2021 BMW X3 2.0 20d MHT Xline
Version: 2.0 20d MHT Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
Price: £21,999. Good value: £2,052 (8%) under the AskCar estimate of £24,051, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,993 priced BMW X3 adverts on AskCar as of 30 October 2026.
AskCar lists 3,047 used BMW X3 from 1,191 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- X3
- Trim
- Xline
- Version
- 2.0 20d MHT Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
- Mileage
- 35,000 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 187 bhp
- Seats
- 5
- CO2
- 156 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- 20d; MHT
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2021 BMW X3 Xline has covered 35,000 miles, around 13,900 fewer miles than is typical for its age. The AskCar estimate for this car is £24,051. It is priced at £21,999, which is £2,052 below that estimate. The AskCar estimate uses 2,993 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. MOT records show an expiry date of 5 January 2027, and the latest recorded mileage is consistent with the advert. It is advertised by Anycolourcar.com in Barnsley.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £21,999 |
Price and mileage comparison
Good value: £2,052 (8%) under the AskCar estimate of £24,051.
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 2,993 priced BMW X3 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 13,900 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 5 January 2027. 32,903 miles at the last test.
Other matching cars
1 other 2021 BMW X3 Xline automatic diesel cars are for sale at UK dealers from £23,495 to £23,495, as of 30 October 2026.
- 2021 BMW X3. Price: £23,495. Mileage: 41,007 miles. Dealer: Central Garage in Galashiels. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fcc42d558090
The 1 matching cars have covered 41,007 miles, compared with 35,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
8 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.