2018 Centennial Edition Silverado - The Centennial Edition Silverado includes all of the features available on the LTZ Z71 crew cab and adds the Centennial Blue exterior paint color, front and rear heritage bowties, 100 year door badges, spray-in bedliner with heritage bowtie emblems and accessory floor liners with heritage bowtie emblems. The Centennial Edition also adds 22” painted wheels with chrome inserts, 22” all-terrain tires, chrome tow hooks and a chrome bowtie on the steering wheel.