Scores 18 Highway MPG and 14 City MPG! This GMC Yukon XL boasts a Gas V8 6.2L/ engine powering this Automatic transmission. TRANSMISSION, 10-SPEED AUTOMATIC electronically controlled with overdrive, includes Traction Select System including tow/haul (STD), SUN & POWER STEP PACKAGE includes (C3U) power sunroof and (B3L) power-retractable assist steps with perimeter lighting, LPO, FLOOR LINER PACKAGE (dealer-installed) (Includes (AAK) 1st and 2nd row premium floor liners, LPO, (RIB) 3rd row all-weather floor liners, LPO and (CAV) all-weather cargo mat, LPO.).* This GMC Yukon XL Features the Following Options *ENGINE, 6.2L ECOTEC3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (420 hp 313 kW @ 5600 rpm, 460 lb-ft of torque 624 Nm @ 4100 rpm) (STD), DOWNPOUR METALLIC, Wireless Phone Charging, for portable devices, Wireless Apple CarPlay/Wireless Android Auto, Wipers, front intermittent, Rainsense, Wiper, rear intermittent, Windows, power, rear with Express-Down, Window, power with front passenger Express-Up/Down, Window, power with driver Express-Up/Down, Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.).