ENGINE, 4.3L V6 with Direct Injection and Variable Valve Timing, includes aluminum block construction (276 hp [206 kW] @ 5200 rpm, 298 lb-ft of torque [404 Nm] @ 3900 rpm) (STD) (Reference the Engine/Axle page for availability.) ,TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking, Powertrain Grade Braking and Tap-Up/Tap-Down Driver Shift Control (STD) (Requires (LV1) 4.3L gas V6 engine. Reference the Engine/Axle page for availability.) ,AUDIO SYSTEM, AM/FM STEREO WITH MP3 PLAYER seek-and-scan, digital clock, TheftLock, random select, auxiliary jack and 2 front door speakers (STD) (Not available with (U2K) SiriusXM Radio or (WP9) Communications Package on orders placed prior to October 2, 2023.) ,DRIVER CONVENIENCE PACKAGE includes Tilt-Wheel and (K34) cruise control (Included with (WP9) Communications Package, (WPD) Safety Package, (ZL3) Enhanced Convenience Package or (PCH) Hotel Shuttle Package.)