What's the 2012 Chevy silverado door speaker size?

The stock front speakers in Your 2012 Chevy Silverado are 6-¾ in the front doors witH1 tweeters located in the A pillars. The rear speakers vary based on what model and trim You have but they can be anything froM4x6 to 5-¼ or 6-¾. The most common setup used in this truck is a set of components up front which has A6-½ woofer for the doors and a separate tweeter for the A pillar mounts. For the rear stage they go with a set of 6-½ coax which have the woofer and tweeter as a single unit. Depending on what speakers You go with, You may be able to power them off the factory head unit but they will always sound better when using an aftermarket receiver and amp.