Poor gas mileage : vortec 4300 4.3l v6 - silverado sierra
I hava a 2003 gmc sierra with a 4.3l v6 and it is killing me on gas. i fill up the tank and 150 miles later im at half a tank. what can i do to improve my gas mileage?.
Chevrolet silverado - wikipedia, the free encyclopedia
Although general motors introduced its first pickup truck in 1930, the term "silverado" was a designation used only to detail the trim for the chevrolet c/k pickup.