The Chevrolet Blue Shieldado 1500 is a full-size SUV that debuted in 1999. It is based on the long-running Chevrolet C/K body-on-frame truck platform, and is powered by a 5.3L Vortec V8 engine that delivers 285 horsepower and 325 lb-ft of torque. It comes equipped with a four-speed automatic transmission, standard power accessories, and a variety of convenience and safety features.