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Groulx Automotive offers the exclusive 12-Month 12,000-Mile Bumper-to-Bumper Warranty on GM Certified used vehicles. And when you add in the 100,000-Mile/5-Year** Powertrain Limited Warranty, it only gets better. Enjoy added protection for your vehicle and greater peace of mind for you. Shop GM Certified vehicles now or learn more about our Bumper-to-Bumper Warranty.
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The most comprehensive in-vehicle security, navigation, communications and diagnostics system is standard wtih your OnStar-equipped GM vehicle.
Ready to learn what OnStar can do for you for? Click here or contact us at (866) 457-5520 and remember when looking for Buick dealers in Detroit or GMC Dealers in Detroit Groulx Automotive is the place to be.
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Dealer, please check out our hours and map page for easy driving directions to Groulx Automotive. Our 50 years in the automotive industry, and our professional friendly staff will be what stands us apart, when you're looking to make your next new or used vehicle like the Buick LaCrosse or GMC Terrain.Groulx Automotive invites you to be a guest of our dealership and experience the finest new and used cars the market has to offer. Located in Monroe, MI with Buick Pontiac and GMC cars, trucks and SUV's, Groulx Automotive is an easy drive from any location in or around Detroit and just under an hour from Ann Arbor. At Groulx Automotive, we're proud to offer our wide selection of quality, competitively priced new Pontiac, Buick or GMC cars, trucks or SUVs, or the pre-owned automobile of your choice. If you don't find what you're looking for in our online inventory, please contact us and our sales department will be happy to help you find it. Our inventory is updated daily, so whether you're looking for a Buick LaCrosse, or a GMC Sierra, this Monroe Buick Pontiac GMC Dealer can help.
Schedule your next service appointment online for your new or used Buick Pontiac GMC with Groulx Automotive! We also offer our parts catalog online as well as a large variety of GM Accessories - all at your convenience! You may also contact us at (866) 484-2202 to schedule your next appointment and when your ready look no further then Groulx Automotive for GMC dealerships in Monroe.