The 2015 GMC Terrain is available in SLE, SLT and Denali trim levels. Standard equipment for the base SLE-1 trim includes 17-inch alloy wheels, heated sideview mirrors, an auto-dimming rearview mirror, a rearview camera, cruise control, a power height-adjustable driver seat, a 60/40 split-folding rear seat. Move up to the SLE-2 trim and you'll get roof rails, automatic climate control, an eight-way power driver seat with power lumbar adjustment, a leather-wrapped steering wheel, upgraded cloth upholstery, Bluetooth audio and an upgraded eight-speaker Pioneer audio system. Upgrade to the SLT-1 and you'll get all the SLE-2's standard equipment as well as the Convenience package contents and leather upholstery. The Denali trim incorporates everything that's standard for the SLT-2, but adds Denali-specific wheel rear cross-traffic and side blind-zone alert systems, an eight-way power passenger seat and special exterior/interior trim details.