GMC's big, bad Denali is the mother of 'em all

December 2010 News

If you're afraid of big then you might as well step away from the Sierra Denali 2500HD because this truck is one big, bad piece of work.  It looks just about the same for 2011, but stick your head under the hood and you'll find some changes the most noticeable the diesel engine option. As well as a new frame to take note of, there's also new trim to consider too.

?With stiff competition coming in for both the GMC Sierra and its Chevy brother the Silverado, Ford's F-Series Super Duty lineup takes the challenge here with a little Dodge Ram 2500 thrown in to compete as well.  Let's look at one of the most important aspects of any truck this size, the towing capability.  In the Sierra line overall it comes in at 17,000 pounds in the maximum conventional towing category with the Ford and Dodge just a little under even in fifth wheel towing capability.

There is a 6.6-liter Duramax turbo diesel to choose from in 2011 with 397 horsepower and, you better believe, 765 pound-feet of torque. That is quite a bit more than last year's offering and it's noted that this diesel option also means better fuel economy at 11% to be exact with a 36-gallon fuel tank reportedly able to achieve up to 680 highway miles driving range. This is also your best choice for regular heavy towing too and it's a six-speed automatic transmission with a manual shift control.

Another area to note, rear-wheel drive is standard for all the incoming models and you can opt for four-wheel drive. There are a number of trims for the Sierra including the biggest Denali so take your pick from the regular cab offering, an extended cab or crew cab. 

Read more at http://communities.washingtontimes.com/neighborhood/behind-wheel/2010/dec/19/gmcs-big-bad-denali-mother-em-all/

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