Open the door and prepare for an interior that wraps you in quality materials and improved fit-and-finish. Gauges are easy to see and understand, and displays are well-lit. It’s big inside, and comfortable, able to seat six in the Avalanche LS. Other changes to the interior include firm, well-bolstered seats, ample cargo room, and an upgraded climate control system. Also new and standard on the higher priced trims is a full-length side-curtain airbag system.