than this car. Dealer: Williams Bmw Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-cfdf6786a2ef