The 2019 GMC Sierra 1500 4x4 is a fully redesigned, lighter, and more capable light-duty truck available in various configurations, including the off-road optimized AT4, luxurious Denali, and crew or double cab options. It features a 5.3L or 6.2L V8 and towing up to 12,200 lbs, with average prices for used models ranging from roughly $27,000 to over $36,000 depending on mileage and trim. Key Features and Specs Engine & Drivetrain: Common configurations include a 355-hp 5.3L V8 (8-speed automatic) Cabin Technology: Features an 8-inch touchscreen, available Apple CarPlay/Android Auto, Bose sound system, and a 360-degree camera system. Key Considerations Safety: Every 2019 Sierra includes the Teen Driver suite, with options for forward-collision alerts, lane-keep assist, and blind-zone alerts. Fuel Economy: Roughly 15–18 MPG combined, depending on engine/load. Reliability: Generally well-regarded, with owner reviews highlighting comfort and styling