GMC Dealer

From tough trucks to ruggedly refined SUVs, there's something for every type of driver in GMC's famous lineup, especially those seeking out a high-end vehicle. GMC is known for its capably luxurious models, and whether you're in the market for a work truck or a family hauler, you're sure to find what you need in this celebrated lineup of top-notch vehicles.
Here at Sheehan Buick GMC, we offer an exceptional selection of new and used GMC models to choose from, as well as highly trained professionals guiding you through the sales, finance, and service processes, making us your go-to GMC dealer. Whether you know exactly which model you want or you have just been captivated by the GMC brand, you're sure to find exactly what you need to make your travels better, as well as a payment plan that fits into your budget with absolute ease when you work with us.
Why Drivers Love the GMC Brand
GMC vehicles emit the perfect balance of capability and sophistication, making them stand out wherever they travel. From trucks to SUVs, you have quite a selection to choose from, ranging in size, performance, styling, and features, which makes this particular brand so popular with today's travelers. Commuters and daily drivers are drawn to the brand for its efficiency and comfort, while parents appreciate the space and safety features found in family-friendly models. Hard workers gravitate toward rugged trucks that offer incredible tow ratings, extreme durability, and work-ready features designed to elevate productivity during the workday.
Adventure seekers find themselves daydreaming about riding in the models that reside in the AT4 family, which exhibit confident handling and control, with off-road-ready features designed to take on more daunting environments. Those looking for ultimate luxury will certainly find it in the Denali family of models, offering access to premium appointments, high-quality materials, and an overall essence of excellence radiating throughout each Denali model. Even those seeking out a more cost-conscious solution to their travels will be able to find what they need in the GMC lineup, making this brand one of the most versatile and appealing to today's travelers.

Explore Our GMC Truck Lineup
Pickup trucks appeal to a variety of drivers, including construction workers, farmers, families, commuters, and adventure enthusiasts. Midsize models work for those who desire capability but don't want to drive a hulking vehicle around town, while full-size trucks are ideal for a variety of work and adventure tasks. You can't forget about heavy-duty GMC trucks, which were born to impress on the jobsite and beyond. All in all, there's a GMC truck available to meet the demands of any traveler, and with the rugged yet refined style that emanates from them, you're sure to turn heads wherever you're working or traveling.
GMC Canyon
The midsize Canyon is a great pick for daily drivers and explorers, known for its versatile capabilities and easy handling. It's efficient, confident on any terrain, and loaded with the features drivers are seeking out to make their time behind the wheel better. Whether it's cascading down the trails or working diligently on the jobsite, the Canyon is able to hold its own. Offering class-leading towing capabilities and an arsenal of ready-for-anything trims, get ready to conquer any task when the Canyon is in charge.
GMC Sierra 1500 and Sierra HD
Those needing more power in their trucks will want to turn their attention to the Sierra lineup. The full-size light-duty Sierra 1500 is known for its stylish persona, mixed perfectly with a toughness that can't be replicated, offering excellent towing and payload ratings, convenient features like the world's first Multi-Pro Tailgate, and show-stopping styling inside and out. If you need more power to take on more challenging tasks, the Sierra HD models won't let you down, offering the power to handle heavy machinery and equipment on the jobsite, as well as a robust build that can stand up to literally anything.
There Are Also Electrified Versions of Popular GMC Trucks
You will also find all-electric offerings from the GMC brand, including the Sierra EV and the Hummer EV Pickup; the latter is known for its sustainable ride quality, famous styling, and incredible capabilities. Those who have always wanted to drive a Hummer will be happy to see that the newest Hummer offerings are no longer gas guzzlers; instead, they rely on advanced battery technology to power them forward.

