The 2012 BMW X6 is a gas-powered vehicle.
The 2014 BMW X6 is a gas-powered vehicle.
The 2013 BMW X6 is a gas-powered vehicle.
The 2009 BMW X6 is a gas-powered vehicle.
The 2010 BMW X6 is a gas-powered vehicle.
The 2011 BMW X6 is a gas-powered vehicle.
The 2011 BMW X6-M is a gas-powered vehicle.
The 2014 BMW X6-M is a gas-powered vehicle.
The 2013 BMW X6-M is a gas-powered vehicle.
The 2012 BMW X6-M is a gas-powered vehicle.
The 2010 BMW X6-M is a gas-powered vehicle.
The 2008 BMW X6 has 24 valves.