2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2021
• Mileage: 85,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 85,000 miles on the clock, this 2021 BMW X3 M Sport has done roughly 37,500 more miles than a typical 2021 BMW X3. The dealer is asking £23,995, which is £3,875 above the AskCar estimate of £20,120. To work out the AskCar estimate, we analyse UK dealer adverts for 3,052 BMW X3 cars across different ages and specifications. We first recorded this car for sale 35 days ago. Our latest MOT record expired on 29 September 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Comiskey Motors in Newry. 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: £3,875 (19%) over the AskCar estimate of £20,120.

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 2.0 diesel engine is typically advertised at £24,500: the median of the 175 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 3 October 2026 at £23,995. Its asking price has not changed.

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 29 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 26 September 2025, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 75,250 miles, which matches the advertised 85,000 miles.

Advertised mileage is about 37,500 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

98 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 7 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 85,245 miles. Price: £18,950, £5,045 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a99aa1f934e
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 85,302 miles. Price: £18,200, £5,795 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c82fb953279d
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 87,665 miles. Price: £19,800, £4,195 less than this car. Dealer: Marshall Honda Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-17dfd701d98e

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 39,805 miles. Price: £27,995, £4,000 more than this car. Dealer: Comiskey Motors in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a74ba95a5eb