The engine is the heart of any vehicle. It provides power and propulsion to move the vehicle forward.
In the case of the GMC Sierra, the engine is the 4.8L V-6 engine.
This engine produces 260 horsepower at 5500 RPM and 277 lb.-ft. of torque at 4000 RPM.
The engine is mated to a 6-speed automatic transmission.
Transmissions transfer power from the engine to the wheels.
There are many different types of transmissions including manual, automatic, and continuously variable transmissions (CVT).
The GMC Sierra uses a standard automatic transmission.
This type of transmission transfers power from the engine to drive shafts using gears.