See also:

2011 GMC Sierra 2500HD Review
The "professional grade" brand unveiled the 2011 GMC Sierra Heavy Duty lineup at the 2010 NTEA Work Truck Show. Most of the technical specifications of GM's HD pickups are identical, but ...

Easy Exit Driver Seat
This feature can move the seat rearward to allow extra room to exit the vehicle. : Press to recall the easy exit seat position. The vehicle must be in P (Park). See Memory Seats on page 3‑7 a ...

Under the Hood
Both the four-cylinder and V-6 engines use direct-injection technology. An Eco mode, which is activated by a dashboard button, alters drivetrain calibrations in the four-cylinder to maximize fuel ...