With three engine options, you'll get the power or efficiency you're searching for with your 2017 Chevy Silverado. The biggest engine, a 6.2L EcoTec3 V8 will power you to 420 horsepower, 460 lb-ft of torque and a best-in-class 12,500 pounds of towing capacity. The smaller 4.3L EcoTec3 V6 offers the most torque in it's class and a solid 24 MPG highway. Want something in the middle? How about a 5.3L EcoTec3 V8 with best-in-class 23 MPG highway. No matter which engine suits your needs or lifestyle, you can rest assured that you're getting powerful capability and impressive efficiency.