2021 BMW X3 3.0 M40i

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
• Year: 2021
• Mileage: 47,076 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 354 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 212 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 is advertised with 47,076 miles on the clock. Priced at £35,500, it is advertised £172 above the AskCar estimate of £35,328. To work out the AskCar estimate, we analyse UK dealer adverts for 3,052 BMW X3 cars across different ages and specifications. We first saw this car advertised 37 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Wolverhampton BMW, based in Wolverhampton. 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: £172 (under 1%) over the AskCar estimate of £35,328.

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 37 days.

Price history

AskCar first saw this advert on 1 October 2026 at £36,500. Its asking price is now £35,500, £1,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 1 October 2026: £36,500
• 28 October 2026: £36,000
• 4 November 2026: £35,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 22 September 2027.

It failed its MOT on 16 September 2026 (offside front tyre has ply or cords exposed) and passed 7 days later, on 23 September 2026.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; 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: 47,013 miles, which matches the advertised 47,076 miles.

Advertised mileage is about 400 miles lower than the median mileage of a 2021 BMW X3 on AskCar.