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. Length of contract limited. 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. 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.

1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 3/31/25. 2. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2020 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 3/31/25. 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 3/31/25.

*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.

Valid on select units only. Savings include Mullinax discount, manufacturer rebate and non-GM owner purchase allowance. Mullinax discount applies to all customers. To be eligible for the non-GM owner purchase allowance, you must be the current owner or lessee of a non-GM vehicle from 2010 or newer for at least 30 days before purchasing a new Buick. Offer for well-qualified buyers only. Residency restrictions apply. See salesperson for details. Offer expires 3/31/25.

Savings includes Mullinax discount. Mullinax discount applies to all customers. See salesperson for details. Offer expires 3/31/25.

See salesperson for details.

Offer only applies to select units. Savings includes Mullinax discount. Mullinax discount applies to all customers. See salesperson for details. Offer expires 3/31/25.

Explore Our Models

Buick
GMC

Service Your Vehicle with Us We have a full service bay with trained technicians standing by.

Schedule Service Service Specials Parts Specials

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

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Current Offers

View this month's current offers and promotions on select Buick, GMC vehicles.

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Welcome to Mullinax Buick GMC

In the market for a new ride? Point your wheels toward Mullinax Buick GMC and our huge inventory of new, used, and certified pre-owned vehicles. We make the buying process simple and convenient with Up Front^® Pricing and No Dealer Fees.

Low Up Front® Pricing

We put our best price on every vehicle - new, used and certified - so you always get a great deal, without any haggling.

No Dealer Fees

We never charge dealer fees, unlike many of our competitors. Save an average of $900 in fees. Just add tax and tag.

Huge Inventory

We offer a huge inventory of new and certified pre-owned Buick and GMC vehicles, as well as a large selection of used cars.

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Value Your Trade

How much is your vehicle worth? Get a free estimate with our online trade valuation tool.

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Service Center

Does your vehicle need service? We provide maintenance and repairs for many GM models.

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Sell Your Car

Ready to sell your car for cash? Mullinax wants to buy your vehicle. Get an offer today!

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Our Reviews

Google Mar 26, 2025

DealerRater Mar 25, 2025

Professional, and friendly staff. Salesperson easy to communicate with. Comfortable setting. I'm a satisfied customer.

Google Mar 24, 2025

Marcus (sales) and Shak (finance) were amazing to work with.

DealerRater Mar 23, 2025

The group was amazing but the wait after the sale was a bit much,this is our 2nd purchase from them and will definitely be going back if we do any more vehicle purchases

Google Mar 22, 2025

Easiest vehicle purchase I’ve ever made, and it was the furtherest dealership I’ve purchased from. De’Angelo was so pleasant to work with. Not to mention the best price. I am so pleased with my experience and happy with my new purchase!!

Google Mar 22, 2025

I was very pleased with Jalen's professional service. He was very cordial and knowledgeable about what we wanted. A super salesman!

DealerRater Mar 21, 2025

Marcus said a car was a sit that was not. Deangelo took the region and the rest was all good.

Google Mar 21, 2025

Great people made it easy

Google Mar 20, 2025

It was a great experience. I requested that they have everything ready when I arrived and they had me in and out quickly with a beautiful new Hummer EV. Roc was a great salesperson. She answered every question I threw her way and was an absolute professional!

Google Mar 19, 2025

Everything was great!! And Tony was awesome!!!

Google Mar 19, 2025

Summer in the service department was welcoming, helpful, friendly and professional. Couldn’t be better. Thanks Summer! ~Steve

Google Mar 18, 2025

I totally enjoyed working with Roc Jackson. She was professional and very knowledgeable. She helped me find a great truck for my son.

Google Mar 15, 2025

Great Service Experience

Google Mar 14, 2025

I really appreciated the hard work of the staff. Very quick, responsive, and professional. Special thanks to Jalen for helping making the process very smooth. Go see everyone there and they’ll take good care of you. Thanks again! Sorry I didn’t take any pics

Google Mar 14, 2025

Google Mar 13, 2025

DealerRater Mar 12, 2025

Always treat you like family and know you by name after one visit. I have bought many trucks and suvs from them. You will enjoy the guys at Mullinax.

DealerRater Mar 10, 2025

Marcus is a great salesman, he had me in and out of the dealership in under 2 hours with a trade on a new GMC 2500. If you are in the market for a new vehicle I highly recommend Marcus to be your salesman, he won’t let you down! Thanks again

Welcome to Mullinax Buick GMC

Thank you for making your way to Mullinax Buick GMC, your certified Buick, GMC dealer serving drivers throughout Montgomery and the surrounding areas. At our dealership, you’ll find a solid selection of new Buick, GMC models for sale, as well as a carefully inspected lineup of pre-owned vehicles. We also have a well-connected finance center run by a qualified team of finance experts, who can help you get the right loan or lease in a quick, easy, and transparent manner.

Our commitment to our customers continues well beyond the date of purchase. We also have a professional team of Buick, GMC technicians on hand with the skills and equipment to handle all manner of maintenance and repairs, as well as a full stock of authentic parts. Make your way to Mullinax Buick GMC in Montgomery today for quality vehicles, a friendly team, and professional service at every step of the way. And if you have any questions for us, you can always get in touch at (334) 851-8000.

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