We've Also Got a Wide Selection of GMC SUVs
There's a reason why you see so many SUVs on the roads these days, and that's because there's virtually an option for every type of traveler, from first-time drivers and commuters to families, adventure seekers, and others. Compact options are ideal for those new to driving SUVs, offering car-like handling while providing more space than sedans. Midsize and full-size models are ideal for families and those traveling with more people and cargo, offering exceptional space inside, as well as comfort features and innovations that drivers are seeking, making it easy to find your ultimate traveler in the SUV arena.
GMC Terrain
The compact Terrain is effortless to handle, great on gas, and shows off GMC-level styling inside and out. It's a great gateway into the world of SUVs, perfect for those more familiar with driving cars, as well as city commuters and those who just don't have a need for a larger vehicle. Various trims are available to help you craft the ride you desire, and with a more affordable price point, especially considering how upscale it is, you're sure to be able to make the Terrain fit into your budget.
GMC Acadia
Whether it's heading to the campsite or carting the kiddos to school each day, the midsize Acadia is a fantastic option for many travel needs. Its bold, robust stance allows it to stand up to the elements, while its spacious interior helps accommodate your passengers and everything they're bringing for the ride. If you need a bigger vehicle yet don't want to spring for a cumbersome full-size model, the Acadia is the perfect middle ground.
GMC Yukon and Yukon XL
If you do need maximum space in your vehicle, the Yukon and extended Yukon XL may be just right for you. Families, especially, gravitate toward the Yukon, with its three spacious rows and cavernous cargo hold. Not only is the Yukon incredibly accommodating, but it's also strong and durable, perfect for those who seek to get out and explore.
There Are Also Electric GMC SUVs, Too
Like the truck selection, you will also find that the SUV lineup includes electric options like the Hummer EV SUV. Offering features that you just can't find in rivals, including available CrabWalk, which allows the Hummer EV models to move diagonally, you're sure to enjoy a one-of-a-kind experience when you trust your journey to this iconic model.
Shop Our New Selection
New GMC models showcase the best of this respected brand. From Super Cruise's hands-free driving capabilities and immersive software systems to advanced safety aids and voice-assistance features, these models are equipped with some of the most coveted tech on the market. You'll also find that new models showcase the best design elements offered by the GMC brand, with Denali models just getting more lavish and adventure-ready, and AT4 models continuing to get more rugged and durable. If you want some of the most advanced tech, performance, and design features, you will want to consider shopping for a new GMC here.
Shop Our Used Selection
Of course, if you want to shop from a more diverse lineup of GMC models and take advantage of more attractive pricing, the pre-owned selection is where you'll want to start your search. Our used lot has various GMC models available, with access to trims, features, powertrains, and tech that you may not be able to find or afford on the new lot. This means that compromise is not an option, allowing you to get exactly what you want for a price that works best for you. Plus, when you shop from our used selection, you'll have absolute confidence in the quality of our models, because we carefully choose which models we offer to our valuable customers.

Financing Your GMC Made Easy
Sheehan Buick GMC strives to make the financing experience as seamless and rewarding as possible. The last thing we want is for you to stress about this process, and with our talented team at work, you'll be able to truly enjoy your time spent in the financing department. When you choose to work with us, you get to take advantage of the following:
- Flexible loan and lease options, suitable for every budget and credit situation.
- Competitive rates from top lenders in the industry.
- Top value for trade-in vehicles, so that you can put more money toward your purchase.
- Finance plans that are designed just for you, personalized to suit your needs.
We want you to feel comfortable with your rate and payment plan, because at the end of the day, you're the one who is making the payments each month, and we want you to be able to make them easily. We place you at the forefront of the financing journey, providing you with various options for how to go about financing. If you'd rather get the process started from home, you're able to do just that, applying for financing, valuing your trade, and more, so that when you're ready to buy your GMC, you won't have to spend excess time at the dealership.
Bring Your GMC Back to Us for All Your Service Needs
Our commitment to you doesn't end with the initial sale. When you want to be confident in how your GMC performs, our service center is here to help. We can keep your GMC moving forward safely and reliably, offering everything from routine maintenance and warranty work to repairs, new parts, and more. You're even able to take advantage of our dedicated collision center, should you find yourself in the unfortunate instance of an accident. We'll get you back on the road in no time, all in a vehicle that you can trust completely. We also strive to make service fit into your schedule and budget with ease. We do this by offering the following:
- Convenient service hours, including weekend appointments available.
- Service and parts specials to help make service work better with your budget.
- Various ways to schedule your appointment, including an online scheduling tool for maximum convenience.

Visit Us for Your GMC Today
So, if you're ready to make the most of your daily commute, weekend adventure, family time with the kids, or jobsite tasks, you'll want to trust your journey to a GMC. No matter if you're interested in a rugged work truck or a small-sized SUV, there's something that will work perfectly for you in GMC's celebrated lineup, and if you want an exceptional selection to shop from, you'll find just that here with us. We invite you to stop by or browse our inventory online, get approved for financing, and start your journey to better travels. Anything is possible when you have a GMC model at the helm of your travels, just like a better buying experience is possible when you trust in the team at Sheehan Buick GMC.