Nav-Traffic capabilities), a new rear seat DVD entertainment system, Bluetooth hands-free calling capabilities, enhanced voice activation, new OnStar hardware with buttons moved from the rearview mirror to the overhead console, a lower dashboard-mounted radio, new dual-zone climate controls, new rear seat audio system controls, a new dash-mounted control knob for the 4X4 system to replace the old pushbutton controls, brushed aluminum interior trim panels, new interior color options, available remote engine start, and a center dashboard-mounted analog clock. Also for 2008, a new 393-horsepower, 6.2 L V8 gasoline engine replaced the old 325-horsepower, 6.0 L V8 gasoline unit, with a new "6L80-E" six-speed automatic transmission replaced the old "4L65-E" four-speed automatic unit. Hummer launched a special 2009 Black Chrome Limited Edition featuring a new paint color, Sedona Metallic. All Black Chrome editions also had Sedona interior, black chrome accents instead of standard chrome, and unique 20-inch black chrome wheels. Initially, there were to be 1,000 to 1,300 Black Chrome editions. However, due to the mid-year production shutdown only six were ever actually made, and they were not made available to the public. Fuel economy General Motors was not required to provide official fuel economy ratings for the H2 due to the vehicle's heavy gross vehicle weight rating (GVWR). Prior to 2011, the United States Environmental Protection Agency (EPA) exempted vehicles with a GVWR over from fuel economy standards and testing. Yearly American sales References External links H2 H6 Cars introduced in 2002 Cars discontinued in 2009 Rear-wheel-drive vehicles All-wheel-drive vehicles Pickup trucks Full-size sport utility vehicles 2000s cars Motor vehicles manufactured in the United States Sport utility trucks Light trucks Luxury sport utility vehicles Off-road vehicles Retro-style automobiles