2023 GMC Sierra 1500 AT4X in Summit White with an Obsidian Rush interior delivers a bold stance, refined craftsmanship, and advanced off-road capability. This AT4X is engineered for drivers who demand premium comfort and rugged performance in one exceptional truck.Entertainment FeaturesPremium audio systemBluetooth connectivityApple CarPlayAndroid AutoSAFETY FEATURESForward Collision AlertLane Keep Assist with Lane Departure WarningFront and Rear Park AssistHD Surround VisionRear Cross Traffic BrakingSTANDARD FEATURESHeated and ventilated front seatsOff-roadtuned suspensionMultimatic DSSV dampersIntegrated trailer brake controllerPower tailgateRemote start systemDual-zone automatic climate controlLED exterior lightingKeyless open and startHill Descent ControlMECHANICAL FEATURESEcoTec3 6.2L V8 engine10-speed automatic transmissionAutotrac 2-speed transfer caseSkid plates for underbody protection4WD with selectable drive modesHeavy-duty air filterAutomatic locking rear differentialHigh-capacity cooling systemOff-road chassis tuningPerformance dual exhaustWhy Buy From Port Lavaca Auto GroupTransparent, customer-first buying experienceWide selection of high-quality vehiclesFast, simple, stress-free purchasing processKnowledgeable team committed to long-term satisfactionCommunity-trusted dealership with exceptional serviceWhat Customers Are SayingOur Google reviews consistently praise our professionalism and commitment to customer care.From start to finish, the team at Port Lavaca made the process effortless. Exceptional service and honest communication. I couldnt be happier with my purchase! Michael R., January 18, 2025