2021 BMW X3 2.0 30e Xline

Version: 2.0 12kWh 30e Xline Auto 4WD Euro 6 (s/s) 5dr (288 bhp)

Price: £25,450. Fair price: £476 (1%) over the AskCar estimate of £24,974, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,986 priced BMW X3 adverts on AskCar as of 29 October 2026.

AskCar lists 3,088 used BMW X3 from 1,215 UK dealerships, as of 29 October 2026.

Overview

Make
BMW
Model
X3
Trim
Xline
Version
2.0 12kWh 30e Xline Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
Mileage
25,000 miles
Year
2021
Fuel type
Plug-in hybrid (petrol)
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
288 bhp
Seats
5
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30e
Hybrid type
Plug-in hybrid
Emissions standard
Euro 6

About this car

At 25,000 miles, this 2021 BMW X3 Xline has covered about 24,200 fewer miles than other 2021 BMW X3 cars. The dealer is asking £25,450, which is £476 above the AskCar estimate of £24,974. To work out the AskCar estimate, we analyse UK dealer adverts for 2,986 BMW X3 cars across different ages and specifications. We first recorded this car for sale today. The advertised mileage is consistent with the mileage at its latest MOT. It is advertised by Westleigh Prestige in Basildon.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£25,450

Price and mileage comparison

Fair price: £476 (1%) over the AskCar estimate of £24,974.

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 2,986 priced BMW X3 adverts across different ages and specifications, as of 29 October 2026.

Advertised mileage is about 24,200 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

Other matching cars

8 other 2021 BMW X3 Xline automatic plug-in hybrids (petrol) are for sale at UK dealers from £16,999 to £24,495, as of 29 October 2026.

The 5 cheapest:

The 8 matching cars have covered 43,683 to 73,630 miles, compared with 25,000 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

More like this

Photos

23 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 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.