Vehicle Overview
Sharing much of the same underpinnings with the Chevrolet Silverado heavy-duty pickup truck, the GMC Sierra HD provides truck buyers with a bit more style and luxury — especially in Denali trim. Competitors include the Ford F-Series Super Duty and Ram 2500 and 3500.
New for 2015
The Sierra 2500HD and 3500HD have been redesigned and have new styling inside and out.
Below is a list of highlighted features and not an exhaustive list. Features are standard unless otherwise noted.
Exterior Highlights
- Regular-cab, double-cab and crew-cab body styles
- Standard or long bed
- Available dual rear wheels (3500HD)
- Available All Terrain Package
- 17-inch wheels; 18- or 20-inch wheels available
- Available heated and power-adjustable camper-style side mirrors
- Available power sunroof
Interior Highlights
- Seats up to six people in certain versions
- Vinyl, cloth or leather upholstery
- Front bench or bucket seats
- Available Bluetooth connectivity
- Available navigation system
- Available power-adjustable pedals
- Available power-sliding rear window
- Available OnStar with 4G LTE and Wi-Fi hot spot
- Available backseat entertainment system with 9.2-inch screen
Under the Hood
- 360-horsepower, 6.0-liter gas V-8 engine makes 380 pounds-feet of torque (301 hp and 333 pounds-feet of torque when running on CNG in properly equipped trucks)
- Available 397-hp, turbo-diesel 6.6-liter V-8 makes 765 pounds-feet of torque
- Both engines work with a six-speed automatic transmission
- Turbo-diesel has an exhaust-brake system that provides greater control on downhill grades and reduced brake-pad wear
- Rear- or four-wheel drive
Safety Features
- Required in every new car: front airbags, antilock brakes and an electronic stability system
- Trailer-sway control and hill start assist
- Available backup camera
- Available front and rear parking sensors
- Available lane departure warning
- Available forward collision warning
