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New 2015 GMC Sierra 3500HD Price, Photos, Reviews & Features

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Pricing

EPA Fuel Economy (MPG)

  • City: 0
  • Highway: 0

Consumer Reviews Summary

Overall Rating:
5/5
Value:
5/5
Exterior:
5/5
Interior:
5/5
Comfort:
5/5
Performance:
5/5
Reliability:
5/5

1 of 1 (100%) customers said they would recommend this vehicle to a friend.

Read Consumer Reviews »

2015 GMC Sierra 3500HD Overview

New/Notable:
  • Redesigned for 2015
  • New exterior styling and an updated interior with better materials
  • Maximum payload/towing capacity of 7,374/23,000 pounds (with dual-rear wheels and a fifth-wheel or gooseneck hitch)
The 2015 GMC Sierra 3500HD gets a complete redesign for the 2015 model year with lots of updates for the big truck designed with big jobs in mind.

Last year, GM redesigned its light-duty trucks, the Chevrolet Silverado 1500 and GMC Sierra 1500. Now the heavy-duty trucks are up and both the GMC Sierra 2500HD and 3500HD get a few of the same updates, especially on the styling front. The larger HD trucks now feature the same look found on the 1500, with a sculpted hood over a large, GMC-adorned front grille that is flanked by stacked headlight clusters. Overall, the new look is more aggressive and boxy than the old model, and offers the Sierra 3500HD more curb appeal. Corner steps on the rear bumper offer easier access to the bed, as does an optional EZ lift-and-lower tailgate. Underneath the skin, the body adds more high-strength steel which translates to better stiffness. The 3500HD is offered in regular, double, and crew cab configurations with either a 6-foot 6-inch or an 8-foot bed (regular cab models get 8-foot beds only). You also get the choice between single or dual rear wheels, depending on towing/payload capacity needs.

There are two available engines under the hood which carryover from last year. The base engine is a 360-hp, 6.0-liter V-8 that makes 380 pounds-feet of torque. This engine adds a new CNG conversion kit as well, which adds $11,000 to the sticker price. A diesel engine is also available, a 397-hp, Duramax 6.6-liter turbo-diesel V-8 that makes an astounding 765 pounds-feet of torque. Both come mated to a standard six-speed automatic transmission. 2WD is standard, with 4WD available.

GM has always given its GMC models better interiors than their Chevrolet counterparts and the new cabin in the Sierra 3500HD is no exception. Again, the updates found in the half-ton Sierra 1500 mostly make their way up here, including re-positioned controls that are easier to reach, added storage, and more soft-touch materials on the dash. Standard features include air conditioning, power windows/locks, and cruise control. An 8-inch LCD screen touch screen is optional, and houses the controls and interface for the available navigation and IntelliLink infotainment systems. Also available are Bluetooth connectivity, extra USB ports to charge devices, and leather upholstery. For even more luxury, Denali models add even better materials, an 8-inch screen in the instrument panel, power adjustable pedals, and heated/cooled front seats.

Read 2015 GMC Sierra 3500HD consumer reviews »

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*MSRP and Invoice prices listed do not include applicable gas tax and destination charges.