An exterior shot of a Buick GMC vehicle.

Welcome to Sterling Buick GMC

1. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 10.3%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 11/2/26. 2. Deferred monthly payments for 92 days. 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 11/2/26.

0% APR FOR 5 YEARS for well-qualified buyers when you finance through GM Financial.1

Plus, no monthly payments until next year.2

1. Bonus Offer valid from 10/1/26 through 11/30/26. Receive up to 50,000 GM Rewards Bonus Points (currently up to a $500 value when redeemed with GM) based on your monthly GM Financial payment. To be eligible for this Bonus Offer you must: (1) purchase or lease a new or unused Chevrolet, Buick, GMC or Cadillac vehicle and take delivery of your new vehicle by 11/30/26; and (2) finance your purchase or lease through GM Financial or Cadillac Financial. Only one Bonus Offer permitted per GM Rewards Mastercard Account. To be eligible for this Bonus Offer, your GM Rewards Mastercard Account must be open and in good standing at time of fulfillment. GM reserves the right to modify or revoke the Bonus Offer at any time. The GM Rewards Bonus Points will be added to the GM Rewards Member account associated with your GM Rewards Mastercard up to 30 days after completion of the offer requirements. 2. The value of points may vary by redemption option and may change from time to time at GM’s sole discretion. 3. To be eligible, members must have a GM or Cadillac Financial MyAccount and a minimum of 500 points available. Customer is still responsible for ensuring all required payments are made on time.

Purchase or lease with GM Financial and earn up to 50,000 bonus points, up to a $500 value.1 and 2
GM Rewards points can be redeemed toward your GM Financial account balance.3

Offer valid 10/1/2026 through 11/30/2026. Terms Apply.

1. Length of contract 48 months. Monthly payment is $22.98 for every $1,000 you finance. Average example down payment is 10.7%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 11/2/26. 2. Not available with some other offers. Take new retail delivery by 11/2/26. 3. Deferred monthly payments for 92 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 11/2/26.

4.9% APR for well-qualified buyers when you finance through GM Financial.1

Plus, $2,000 PURCHASE ALLOWANCE.2

Plus, no monthly payments until next year.3

1. Length of contract 36 months. Monthly payment is $28.60 for every $1,000 you finance. Average example down payment for Envision is 17.6%, Encore GX is 17.5%, Envista is 14.4% and Enclave is 14.2%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 11/2/26 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 11/2/26. 3. Deferred monthly payments for 92 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 11/2/26.

1.9% APR
FOR WELL-QUALIFIED BUYERS when you finance through GM Financial.1

Or

1.9% APR
FOR WELL-QUALIFIED BUYERS when you finance through GM Financial.1

Plus,
$1,750 Envision, $2,250 Encore GX, $2,000 Envista, $750 Enclave
Conquest Purchase Allowance for current eligible non-GM owners/lessees.2

Plus, no monthly payments until next year.3

1 Offer ends 11/30/2026. Purchase and installation must be at a participating U.S. GM Dealer. See dealership for tire details. Highest 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 tire offers apply. 2 Offer ends 11/30/2026. Purchase and installation must be at a participating U.S. GM Dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details around how to claim rebate, which must be submitted by 12/31/2026.

Buy 3, get 1 for $1 on select tire with installation

New Vehicles

Pre-Owned Vehicles

Current Offers

Schedule Service

Explore Our Models

Buick
GMC

Sierra 3500 Chassis Cab

Certified Pre-Owned

Get a pre-owned Buick/GMC vehicle that's inspected and warrantied.

View Inventory

Get Approved

Apply online using our quick credit application to get started.

Apply Now

Value Trade-In

Get an online quote from Sterling Buick GMC for your pre-owned vehicle.

Appraise My Vehicle

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

View Inventory

A Buick car parked infront of a GMC truck.

Seafoam green Hummer parked outside of a modern house

Current Offers

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

View Offers

Our Reviews

DealerRater Sep 27, 2026

I can’t say enough good things about Blake and Jeff. They went the extra mile with enthusiasm and got exactly what I wanted at a fair price. It was the smoothest purchase experience I’ve ever had.

DealerRater Sep 19, 2026

They made my first new car purchase simple and enjoyable. Employees were kind and personable. Thank you!

DealerRater Sep 7, 2026

Great experience. Entire team at GMC Opelousas was great to work with throughout the purchase.

DealerRater Aug 29, 2026

They walked me through every step of the way. Awesome service. Treated me like family.

