From the 2014 SEMA show, PickupTrucks.com editor Mark Williams checks out Chevys luxurious Silverado High Desert concept.\rbr\rbr2015 Chevrolet Silverado High Desert concept - SEMA Show. Based on the Silverado High Country crew cab and featuring a flexible, lockable concept storage .\rbr\rbrFrom the 2014 SEMA show, PickupTrucks.com editor Mark Williams checks out Chevys luxurious Silverado High Desert concept. 2015 Chevrolet Silverado .\rbr\rbrFrom the 2014 SEMA show, PickupTrucks.com editor Mark Williams checks out Chevys luxurious Silverado High Desert concept. 2015 Chevrolet Silverado .