
1. Limited availability at GMC EV dealers. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 12.4%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 3/31/25.
2. To qualify for the GM EV Marketplace Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by March 23, 2025; (2) register with Costco Auto Program online or through its call center by April 30, 2025, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any GMC EV dealer at time of visit; (4) take delivery between March 24, 2025, and April 30, 2025, of a new 2024 or 2025 GMC Sierra EV, HUMMER EV SUV, or HUMMER EV Pickup to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive. Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/EV for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.

1. Monthly payment is $28.16 for every $1,000 you finance. Average example down payment is 9.7%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 3/31/25.
2. AVAILABLE ON THE TURBOMAXTM ENGINE. Not available with lease and some other offers. Take new retail delivery by 3/31/25.
3. AVAILABLE ON THE TURBOMAXTM ENGINE. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE OR A CURRENT LESSEE OF A 2020 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE THROUGH GM FINANCIAL FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 3/31/25.
4. AVAILABLE ON THE TURBOMAXTM ENGINE.

*Ad, written estimate, or internet quote for identical tire(s) from a competing tire retailer/installer located within 100 miles of the dealer required during guarantee period for price match. Tire match price must be determined prior to applying a tire manufacturer rebate, if any. At participating dealers only. Offer ends 12/31/2025.


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Each GMC Certified Pre-Owned vehicle is thoroughly inspected and reconditioned and includes factory-backed limited warranties and roadside assistance.

Welcome to Sheehy GMC
Are you looking for a GMC dealership that will assist you with your vehicle needs? If so, Sheehy GMC in Hagerstown MD is the perfect answer to all your requirements. We have a wide range of new and used vehicles for you to choose from. Be it service, parts, tires, or accessories, you name it and we have it all! Browse through our GMC inventory online and find exactly what you need. Or better yet, check out our hours and directions page and make a short drive to our Hagerstown store. Hurry! Visit us soon.
