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2026
GMC Sierra 1500
Tailored for Tomorrow — Today
The 2026 GMC Sierra 1500 continues GMC’s legacy of capability and innovation, pairing strong towing and hauling performance with breakthrough tech like available Super Cruise® hands-free driving. With a range of powerful engine options and advanced safety and connectivity features, it’s engineered for both demanding workdays and everyday drives. From rugged off-road trims to refined Denali luxury, Sierra elevates every adventure with confidence and control.
Drive with Confidence
The story of your used vehicle search starts right here. And while there are a lot of options out there, buying a Certified Plus vehicle from GMC means having confidence in your purchase. As you begin your next chapter with a Certified Plus vehicle, you’ll get great benefits that you don’t get with an ordinary used vehicle. That’s because we offer one of the most comprehensive used-vehicle benefits packages in the industry.
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Certified Service Experts Can Help
We made your GMC the superior vehicle it is today and we want to ensure it remains that way. Green Brook Buick GMC technicians are highly trained and certified to perform whatever work you may need on your vehicle. Schedule your next appointment with us today.
Schedule ServiceGreen Brook Buick GMC
Serving GREEN BROOK, NJ
Whatever you need for success on the road ahead, our team here at Green Brook Buick GMC is ready to assist you! Our family-owned dealership has years of experience serving our neighbors here in Green Brook and drivers throughout the central Jersey area, and we'll put that experience to work as we help you with anything you require.
More About UsAddress
101 US HIGHWAY 22 EASTBOUND, GREEN BROOK, NJ 08812
Sales Hours
| Monday | 9:00AM - 7:00PM |
| Tuesday | 9:00AM - 7:00PM |
| Wednesday | 9:00AM - 7:00PM |
| Thursday | 9:00AM - 7:00PM |
| Friday | 9:00AM - 6:00PM |
| Saturday | 9:00AM - 6:00PM |
| Sunday | Closed |
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Green Brook Buick GMC: Quality You Can Trust Since 1999
Getting the chance to grow alongside this community for more than two decades is an honor we're proud of, and we've built many lasting relationships with our customers in that time. Plenty has changed over those years, but our commitment to values like respect and honesty is still clear to see in the quality service we provide to every customer.
Contact Green Buick GMC today. Serving Green Brook, Warren, Plainfield, Piscataway and New Jersey.
Key Takeaways
- Green Brook Buick GMC has served drivers since 1999 with a focus on honest customer care, award-winning service, and a wide selection of Buick and GMC vehicles.
- Our dealer offers ASE-certified service technicians, flexible financing options, and support for drivers rebuilding their credit.
- Spanish-speaking team members are available to help customers feel comfortable and confident throughout the shopping and service experience.
Award-Winning Service for Everybody
The high standard we maintain at our dealership has earned us multiple Dealer of the Year and Mark of Excellence awards. We're proud to provide that award-winning service to everyone in our community, with Spanish-speaking team members standing by to assist you.
Highlights from Our Inventory
There's a truck for everybody in the Sierra lineup, from the versatile Sierra 1500 to heavy-duty options for anyone who needs some extra engine strength. Along with providing class-leading engine power, these trucks offer cutting-edge technology like the available Super Cruise system to take your experience to the next level.
The GMC Terrain delivers the versatility and modern technology many drivers want in a compact SUV. Recent models feature a turbocharged 1.5-liter engine producing 175 horsepower, along with available all-wheel drive and selectable drive modes for added confidence in changing road conditions. Inside, the Terrain offers a bold redesigned cabin with a large 15-inch infotainment display, advanced driver-assist features, and flexible cargo space for everyday convenience.
Perfect for your next road trip or family vacation, the GMC Acadia offers three-row seating and impressive interior flexibility. Newer models provide up to 97.5 cubic feet of maximum cargo space, giving you plenty of room for luggage, sports equipment, groceries, and more. Along with its spacious cabin, the Acadia features updated technology, advanced safety systems, and available premium interior finishes that help make every drive more comfortable.
The Buick Encore GX combines sophisticated styling with efficiency and modern technology. Inside, the Encore GX features an upscale interior design, intuitive infotainment technology, and flexible seating and cargo configurations that make it easy to adapt to your daily routine.
Everything you could want in your next SUV is waiting for you in the GMC Yukon. The Yukon Denali Ultimate delivers premium luxury with features like standard 16-way power front seats with a massage feature, Air Ride Adaptive Suspension, and an available Super Cruise hands-free driving system. Recent models also include a standard 6.2-liter V8 engine.
Hablamos Español
We believe every customer should feel comfortable and informed throughout the car-buying and ownership experience. That's why we proudly offer Spanish-speaking staff members who can assist with vehicle shopping, financing, service scheduling, and more.
Our bilingual team is here to help answer questions clearly and guide customers through every step of the process. From exploring your options on the lot to reviewing financing details, we're committed to making communication simple.
Discover Our Service Center
Keeping your vehicle in excellent condition is easy when you have a trusted service center on your side. Our team is equipped to handle everything from routine maintenance visits to more advanced repairs, helping your Buick or GMC continue performing at a high level.
Our ASE-certified technicians have the training and experience needed to work on a wide variety of models and systems. We use advanced diagnostic equipment and genuine OEM parts to help deliver dependable results during every visit.
Drivers can visit us for services such as:
- Oil changes
- Brake inspections and repairs
- Tire rotations and wheel alignments
- Battery testing and replacement
- Transmission and engine diagnostics
- Multi-point vehicle inspections
We also make it easy to schedule service appointments and stay current on recommended maintenance intervals. No matter if your vehicle needs quick routine care or more detailed repair work, our service team is ready to help.
Finance a Car at Our Dealer
Financing a vehicle should feel straightforward, and our finance center is here to help make that happen. Our experienced finance professionals work with a wide network of lenders to help drivers explore financing solutions that fit their needs and budget.
No matter if you're shopping for your first vehicle, upgrading to a newer model, or rebuilding your credit after financial challenges, our team will take the time to explain your options clearly. We work with customers across a wide range of credit backgrounds and aim to create financing plans that are practical and competitive.
Our finance center can assist with:
- Auto loans for new and used vehicles
- Lease options for qualifying models
- Trade-in evaluations
- Monthly payment planning
- Credit application assistance
- Financing solutions for different credit situations
We also offer online shopping and financing tools that allow drivers to value their trade, estimate payments, and apply for financing from home. With competitive rates and personalized support, we help make it easier to drive home in a vehicle that fits your lifestyle.
Visit Green Brook Buick GMC Today
At Green Brook Buick GMC, we're committed to delivering a dealership experience centered around quality vehicles, professional service, and customer care you can count on. From helping drivers shop for their next Buick or GMC to supporting long-term vehicle maintenance, our team is here to assist every step of the way.
We proudly serve drivers from Green Brook, Warren, Plainfield, and Piscataway and look forward to helping you with all your automotive needs.
Contact us today to learn more.