2018 BMW X3 3.0 M40i
Price: £25,795. Fair price: £1,263 (5%) over the AskCar estimate of £24,532, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,051 priced BMW X3 adverts on AskCar as of 10 November 2026.
AskCar lists 3,110 used BMW X3 from 1,231 UK dealerships, as of 10 November 2026.
Overview
- Make: BMW
- Model: X3
- Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
- Year: 2018
- Mileage: 67,977 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 355 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 188 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 67,977 miles, this 2018 BMW X3 has covered about 4,100 more miles than other 2018 BMW X3 cars. The dealer is asking £25,795, which is £1,263 above the AskCar estimate of £24,532. To work out the AskCar estimate, we analyse UK dealer adverts for 3,051 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 13 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at A13 Cars in Barking. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
A13 Cars is rated 4.8 out of 5 on Google.
Price
Fair price: £1,263 (5%) over the AskCar estimate of £24,532.
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 3,051 priced BMW X3 adverts across different ages and specifications, as of 10 November 2026.
A 2018 BMW X3 with the 3.0 petrol engine is typically advertised at £22,000: the median of the 64 for sale on AskCar, as of 10 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 13 days.
Price history
AskCar first saw this advert on 28 October 2026 at £25,795. 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 10 November 2026: valid until 23 March 2027.
It has had 7 MOTs. The latest, on 13 March 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; rear tyre worn close to legal limit/worn on edge NS + OS.
Mileage at that test: 63,135 miles, which matches the advertised 67,977 miles.
Advertised mileage is about 4,100 miles higher than the median mileage of a 2018 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
70 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.