• 2011 GMC Sierra 3500 HD SLT. X11GM_SH037 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH035 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH036 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH038 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH039 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH040 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH043 (06/07/2010) (United States)
  • 2011 GMC Sierra 3500 HD. X11GM_SH045 (06/09/2010)
  • 2011 GMC Sierra 3500 HD. X11GM_SH047 (06/09/2010)
  • 2011 GMC Sierra 3500 HD SLT. X11GM_SH042 (06/07/2010) (United States)
Our friends at PickupTrucks.com have just completed their "HD Hurt Locker" comparison test, in which the GMC Sierra 3500HD, Ford F-350 and Ram 3500 were put through quite a series of tests. PickupTrucks.com editor Mike Levine called it a "grueling showdown among industry heavyweights that included towing 19,000-pound fifth-wheel trailers up and over some of the most demanding grades in the United States."

After seven days of testing, Levine and the rest of the PickupTrucks.com crew found that General Motors' offering, the Sierra HD, was the most capable in this test, outperforming the Ford and Ram trucks.

At 23,000 pounds, the Sierra 3500HD boasts the maximum fifth-wheel towing capacity in the group, as well as the greatest conventional towing capacity at 18,000 pounds. Follow the jump for GM's official statement about the results, and head over to PickupTrucks.com to read the full test.
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GMC Sierra 3500HD Wins Best Overall HD Truck

Beats Ford and Ram in PickupTrucks.com's "HD Hurt Locker" Comparison

DETROIT – The GMC Sierra 3500HD won PickupTrucks.com's "Heavy Duty Hurt Locker "comparison test, a grueling showdown among industry heavyweights that included towing 19,000-pound fifth-wheel trailers up and over some of the most demanding grades in the United States.

"We procured similarly equipped trucks from Ford, Ram and GMC and put them through the paces towing up and down some of the toughest grades in the country covering a total of 2,200 miles," said Mike Levine, editor of PickupTrucks.com. "When we analyzed the data, the GMC Sierra 3500HD simply outperformed the trucks from Ford and Ram."

The results of the comparison conducted July 11-18 between Denver and Laughlin, Nev., reflect improvements to the 2012 Sierra 3500HD that give Sierra best-in-class towing for both conventional and fifth-wheel trailers.

"Customers choose full-size trucks for their capabilities," said Rick Spina, vehicle line executive for fuill-size trucks. "So for 2012, we built on the foundation created in 2011, with engineering changes and additional validation designed to make the most capable heavy-duty pickup even better. Based on PickupTrucks.com's test results, it looks like we got the job done."

For enhanced fifth-wheel towing, engineers strengthened the pickup box sills and other box structures, rear springs, u-bolts, and box mounts, and upgraded the shock tuning. As a result, Sierra 3500HD now has a best-in-class tow rating of 23,000 pounds, up from 21,700 pounds in 2011.

Sierra also will lead the class in dually payload, with a 7,215-lb. payload for the 3500HD regular cab gasoline dually. Updates to the trailer hitch receiver increase conventional towing to 18,000 pounds, up from 17,000 pounds last year Both changes will be on models arriving in dealerships in the fourth quarter.

"We know heavy-duty pickups are one of the most-competitive segments, with some of the most knowledgeable customers there are," said Spina. "So for 2012, we worked on making our trucks even more capable than before."

Other updates for the 2012 Sierra Heavy Duty trucks include a new navigation radio with enhanced display that has a hard drive, eliminating the need for discs with map data.

Sierra continues to offer OnStar, a segment exclusive, SiriusXM satellite radio, Bluetooth for phone and USB connectivity.

Sierra delivered its best sales month of the year in July, driven by increased demand for heavy duty models. Retail HD sales were up 29 percent and total HD sales are up 34 percent year to date, and nearly as much in both categories year over year. Retail sales for the full Sierra lineup grew 2 percent year over year, with total sales up 6 percent.

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