The 2015 Chevrolet Suburban is a full-size SUV that's offered in three trim levels; base LS, midlevel LT and luxury LTZ. The LS comes standard with 18-inch alloy wheels, rear privacy glass, roof rails, remote ignition, rear parking sensors, a rearview camera, heated power-adjustable manual-folding mirrors, automatic wipers, tri-zone automatic climate control, cruise control, power front seats, a leather-wrapped tilt-only steering wheel, OnStar emergency communications, Bluetooth phone connectivity and a six-speaker sound system with HD and satellite radio, a CD player, an auxiliary audio jack, two USB ports and an SD card slot.