2020 BMW X3 3.0 M40i
Price: £34,500. Fair price: £2,290 (7%) over the AskCar estimate of £32,210, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,046 priced BMW X3 adverts on AskCar as of 9 November 2026.
AskCar lists 3,127 used BMW X3 from 1,220 UK dealerships, as of 9 November 2026.
Overview
- Make: BMW
- Model: X3
- Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
- Year: 2020
- Mileage: 46,000 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 355 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 212 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 46,000 miles on the clock, this 2020 BMW X3 has done roughly 5,900 fewer miles than a typical 2020 BMW X3. Priced at £34,500, it is advertised £2,290 above the AskCar estimate of £32,210. The AskCar estimate uses UK dealer asking prices, including 3,046 BMW X3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 17 days ago. The government's MOT record matches its advertised mileage. It is advertised by Sytner Chigwell BMW in Loughton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Sytner Chigwell BMW is rated 4.4 out of 5 on Google.
Price
Fair price: £2,290 (7%) over the AskCar estimate of £32,210.
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 3,046 priced BMW X3 adverts across different ages and specifications, as of 9 November 2026.
A 2020 BMW X3 with the 3.0 petrol engine is typically advertised at £30,200: the median of the 28 for sale on AskCar, as of 9 November 2026.
Time on sale
This 2020 BMW X3 has been on sale for at least 17 days.
Price history
AskCar first saw this advert on 23 October 2026 at £34,500. 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 9 November 2026: valid until 24 July 2027.
It has had 5 MOTs. The latest, on 30 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 43,514 miles, which matches the advertised 46,000 miles.
Advertised mileage is about 5,900 miles lower than the median mileage of a 2020 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2020 BMW X3 price guide
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Photos
29 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.