Welcome to Chuck Nash Buick GMC
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New 2026 Buick Enclave Sport Touring, VIN 5GAERBKS5TJ176127. MSRP $56,404. Includes $7,504 dealer discount, purchase allowance of $1,250, and bonus cash of $500.. Sale price $47,375 after $225 documentation fee. Tax, title, license and government fees extra. See dealer for details. Offers expire 7/31/26.
2026 Buick Enclave Sport Touring
New 2026 Buick Encore GX Sport Touring Courtesy Transportation Unit, Stock #TB086399, VIN KL4AMDSL9TB086399. MSRP $32,475. Includes $5,700 dealer discount. Sale price $27,000 after $225 documentation fee. Tax, title, license and government fees extra. See dealer for current mileage and details. Offer expires 7/31/26.
New 2026 GMC Sierra 1500 SLT, VIN 3GTUUDED1TG228646. MSRP $68,489. Includes $10,859 dealer discount, $1,750 Purchase Allowance and $2,500 Bonus Cash for total savings of $15,109. Sale price $53,605 after $225 documentation fee. Tax, title, license and government fees extra. See dealer for details. Offers expire 7/31/26.
New 2026 Buick Enclave Preferred, VIN 5GAEVAKS4TJ113378. MSRP $53,055. Includes $6,070 dealer discount, $1,250 Purchase Allowance and $500 Bonus Cash for total savings of $7,820. Sale price $45,460 after $225 documentation fee. Tax, title, license and government fees extra. See dealer for details. Offers expire 7/31/26.
1. Length of contract limited. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 2. Tax, title, license, and dealer fees extra. Dealer sets final price. Length of contract limited. Some customers will not qualify. Savings based on Bankrate of 5.22%. At participating dealers only. Not available with lease and some other offers. Take new retail delivery by 8/3/26.
1. Length of contract limited. Must finance through GM Financial. Some customers July not qualify. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 2. MUST BE A CURRENT OWNER OF A 2012 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2021 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers July not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 8/3/26.
1. Length of contract limited. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/3/26. 2. Tax, title, license, and dealer fees extra. Dealer sets final price. Not available with some other offers. Take new retail delivery by 8/3/26. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 8/3/26.
OnStar® plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Not all vehicles may transmit all crash data. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. Subject to user terms. See onstar.com for details and limitations.
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Welcome to Chuck Nash Buick GMC

Your Premier Buick GMC Dealership in San Marcos

Buick and GMC vehicles have long been recognized for their confident performance, innovative technology, and refined design, delivering a driving experience that stands out on Central Texas roads and beyond. If you're shopping for a new vehicle or looking for auto repairs in the San Marcos area, you'll find everything you need at Chuck Nash Buick GMC. Whether you are shopping for a new or pre-owned model, our expansive inventory offers something to fit every lifestyle, and our GM service department can easily take care of any maintenance you need. Discover what makes our local dealership the ideal destination for your next vehicle.

An Extensive New & Pre-Owned Inventory

When comparing local car dealerships in San Marcos, you'll find that Chuck Nash Buick GMC always comes out as your top choice. From luxury crossovers like the Buick Enclave, Envision, and Encore to rugged SUVs and pickups like the GMC Terrain and Sierra 1500, we have a new vehicle sure to check every box on your wishlist.

If you are interested in getting the keys to a used car for sale nearby, we have you covered. We feature a comprehensive lineup of certified pre-owned vehicles that provide new-car peace of mind at a used-car price, alongside a wide-ranging selection of traditional pre-owned models from the world’s leading automakers. Apply for a GMC finance offer or view Buick specials to get the keys to a new car today!

Personalized GM Finance and Leasing Options

We understand that a new or new-to-you vehicle is an investment, which is why our GM financing specialists are on hand to help. Our team is here to explain the differences between buying vs. leasing a car, and we will explore all your options to make sure you secure a competitive finance rate. We have longstanding relationships with a variety of lenders to ensure your next ride meets your budget. Browse our new GMC lease specials to save on your next vehicle, or get a head start on the buying process by filling out our financing application online.

Certified Buick GMC Service Center in San Marcos, TX

When your vehicle requires routine maintenance or an unexpected repair, you can always trust the Chuck Nash Buick GMC service center. Our skilled, certified GM service team is ready to perform the work needed to keep your vehicle running its best, handling everything from GMC truck oil changes to comprehensive Buick repairs.

We use genuine OEM GMC parts in our repairs whenever possible—known for their precise fit and reliability—so that you can enjoy maximum top-quality peace of mind. Schedule your Buick or GMC repairs and address your maintenance needs at our San Marcos dealership today.

Your Local GM Dealership in Central Texas

Our primary goal is to provide a stress-free and straightforward customer experience, backed by knowledgeable staff and exceptional service every step of the way. You'll find Chuck Nash Buick GMC at 3209 N Ih 35 in San Marcos, which is just a short drive away for our friends from Kyle, Buda, New Braunfels, and across Central TX.

Whether you're looking to finance a new GMC truck, take a test drive, or get expert Buick repairs nearby, we look forward to assisting with whatever you need. We hope to see you soon!

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3209 N Ih 35, San Marcos, TX, 78666
Chuck Nash Buick GMC 29.9363, -97.8864.