2018 BMW X3 prices

There are 221 used 2018 BMW X3 cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £19,200 (the median: half cost less, half cost more). The cheapest is £11,990. The middle half are priced between £17,500 and £21,500. Median mileage: about 64,000 miles.

Dealers lowered the asking price on more than a third of 2018 BMW X3 cars: 95 of the 221 in the 14 days to 10 November 2026.

2018 BMW X3 prices by engine and mileage

A 2018 BMW X3 3.0 diesel car typically costs £22,000, against £18,400 for the 2.0 diesel, as of 10 November 2026.

A 2018 BMW X3 2.0 diesel car with 40,000 to 60,000 miles typically costs £19,500, against £17,000 with 60,000 miles or more.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
2.0 diesel£18,400Too few for saleToo few for sale£19,500£17,000
3.0 diesel£22,000Too few for saleToo few for saleToo few for sale£21,000

2018 BMW X3 prices by trim

TrimTypical asking price, 2018 cars
M Sport£19,500
Xline£17,900
SE£17,900
SportToo few for sale

Only 2 of the 2018 BMW X3 cars for sale are Sport, too few to give a typical asking price.

Typical asking prices are of 2018 BMW X3 cars for sale on 10 November 2026, and are given only where at least 20 cars with a price are for sale.

2018 BMW X3 against other years

A 2017 BMW X3 car has a typical asking price of £14,600 and a 2019 one £21,000, as of 10 November 2026.

AskCar lists 3,110 used BMW X3 across the UK, from 1,231 dealerships.

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.

2018 BMW X3 cars for sale now, page 2 of 5

This page lists 2018 BMW X3 cars not picked out on page 1, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 3,051 priced BMW X3 adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 BMW X3.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 8 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

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BMW X3 by gearbox, fuel and body

BMW X3 prices by year

BMW X3 by trim

2018 BMW X3 by price

2018 BMW X3 by trim

BMW X3 by price

BMW X3 near you

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