2020 BMW X3 3.0 M40i

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
• Year: 2020
• Mileage: 55,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 354 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 207 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,000 miles on the clock, this 2020 BMW X3 has done roughly 3,100 more miles than a typical 2020 BMW X3. Priced at £31,595, it is advertised £1,097 above the AskCar estimate of £30,498. The AskCar estimate uses 3,052 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 35 days ago. Its asking price has since fallen by £400. The recorded MOT expired on 13 August 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Goldstone Cars in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,097 (3%) over the AskCar estimate of £30,498.

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 3,052 priced BMW X3 adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW X3 with the 3.0 petrol engine is typically advertised at £30,000: the median of the 30 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 3 October 2026 at £31,995. Its asking price is now £31,595, £400 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 3 October 2026: £31,995
• 17 October 2026: £31,595

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 13 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 14 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 46,055 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 3,100 miles higher than the median mileage of a 2020 BMW X3 on AskCar.