The 2023 Chevy Silverado 1500 5.3-liter EcoTec3 V8 ups the horsepower to 355 and the torque to 383 lb-ft. This engine can tow up to 11,000 pounds and manage a payload of 2,080 pounds. This engine is standard in the RST, LTZ, and High Country, and is available in the WT and LT.