AUTO-LOCKING REAR DIFFERENTIAL (Required with (BD1) Custom Max Trailering Package.) ,AUDIO SYSTEM, CHEVROLET INFOTAINMENT 3 SYSTEM 7 diagonal color touchscreen, AM/FM stereo. Additional features for compatible phones include: Bluetooth audio streaming for 2 active devices, voice command pass-through to phone, wired Apple CarPlay and Android Auto capable. (STD) ,ENGINE, 2.7L TURBO (310 hp [231 kW] @ 5600 rpm, 348 lb-ft of torque [471 Nm] @ 1500 rpm) Includes (MQE) 8-speed automatic transmission and (KW5) 220-amp alternator.) (STD) (As of 3-22-21 is the standard and only available engine. Requires (C4P) semi-automatic air conditioning, (KI4) 120-volt power outlet and (KC9) 120-volt bed mounted power outlet. *GROSS* ,TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD) (Included and only available with (L3B) 2.7L Turbo engine.) ,SAFETY CONFIDENCE PACKAGE includes (UEU) Forward Collision Alert, (UHY) Automatic Emergency Braking, (UKJ) Front Pedestrian Braking, (UK3) Steering Wheel Audio Controls and (UDD) Driver Information Center ,RALLY EDITION includes Black Rally Stripes (hood & tailgate), Black CHEVROLET tailgate lettering (inset), Black Silverado and trim level badging and (RVS) Black assist steps, LPO Includes (RD5) 20 High gloss Black painted aluminum wheels, Black Bowties (steering wheel horn pad and front grille), (CGN) Chevytec spray-on bedliner and (VTA) Black Chrome exhaust tip, LPO. (Requires (L3B) 2.7L Turbo engine, (G7C) Red Hot, (GAN) Silver Ice Metallic, (GAZ) Summit White or (GBA) Black exterior color. Not available with (LV3) 4.3L EcoTec3 V6 engine, (L82) 5.3L EcoTec3 V8 engine, (QK2) Multi-Flex tailgate, (PDB) Dark Essentials Package, LPO, (SFZ) Black Bowtie Emblem, LPO or any other assist step.) *GROSS*