2021 BMW X3 2.0 20d MHT M Sport
Price: £26,995. Fair price: £140 (under 1%) over the AskCar estimate of £26,855, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.
AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.
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: 36,129 miles
- Fuel: Diesel, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 156 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 36,129 miles on the clock, this 2021 BMW X3 M Sport has done roughly 12,500 fewer miles than a typical 2021 BMW X3. The dealer is asking £26,995, which is £140 above the AskCar estimate of £26,855. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £1,000. Our records show an MOT expiry date of 4 August 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. It is for sale at Hamptons of Surrey in Farnham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £140 (under 1%) over the AskCar estimate of £26,855.
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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.
A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,600: the median of the 174 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2021 BMW X3 has been on sale for at least 158 days.
Price history
AskCar first saw this advert on 28 May 2026 at £27,995. Its asking price is now £26,995, £1,000 less. The latest price cut was seen on 22 October 2026.
Price changes recorded:
- 28 May 2026: £27,995
- 8 September 2026: £27,795
- 17 September 2026: £27,495
- 22 October 2026: £26,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 4 August 2026; ask the dealer for the current MOT.
It has had one MOT, on 5 August 2025, and passed.
There were no advisories at the latest test.
Mileage at that test: 30,445 miles, which matches the advertised 36,129 miles.
Advertised mileage is about 12,500 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Similar cars
97 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 2 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 37,022 miles. Price: £27,899, £904 more than this car. Dealer: Halliwell Jones Southport BMW in Southport. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-368792481842
- 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 35,005 miles. Price: £24,300, £2,695 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-3f2eef1cb253
- 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 34,720 miles. Price: £25,900, £1,095 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15acc3c55011
- The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 24 miles from this car. Mileage: 72,046 miles. Price: £21,694, £5,301 less than this car. Dealer: Phoenix Cars in Winchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ee4de66b0be9
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
More like this
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- Used BMW X3 for sale under £30,000
- Used diesel BMW X3 for sale
- Used BMW X3 for sale near Farnborough
Photos
53 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.