My M6 is set up for both cross country as well as in city use and gets 23 mpg @ 80 mph. Currently, we have accumulated 32,000 miles on the vehicle.
Other Modifications:
~Swing-out and lockable windows
~Heat & AC with driver's spot cooler
~ET Clock
~Hidden glovebox
~Hidden driver-side and passenger compartments
~16 cubic ft luggage compartment
~Manual/auto air ride system w/ 7 in height range control
~4 wheel disc brakes
Gia on front
Corvette rear w/ air cooled ducts
~Closed circuit video recording system
w/ dual roof mounted 360 degree cameras
~Fender mounted driver-view road camera
