2015 chevrolet silverado 2500 / 3500 hd drive, Our initial drive took place in the mountains above phoenix, arizona. the silverado’s snappier sibling, the 2015 gmc sierra hd, was along for the ride.. 2015 gmc sierra 2500 / 3500 hd drive – review, Power is also optional. the hd’s interior is largely the same as the sierra 1500’s, which is slightly better trimmed and more expressive than the chevy’s.. 2015 chevrolet silverado 2500/3500 hd: drive, It would be interesting to see real world performance comparisons between 2500 and 3500 competitors like the old rumble in the rockies and heavy duty hurt. 2015 chevrolet silverado 2500 hd front seats photo 15, View detailed photo gallery pictures from our 2015 chevrolet silverado hd, 2015 gmc sierra hd first look article and download your favorite high resolution photos at. 2015 chevrolet silverado hd - gmc sierra hd - diesel power, 2015 chevrolet silverado hd and gmc sierra hd a fresh look for 2015. 2010-2012 dodge ram 2500/3500 heavy duty pickup truck news, The ram 2500's tow rating increased on 2011 models from 20,000 to 22,000 lb, when buyers chose the diesel and 4.1 axle ratio. a boost in cummins diesel power.