2021 BMW X3 2.0 30e Xline
Price: £25,450. Fair price: £685 (2%) over the AskCar estimate of £24,765, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026.
AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: Xline
- Version: 2.0 12kWh 30e Xline Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
- Year: 2021
- Mileage: 25,000 miles
- Fuel: Plug-in hybrid (petrol)
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 288 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 46 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 25,000 miles, this 2021 BMW X3 Xline has covered about 23,900 fewer miles than other 2021 BMW X3 cars. The dealer is asking £25,450, which is £685 above the AskCar estimate of £24,765. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 7 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Westleigh Prestige in Basildon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £685 (2%) over the AskCar estimate of £24,765.
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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.
A 2021 BMW X3 with the 2.0 plug-in hybrid engine is typically advertised at £24,400: the median of the 177 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2021 BMW X3 has been on sale for at least 7 days.
Price history
AskCar first saw this advert on 29 October 2026 at £25,450. 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 5 November 2026: valid until 12 December 2026.
It has had 2 MOTs. The latest, on 6 December 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 20,479 miles, which matches the advertised 25,000 miles.
Advertised mileage is about 23,900 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Similar cars
8 other 2021 BMW X3 Xline 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £16,999 to £23,995, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, black. Mileage: 43,683 miles. Price: £22,999, £2,451 less than this car. Dealer: HPL Wirral in Bromborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-e8c56f06555f
- 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, blue. Mileage: 44,317 miles. Price: £22,729, £2,721 less than this car. Dealer: Snows BMW Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-dd2790a10297
- 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, grey. Mileage: 46,692 miles. Price: £23,485, £1,965 less than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-df3fad908e5d
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
More like this
- Used BMW X3 Xline prices
- Used BMW X3 for sale under £30,000
- Used plug-in hybrid BMW X3 for sale
- Used BMW X3 for sale near Basildon
Photos
23 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.