2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2021
• Mileage: 44,768 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport has covered 44,768 miles, around 4,100 fewer miles than is typical for its age. The AskCar estimate for this car is £25,602. It is priced at £22,905, which is £2,697 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 13 days ago, the asking price has dropped by £413. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carsa Cannock, based in Cannock Chase. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £2,697 (10%) under the AskCar estimate of £25,602.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £23,318. Its asking price is now £22,905, £413 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 22 October 2026: £23,318
• 23 October 2026: £23,223
• 24 October 2026: £23,158
• 26 October 2026: £23,156
• 27 October 2026: £23,140
• 28 October 2026: £23,112
• 31 October 2026: £23,039
• 2 November 2026: £23,049
• 3 November 2026: £22,889
• 4 November 2026: £22,905

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 May 2027.

It has had 3 MOTs. The latest, on 18 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,242 miles, which matches the advertised 44,768 miles.

Advertised mileage is about 4,100 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

95 other 2021 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,295 to £35,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 45,407 miles. Price: £25,199, £2,294 more than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-045ddb6f131b
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 44,000 miles. Price: £22,995, £90 more than this car. Dealer: BEN Harrison Automotive in Poole. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-6d3d48917bc2
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 45,812 miles. Price: £27,995, £5,090 more than this car. Dealer: Group 1 Cambridge BMW in Cambridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cc6e834d0ca2

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 34,720 miles. Price: £25,900, £2,995 more than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15acc3c55011