2021 BMW X3 3.0

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
• Year: 2021
• Mileage: 35,256 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 354 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 212 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 is advertised with 35,256 miles, approximately 11,800 below the typical mileage for its age. The AskCar estimate for this car is £37,306. It is priced at £36,795, which is £511 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,046 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 58 days ago. Its advertised mileage matches the government's MOT record. The seller is Group 1 Colchester BMW, based in Colchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £511 (1%) under the AskCar estimate of £37,306.

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 3,046 priced BMW X3 adverts across different ages and specifications, as of 9 November 2026.

A 2021 BMW X3 with the 3.0 petrol engine is typically advertised at £31,500: the median of the 37 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 12 September 2026 at £36,495. Its asking price is now £36,795, £300 more.

Price changes recorded:

• 12 September 2026: £36,495
• 16 September 2026: £37,990
• 8 October 2026: £37,690
• 15 October 2026: £36,990
• 29 October 2026: £36,490
• 7 November 2026: £36,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 28 January 2027.

It has had 2 MOTs. The latest, on 21 January 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; rear brake pad(s) wearing thin.

Mileage at that test: 32,645 miles, which matches the advertised 35,256 miles.

Advertised mileage is about 11,800 miles lower than the median mileage of a 2021 BMW X3 on AskCar.