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 efficiency. Other mechanical features include:
Four-cylinder displaces 2.4 liters and makes 182 horsepower
V-6 displaces 3.0 liters and makes 264 hp
Standard six-speed automatic transmission
Both engines use regular gas
See also:
Heated and Ventilated Seats
Heated and Cooled Seat Buttons Shown, Heated Seat Buttons Similar
If available, the buttons are on the center console. To operate, the engine must be running.
: If available, press to heat the ...
Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows the engine to operate on either all or half of its cylinders, depending on the driving conditions.
When less power is r ...
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 ...





