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 Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon XL

Map and Directions

Customer reviews

4.6 / 5

Dealer Rating

Our average rating from our customers is

4.6 / 5

Read Reviews

  • Sierra 1500 Customer reviews

    Very thorough and helpful, overall a very non-stressful experience

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    2014 GMC Sierra 1500
  • SIERRA 2500HD Customer reviews

    I got a 2015 sierra 2500hd and the salesman and staff was great to work with. One of the best buying experience I have ever had. I will be back to get my next one here.

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    2015 GMC SIERRA 2500HD
  • SIERRA 2500HD Customer reviews

    I traded my 2011 GMC Sierra Denali, and purchased my 2015 GMC 2500HD from Brian Harris. This is my 4th purchase from Brian Harris and as always it was a pleasure.

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    2015 GMC SIERRA 2500HD
  • LaCrosse Customer reviews

    The people the public deals with are very nice and friendly. The last couple of times I brought the car in it was washed and cleaned up before I picked it up, that didn't happen this time. In fact the

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    2011 Buick LaCrosse
  • Sierra 1500 Customer reviews

    The body shop guy did everything possible to make me happy.

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    2012 GMC Sierra 1500
  • Sierra 1500 Customer reviews

    The staff was patient and thorough.

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    2012 GMC Sierra 1500
  • Sierra 1500 Customer reviews

    I always have a great experience at Brian Harris Autoplex. Including myself and my family we have purchased over 10 vehicles new and pre-owned over the past 5 years. We have always had excellent sal

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    2014 GMC Sierra 1500
  • Yukon Customer reviews

    We were looking at 2 other vehicles also but due to the professionalism, genuine care, and knowledge of the people at the dealership we would definitely recommend someone else we know!! We have

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    2015 GMC Yukon
  • Enclave Customer reviews

    Easy to deal with. Second vehicle in a row bought from you.

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    2015 Buick Enclave
  • Yukon Customer reviews

    Gene was great, he knew what I wanted and did what ever was necessary to make sure I drove off in it. I know the finance guy had a hard time getting the deal done because my credit is in bad shape at

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    2007 GMC Yukon