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 4/30/25. 2. To qualify for the GM EV Marketplace Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by April 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 April 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 4/30/25. 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 4/30/25.
1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 4/30/25. 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 4/30/25. 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 4/30/25.
Eligible tire brands are Goodyear, Dunlop, Bridgestone, Firestone, Continental, General, Hankook, Kelly, Pirelli, Uniroyal. Purchase and installation must be at a participating U.S. GM Dealer. See dealership for tire pricing, savings vary by dealership and tire. Lowest or equal value tire will be $1. Maximum consumer purchase price of $450 per tire. Additional taxes and fees may apply. Offer subject to availability and may change at any time. Limit one offer per VIN. No other offers apply, except GM Tire Price Match Guarantee (Restrictions apply. Eligible price must be provided at the time of purchase. At participating dealers only. Visit Buick.com/tires for details.). Offer ends 5/31/2025.

Current Offers

View this months current offers and promotions on select Buick/GMC vehicles.

Welcome to Mandal Buick GMC

Mandal Buick GMC is your one-stop shop for all things auto. We have our service department, finance center, leasing office, and auto parts store under one roof. That said, whether you need a new car or want to buy accessories, you can go to our Diberville dealer. Our team will provide you with personalized solutions so that you can focus on enjoying your car ownership journey near Biloxi. Learn more about our services below.

Visit Us for GMC or Buick Financing & Leasing

As your premier Buick and GMC dealership near Gulfport, Mandal Buick GMC boasts an expansive selection of new, certified pre-owned, and used vehicles to suit your unique needs. Our team also offers a wide range of GMC and Buick financing and leasing options across our inventory so you can find a model that suits your lifestyle and budget. Browse our selection of Buick and GMC lease deals and financing offers online to discover how much you can save on your next performance-oriented truck or family-friendly SUV when you shop with Mandal Buick GMC.

Trust the Experts at Our Buick & GMC Service Center

Mandal Buick GMC's commitment to providing a first-rate dealership experience doesn't stop at our Buick and GMC lease deals. After you drive off our lot in a new or pre-owned car, the certified technicians at our Buick & GMC service center are here to help you stay up-to-date with your latest maintenance needs, from oil changes to brake service. In addition, our experts perform all their repairs with certified Buick and GMC parts from our parts department, ensuring you receive a perfect fit on every replacement. Schedule an appointment online with our Buick and GMC service center today, and our team will help you keep your vehicle in tip-top shape. 

Reach Out to Our Buick & GMC Dealership Near Ocean Springs

Turn to our Diberville dealer if you want exceptional customer service. Get in touch today by calling us at (228) 273-8949 or connecting with us online. We want to help you with your car needs.

Our Reviews

Get Directions To Our Dealership

Mandal Buick GMC 30.45104, -88.89944.