Component Description: Speakers
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The base model speaker system consists of six speakers. Four 6-inch speakers are mounted in each of the doors. Two 1-inch tweeter speakers are mounted in the A-pillars. The uplevel speaker system adds two 1-inch tweeter speakers are mounted in the D-pillars, subwoofer and an amplifier.