The 2015 Chevrolet Silverado 3500 is a robust full-size, heavy-duty pickup truck from General Motors. Available in five trims: WT, LT, LTZ, High Country, and Z71; its 2nd generation model is engineered to deliver superior performance and towing capability. Drivetrain choices are either RWD or 4WD. It has two engine options a 6.0L V8 engine delivering 360 horsepower, and a stout Duramax 6.6L Turbo-Diesel V8 which can churn out 397 horsepower. Transmissions are 6-speed automatic for both engine types. Inside, the cabin offers best-in-class comfort, and tech-savvy features including Chevrolet's MyLink infotainment system on an 8" touch-screen display, hand-free smartphone integration, and available 4G LTE WiFi connectivity. It also incorporates Chevrolet's StabiliTrak and Trailer Sway Control, important safety features for towing and stability.