We have a huge selection of Sierra trucks from half-ton to one-ton, crew cabs, extended cabs, regular cabs, short beds and long beds. WHY CHOOSE ROBERTSON'S GMC TRUCK? Let us introduce you to our staff, show you some of our special vehicle offers, and take you through our complete line of new and used inventory. We can help you find exactly what you are looking for. We know your time is valuable. We are sure you will find our website a fast and convenient way to research and find a vehicle that's right for you. If we can be of any assistance while you're visiting us online, send us an email or call us at (508) 273-2525 and we will promptly reply. Service and parts are closed on Saturday -Huge selection of Sierra and Savana Van inventory