ENGINE, 5.3L ECOTEC3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm) (STD) ,TRANSMISSION, 10-SPEED AUTOMATIC electronically controlled with overdrive, includes Traction Select System including tow/haul (STD) (Standard with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine only.) ,SUN AND TOW PACKAGE includes (C3U) power sunroof and (NHT) Max Trailering Package (Requires (L84) 5.3L EcoTec3 V8 engine or (LZ0) Duramax 3.0L Turbo-Diesel engine. Not available with (PDG) Technology and Entertainment Package, (ZM1) Enhanced Trailer View, (UKL) Super Cruise or (B3L) power-retractable assist steps.) ,WHEELS, 22 X 9 (55.9 CM X 22.9 CM) MANOOGIAN SILVER PAINTED ALUMINUM (Includes (SFE) wheel locks, LPO.) ,LPO, PREMIUM LINER PROTECTION PACKAGE includes (AAK) 1st and 2nd row premium floor liners, LPO, (RIB) 3rd row all-weather floor liner, LPO and (CAV) all-weather cargo mat, LPO (dealer-installed) ,AUDIO SYSTEM, 17.7 DIAGONAL ADVANCED COLOR LCD DISPLAY with Google built-in compatibility (select service plan required, terms and limitations apply), including navigation capability, connected apps, personalized profiles for each drivers settings, Natural Voice Recognition and Phone Integration (STD) ,ADVANCED TRAILERING PACKAGE includes (UKW) Blind Zone Steering Assist with Trailering, (PZ8) Hitch View and (UET) Smart Trailer Integration Indicator (Included and only available with (NHT) Max Trailering Package.)