Availability was extremely limited at first, with commercial buyers getting the first allotment. Later in 2005, the truck was offered at retail in Alaska, California, Florida, Nevada, Oregon, Washington and Canada. For 2006–07 the truck was generally available to retail buyers throughout North America. The Parallel Hybrid Truck was discontinued for the 2008 model year with the release of the GMT900 truck line. Starting in 2009, General Motors offers a second generation Chevrolet Silverado and GMC Sierra equipped with a Two-Mode Hybrid powertrain and CVT.