DealerRater Aug 29, 2026

Internet sales manager (Neal) didn’t waste my time, told me exactly what he could sell a Yukon ultimate for via one phone call and a few texts so I bought it. Easiest vehicle buying process ever. I’ll be back in 2 years!!!

DealerRater Aug 4, 2026

The salesman James Bingham, made purchasing the right vehicle simple an easy. Everyone there was professional an courteous. Id definitely recommend first time buyers to this place

DealerRater Aug 1, 2026

Willis was great to work with and made getting the right vehicle simple, and gave nothing but honest feedback helping me decide the right truck for me! And when I was brought to finances, Parlow was extremely helpful in getting my interest as low as possible!

DealerRater Jul 26, 2026

Salesman was great to deal with, very helpful, answered all my questions and made my buying experience the best I’ve ever had.

DealerRater Jul 25, 2026

Jalen was my salesman and he made everything as smooth as easy as possible. I was in and out with my 2026 AT4. 5 stars across the board

DealerRater Jul 24, 2026

Salesman was new but needs more experience. Nice guy but could have been more prepared.

DealerRater Jul 20, 2026

Great service. Very knowledgeable and Polite staff. Great guest accommodations. Clean Store. Complimentary Coffee for guest while they wait.

DealerRater Jul 18, 2026

Great people great atmosphere very inviting down to earth great people with amazing service. Without a doubt my best time giving away my money.

DealerRater Jul 15, 2026

I want to compliment the team and Sterling Buick GMC. Neal Little was great to work with, he provided all the information I requested in advance which made the deal quick and easy. Highly recommend them to anyone purchasing a vehicle!

DealerRater Jul 13, 2026

Salesman and sales manager were extremely knowledgeable and helpful. Made our purchasing experience very smooth

DealerRater Jul 12, 2026

Purchasing a new car has never been so pleasant and enjoyable. Thanks to Steven Leahigh, Sales Consultant and the Finance Manager for their time and expertise.

Welcome to Sterling Buick GMC

At Sterling Buick GMC, we're committed to ensuring every driver visiting our showroom finds the perfect vehicle for their commute around Lafayette. Whether you're in the market for a new family vehicle or work truck, you can rely on high-quality models from the Buick and GMC lineups.

Our dealership also offers simple and straightforward auto financing that you can begin online, with our parts and service departments ready to help you out further down the road.

Visit Us for Buick & GMC Financing & Leasing

As your premier Buick and GMC dealer near Baton Rouge, Sterling Buick GMC boasts an expansive selection of vehicles to suit your unique needs.

New Inventory: Explore the latest Buick and GMC models with cutting-edge technology
Certified Pre-Owned: High-quality vehicles that meet strict manufacturer standards for reliability
Used Selection: A wide variety of pre-owned cars, trucks, and SUVs at competitive prices

Our team also offers a wide range of Buick and GMC 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.

View New Inventory

Trust the Experts at Our Buick & GMC Service Center

Sterling Buick GMC's commitment to providing a first-rate dealership experience doesn't stop at our GMC and Buick lease deals. After you drive off our lot, our certified technicians are here to help you stay up-to-date with your maintenance needs.

Certified Technicians: Factory-trained experts who handle everything from oil changes to brake service
Genuine OEM Parts: We use certified parts from our parts department for a perfect fit
Easy Online Scheduling: Book your service appointment online with our convenient digital tool

In addition, our experts perform all their repairs with certified parts from our parts department, ensuring you receive a perfect fit on every replacement. Schedule an appointment online with our GMC and Buick service center today, and our team will help you keep your car in tip-top shape.

Schedule Service

Make Us Your Preferred Buick or GMC Dealer Near Alexandria

Stop by our Opelousas location, and experience the Sterling Buick GMC difference yourself. We are excited to assist you with all of your automotive needs.

Expert Guidance: Our friendly staff is ready to answer all your automotive questions
Convenient Location: Easily accessible showroom serving the Opelousas area and beyond
Personalized Support: We prioritize your experience from the moment you walk through our doors

Call us at (337) 284-4700 should you have any questions. We look forward to seeing you soon.

Have additional questions or ready to explore our inventory? Our team is here to help you find the perfect vehicle and answer any questions you may have.

View Inventory

Service Center

Contact Our Team

Ask A Question

Visit Our Showroom at Sterling Buick GMC

Mon - Fri8:30 AM - 6:30 PM
Sat9:00 AM - 4:00 PM
SunClosed

Mon - Fri7:30 AM - 5:30 PM
Sat8:00 AM - 12:00 PM
SunClosed

Mon - Fri7:30 AM - 5:30 PM
Sat8:00 AM - 12:00 PM
SunClosed