ENGINE, VORTEC 4.8L V8 SFI (285 hp [212.5 kW] @ 5400 rpm, 295 lb-ft of torque [398.3 N-m] @ 4600 rpm) (STD) (Includes external engine oil cooler. Standard on TG23405, TG23705, TG33405 and TG33705 models. Reference the Engine/Axle page for availability.) ,TRANSMISSION, 6-SPEED AUTOMATIC, HEAVY-DUTY, ELECTRONICALLY CONTROLLED with overdrive tow/haul mode and internal transmission oil cooler (STD) (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) ,CONVENIENCE PACKAGE, TILT-WHEEL AND (K34) CRUISE CONTROL (Included with (PCH) Hotel Shuttle Package.)