GMC has always been about “Professional Grade TRUCKS but the Denali trim level takes it up a notch or two — it’s the package for people who work hard but like to do it in style, too. Now, the folks in the big trucks will get their own pampering as GMC reveals the new 2011 GMC Sierra Denali Heavy Duty.

The Sierra Denali HD marks the first time the luxurious Denali trim has been offered on GMC’s toughest trucks. Specific to the Denali package is a four-bar grille with a chrome surround, chrome accents on the doors and door handles, body-color bumpers and new 18- and 20-inch polished forged aluminum wheels. Inside, the Denali package features a Bose audio system, power-adjustable pedals, 12-way power seats and brushed aluminum trim. A heated steering wheel and heated and cooled seats are optional.

Beyond the Denali package, which will only be offered on the Sierra 2500 Crew Cab Standard Box model, those who look closely may notice a few other subtle enhancements to the 2011 Sierra’s appearance. Most notable is the enhanced hood with its big louvers and powertrain badges, along with new 17-, 18- and 20-inch wheel options. Non-Denali trucks also get a new three-bar grille and a full-width chrome front bumper

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