The 2023 GMC Sierra 1500 SLT is a full-size pickup truck that balances upscale comfort with serious power and utility. Equipped with a 6.2-liter V8 engine, it delivers top-tier performance in the Sierra lineup, appealing to buyers who want both refinement and capability for towing, hauling, and everyday driving.A 13.4-inch diagonal infotainment display with Google built-in, wireless Apple CarPlay and Android Auto, and a 12.3-inch driver information center are standard. The SLT also includes advanced driver aids like adaptive cruise control, lane-keep assist, and a 360-degree camera system.