Pre-Owned 2015 GMC Sierra 1500 SLT

2015 GMC Sierra 1500 SLT EcoTec3 5.3L V8 4WD

Welcome to McGrath Auto, your destination for industry leading automotive experiences. We’re proud to deliver unmatched quality and service. With over 13,000 5-star Google reviews, our customers’ trust and satisfaction drive everything we do. Whether you’re buying, servicing, or building your fleet, experience why McGrath Auto is the top choice for all your automotive needs! We’ve got everything from tough trucks to fuel-sipping commuters and adventure-ready SUVs. Our vehicles go through a rigorous inspection process, and we offer multiple layers of certification based on the vehicle's age, mileage and inspection results. Whether you’re shopping for a brand-new ride or a budget-friendly pre-owned gem, we’re here to make the process easy, fun, and stress-free.


Freight fees (not required by law) are included in advertised pricing. Tax, title, license, tags, electronic titling fees, a $180 documentation fee, and any other applicable dealer fees are not included and are the responsibility of the purchaser. Some in-stock vehicles may include a $1,295 Clear Guard Protection package that is pre-installed on select vehicles. MSRP (Manufacturer’s Suggested Retail Price) is provided for informational purposes only and is not the dealer’s advertised or selling price. Advertised pricing complies with manufacturer guidelines and may include all applicable rebates and incentives assigned to the dealer. Additional discounts or savings may be available—please contact the dealership to confirm eligibility. All prices, payments, specifications, features, and availability are subject to change without notice and prior sale. Example payments are estimates for illustrative purposes only; actual terms vary based on credit approval, and not all buyers will qualify. Certain factory incentives may not be combined with promotional APR offers. All offers may require financing or leasing through approved lenders. While every reasonable effort is made to ensure accuracy, errors may occur. Please verify all information, including pricing, equipment, and availability, with a dealership representative prior to purchase. Some in-stock vehicles may include a $1,295 Clear Guard Protection package. Fuel economy and driving range figures are EPA estimates; actual mileage and range may vary. The dealer is not responsible for the accuracy of information provided by third-party websites or advertisements not generated by the dealership. By submitting your phone number online, you consent to receive occasional SMS or voice communications regarding products and promotions; standard messaging rates may apply.