<http://schema.org/model>
"Silverado 2500HD"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bergstromauto.com/VehicleDetails/new-2016-Chevrolet-Silverado_2500HD-4WD_DOUBLE_CAB_144.2_LT-Appleton-WI/2796710303>