GMC Sierra (Credit: GM)

The 2015 GMC Sierra 3500 HD

GMC Sierra wins Heavy Duty Challenge

The 2015 GMC Sierra 3500 HD won the overall title in the 2014 Ultimate Heavy Duty Challenge 1-ton diesel category following testing by truck experts from Cars.com, PickupTrucks.com and Mrtruck.com.

The Challenge pitted the Sierra HD against the Ford F350 and the Dodge Ram 3500.

According to PickupTrucks.com, while the GMC was the least expensive truck tested, it offered the "smoothest and most durable ride" over many uncomfortable road surfaces. The Sierra also performed well in the zero-to-60 mph, quarter-mile and braking tests.

Also receiving positive feedback from testers was the truck's new interior, multimedia interface and 8-inch navigation screen.

2015 GMC Sierra
(Credit: GM)

The new CornerStep rear bumper – also introduced on Sierra 1500 – is standard. It features integrated steps at each corner designed to accommodate large boots, with textured pads for sure-footed grip.

2015 Sierra
(Credit: AP)

The rear bumper of the 2015 Sierra features standard corner steps said to make climbing into the bed easy, whether the tailgate is up or down. LED cargo lights are also available that will illuminate the bed when a tonneau cover is in place.

GMC Sierra
(Credit: GM)

The 2015 Sierra features new double cab and revised crew cab body styles. Larger rear doors on each, along with new seat designs, enable easier entry and exit from the rear seat and two inches of additional legroom on crew cabs.


GMC Sierra
(Credit: GM)

While the GMC Sierra is designed with the functional features needed in a pickup, it is also equipped with a host of technological features. Among them is Forward Collision Alert, which uses a forward-facing camera to notify the driver of an imminent collision, and Lane Departure Warning, which uses the same camera to track the truck’s position in relation to a road’s lane markers.

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