From the State Fair of Texas, Mark Williams, of Pickuptrucks.com, takes a first look at the 2015 Chevrolet Silverado 2500 HD and 2015 GMC Sierra 2500 HD.
(upbeat music) I'm Mark Williams for pickuptrucks.com, and we're here at the 2013 state fair of Texas, and these are the new GM heavy duties.
Some of the most obvious changes for the 2015 heavy duties, a new power dome hood, bigger, taller, wider grille, tighter fitments between bumper and grille, and a new dual-stack headlight. Although it may not look like it, all the cabs have been completely redone. They include the regular cab, the new double cab, and crew cab. The double cab is now forward-hinged. It's not that suicide door opening extended cab anymore. And the crew cabs have a shorter front door and a longer rear door for better legroom front and back. Other big changes for the 2015 heavy-duty, the interior completely redone, much more intuitive center stack, easy-to-read gauges, and a lot of distinction between GMC and Chevy. Another helpful feature for guys who like to tow is the upgraded software in both the auto-grade breaking for the transmission, and when equipped with a diesel, the more aggressive exhaust brake. Other big improvements for the 2015 heavy-duty are very similar to the 2014 light-duty. We've got the corner bed step, fully strutted tailgates, both upper and lower tie-downs, and an optional spray-in bed liner. Although there's plenty new with this 2015 heavy-duty, there's still a lot that hasn't changed. GM just redid their platforms in 2011, same frames on these 2015 trucks and same powertrains. That doesn't mean they aren't gonna change them in the near future. But for right now, the vortex 6,000 and the Duramax 6.6 liter engine is all there is. For our full story, specs, and photos, go to pickuptrucks.com. (car engine revving)