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: 16,738 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 354 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 209 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,738 miles on the clock, this 2020 BMW X3 Sport has done roughly 35,400 fewer miles than a typical 2020 BMW X3. Its asking price of £34,467 is £2,263 below the AskCar estimate of £36,730. The AskCar estimate uses UK dealer asking prices, including 3,099 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 59 days ago. Its asking price has since fallen by £4,032. We checked its advertised mileage against the government's MOT record, and they match. The seller is Williams Bmw Rochdale, based in Rochdale. 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: £2,263 (6%) under the AskCar estimate of £36,730.

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

This 2020 BMW X3 has been on sale for at least 59 days.

Price history

AskCar first saw this advert on 8 September 2026 at £38,499. Its asking price is now £34,467, £4,032 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 8 September 2026: £38,499
• 18 September 2026: £35,990
• 6 October 2026: £35,795
• 21 October 2026: £35,390
• 30 October 2026: £34,990
• 4 November 2026: £34,467

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 23 February 2027.

It has had 5 MOTs. The latest, on 24 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 12,487 miles, which matches the advertised 16,738 miles.

Advertised mileage is about 35,400 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, white. Mileage: 36,710 miles. Price: £33,995, £472 less than this car. Dealer: RDB Car Sales in Burntisland. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-9fb0854c7cc9