2021 BMW X3 3.0 M40i
Price: £29,999. Fair price: £1,034 (3%) over the AskCar estimate of £28,965, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,099 priced BMW X3 adverts on AskCar as of 6 November 2026.
AskCar lists 3,164 used BMW X3 from 1,233 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: X3
- Version: 3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
- Year: 2021
- Mileage: 77,000 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 354 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 213 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW X3 has covered 77,000 miles, around 29,200 more miles than is typical for its age. Its asking price of £29,999 is £1,034 above the AskCar estimate of £28,965. The AskCar estimate draws on 3,099 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 19 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Prestige Motoring Group in Tipton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,034 (3%) over the AskCar estimate of £28,965.
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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.
A 2021 BMW X3 with the 3.0 petrol engine is typically advertised at £32,000: the median of the 42 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2021 BMW X3 has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 18 October 2026 at £29,999. 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 6 November 2026: valid until 29 January 2027.
It has had 3 MOTs. The latest, on 29 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 74,444 miles, which matches the advertised 77,000 miles.
Advertised mileage is about 29,200 miles higher than the median mileage of a 2021 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
36 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.