KBB.com Brand Image Awards. Delivers 20 Highway MPG and 14 City MPG! This GMC Yukon XL delivers a Gas V8 6.2L/378 engine powering this Automatic transmission. TRANSMISSION, 8-SPEED AUTOMATIC (STD), TIRES, P275/55R20 ALL-SEASON, BLACKWALL (STD), SUNROOF, POWER, TILT-SLIDING with express-open and close and wind deflector. This GMC Yukon XL Comes Equipped with These Options OPEN ROAD PACKAGE, (CF5) power sunroof, (U42) rear seat entertainment system and on SLT (IO6) Audio system with navigation, LICENSE PLATE FRONT MOUNTING PACKAGE , SEATS, SECOND ROW BUCKET, POWER (STD), REAR AXLE, 3.23, ONYX BLACK, LPO, WHEEL LOCKS (dealer-installed), JET BLACK, PERFORATED LEATHER-APPOINTED SEAT TRIM, DVD SCREEN, THIRD ROW, DENALI PREFERRED EQUIPMENT GROUP Includes Standard Equipment, ASSIST STEPS, POWER-RETRACTABLE with bright accent strip and perimeter lighting. Expert Reviews! As reported by KBB.com: 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. Stop By Today Test drive this must-see, must-drive, must-own beauty today at Bolton Chrysler Dodge Jeep, 11 E MAIN ST, Council Grove, KS 66846.