2005 GMC Sierra Hybrid Test Drive & Review

GMC says its Sierra Hybrid truck delivers up to 10 percent improvement in fuel economy while retaining all of the performance and capability owners expect from a full-size pickup truck. Go along with our test driver for an in-depth look at the 2005 Sierra hybrid truck, and if the details sound good to you talk to your local dealers, because GM plans to make the trucks more available this year than they were in 2005.