The BMW X6 gets an average of 15 miles per gallon in the city and an average of 22 miles per gallon on the highway. Depending on what driving conditions you're driving in The X6 is going to get and average of 18 miles per gallon.
It also depends which engine you are having...
The EPA mileage estimate for the 2009 BMW X6 is 15 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2013 BMW X6 is 16 mpg in the city, 23 mpg on the highway.
The EPA mileage estimate for the 2010 BMW X6 is 15 mpg in the city, 21 mpg on the highway.
The EPA mileage estimate for the 2011 BMW X6 is 16 mpg in the city, 23 mpg on the highway.
The EPA mileage estimate for the 2014 BMW X6 is 17 mpg in the city, 24 mpg on the highway.
The EPA mileage estimate for the 2012 BMW X6 is 16 mpg in the city, 23 mpg on the highway.
The EPA mileage estimate for the 2008 BMW X6 is 15 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2014 BMW X6-M is 13 mpg in the city, 17 mpg on the highway.
The EPA mileage estimate for the 2013 BMW X6-M is 12 mpg in the city, 17 mpg on the highway.
The EPA mileage estimate for the 2012 BMW X6-M is 12 mpg in the city, 17 mpg on the highway.
The EPA mileage estimate for the 2010 BMW X6-M is 12 mpg in the city, 17 mpg on the highway.
The EPA mileage estimate for the 2011 BMW X6-M is 12 mpg in the city, 17 mpg on the highway.