2021 BMW X3 3.0 M40i MHT

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40i MHT Auto 4WD Euro 6 5dr (354 bhp)
• Year: 2021
• Mileage: 54,323 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 354 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 208 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 54,323 miles on the clock, this 2021 BMW X3 has done roughly 6,800 more miles than a typical 2021 BMW X3. Its asking price of £40,980 is £5,657 above the AskCar estimate of £35,323. The AskCar estimate draws on 3,052 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £3,900. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Oakdene Collection in Alfreton. 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

Above the going rate: £5,657 (16%) over the AskCar estimate of £35,323.

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 2021 BMW X3 with the 3.0 petrol engine is typically advertised at £32,000: the median of the 39 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 8 October 2026 at £44,880. Its asking price is now £40,980, £3,900 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 8 October 2026: £44,880
• 17 October 2026: £43,980
• 23 October 2026: £42,980
• 31 October 2026: £41,880
• 6 November 2026: £40,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 30 September 2027.

It has had 3 MOTs. The latest, on 30 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,063 miles, which matches the advertised 54,323 miles.

Advertised mileage is about 6,800 miles higher than the median mileage of a 2021 BMW X3 on AskCar.