Brian Harris Buick GMC
  • Sales:(985) 718-4038
  • Service:(985) 718-4132
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Brian Harris Buick GMC in Slidell - Serving Baton Rouge Buick GMC customers


Thank you for visiting Brian Harris Autoplex, your local Slidell Buick & GMC dealership serving Baton Rouge and New Orleans Buick and GMC customers. We sell new Buick & GMC vehicles and used cars near New Orleans and feature a knowledgeable sales staff and great customer service. We're located at 293 Howze Beach Road and are accessible from I-10 at exit 263. If you need specific driving instructions you can find them on our hours and directions page.

New Buick & GMC Vehicles Near New Orleans and Baton Rouge

Brian Harris Buick GMC sells new Buick SUVs & sedans as well as new GMC trucks & SUVs near Baton Rouge and New Orleans. From the dependable GMC Sierra to the Yukon and Terrain, you'll find your next GMC truck or SUV at Brian Harris Buick GMC in Slidell. If you're interested in a new Buick, we suggest the Verano, Enclave, or Regal. Apply for financing and schedule your test drive today to see why more New Orleans and Baton Rouge GMC & Buick drivers prefer to buy from Brian Harris Buick GMC in Slidell.

Used Cars & Trucks in Slidell

Looking for used cars near New Orleans? How about a great deal on used trucks near Baton Rouge? Brian Harris Buick GMC in Slidell features a great selection of high quality used and pre-owned vehicles to fit every need and budget. From used SUVs in Slidell to certified pre-owned GM vehicles near New Orleans, Brian Harris Buick GMC has something for everyone.

Buick & GMC Parts and Certified Service in Slidell

If your Buick or GMC needs service or repair near New Orleans or Baton Rouge, you'll want to bring it in to Brian Harris Autoplex's service department where our highly trained technicians take pride in keeping your vehicle in top condition. From major engine repairs to oil changes and installing tires, our team can do it all. Should you require GM parts or wish to customize your Terrain with GM accessories near New Orleans, you can rely on our parts department to have what you need.


Service | Parts Order Form | GM Accessories

Buick: Enclave | Encore | LaCrosse | Regal | Verano
GMC: Acadia | Savana Cargo Van | Savana Commercial Cutaway | Savana Passenger | Sierra 1500 |
Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon XL

Map and Directions

Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • Acadia Customer reviews

    I felt very welcomed during the process by the employee. Two other salesmen, besides the one assisting me, came to congratulate me on my purchase as I was preparing to leave with my new GMC Acadia. It

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    2014 GMC Acadia
  • Sierra 1500 Customer reviews

    As always, the staff at Brian Harris were courteous, friendly and most importantly professional. They took my truck without hesitation, diagnosed the problem, then notified me to ensure I agreed to m

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    2004 GMC Sierra 1500
  • Acadia Customer reviews

    I brought in my 2012 Acadia in for its oil change and tire rotation later than mormal ( 12:00 ) Kevin you manager told me it was allright but I may have to wait about 1 1/2 hrs. I said ok so I waited

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    2012 GMC Acadia
  • Sierra 2500HD Customer reviews

    Overall great experience with courteous and thorough representatives at every step in the process.

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    2015 GMC Sierra 2500HD
  • Terrain Customer reviews

    I brought my 2014 Terrain in for and Oil Change and to get my tires rotated. Basically my 7500 Mile Service. Everything was great, except maybe they could of ran it through the car wash. but other tha

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    2014 GMC Terrain
  • Sierra 1500 Customer reviews

    I strongly recommend buying from Brian Harris. Whole experience was outstanding. Salesman was a little pushy but overall a pleasant experience.

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    2014 GMC Sierra 1500
  • Sierra 1500 Customer reviews

    I drove 2 hours from Houma to buy my GMC Sierra from Brian Harris. My overall experience was excellent. The Truck's internet quote came back much lower than I could find locally, or anywhere else. Gi

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    2014 GMC Sierra 1500
  • Sky Customer reviews

    I couldn't believe that the recall ignition switch took so long to come in. It took 2 months. If this was an issue for safety, it really shouldn't take that long if the driver was at risk.

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  • Sierra 1500 Customer reviews

    2014 gmc Z71

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    2014 GMC Sierra 1500
  • Sierra 1500 Customer reviews

    Fast and easy, told me it would be ready at a desired time and it was!!

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    2012 GMC Sierra 1500