4WD, 3.42 Rear Axle Ratio, 9 Speakers, Air Conditioning, AM/FM radio: SiriusXM, Automatic temperature control, Black Assist Steps w/Chrome Strip, Bumpers: body-color, CD player, Convenience Package, Driver Alert Package, Front dual zone A/C, HD Trailering Package, Heated door mirrors, Inside Rear-View Auto-Dimming Mirror, Integrated Trailer Brake Controller, Manual Rear Liftgate, OnStar Basic Plan For 5 Years, OnStar w/4G LTE, Power door mirrors, Power Rear Liftgate, Power-Adjustable Pedals For Accelerator & Brake, Preferred Equipment Group 3SA, Premium audio system: IntelliLink, Premium Smooth Ride Suspension Package, Radio: AM/FM/SiriusXM/HD, Rear air conditioning, Rear window defroster, Roof rack: rails only, Safety Alert Seat, Spoiler, Standard Suspension Package, Universal Home Remote.Summit White 2015 GMC Yukon SLE 4WD 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L V8Awards: * JD Power Automotive Performance, Execution and Layout (APEAL) Study * 2015 KBB.com Brand Image AwardsReviews: * Strong V8 power; stout towing capacity; available nine-person seating capacity; extremely quiet highway ride; impressive interior quality. Source: Edmunds * If you need no-compromises hauling and towing ability, along with a no-compromises, first-rate interior, the 2015 GMC Yukon and Yukon XL are just the ticket. That goes double for the high-end Denali models. Source: KBB.com