Onyx Black 2013 GMC Yukon XL Denali AWD 6-Speed Automatic HD Electronic with Overdrive Vortec 6.2L V8 SFI VVT AWD. Recent Arrival! Odometer is 47658 miles below market average! Reviews: * If you regularly need to carry eight or nine people and their gear and don t want to be seen in a minivan the GMC easily accommodates passengers and cargo. Those who need serious towing ability will find plenty of it even in lower-trim models of the 2013 Yukon. Source: KBB.com * Seating for up to nine passengers; class-leading interior space; smooth road manners; attractive interior with quality materials; powerful 6.2-liter V8 in the Denali. Source: Edmunds