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2015 GMC Sierra Denali 2500HD

2015 GMC Sierra Denali 2500HD

Album created by William Maley · Updated

The 2015 GMC Sierra Denali 2500HD pairs heavy-duty capability with premium Denali luxury, featuring a 6.6-liter Duramax turbodiesel V8 mated to an Allison 1000 six-speed automatic, a chrome-accented exterior, and a tan leather interior with GMC IntelliLink infotainment. This gallery captures the truck in Onyx Black, showing exterior angles, bed details, the engine bay, wheels, and the well-appointed cabin. Read the 2015 GMC Sierra Denali 2500HD Review.

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