Sales: 888-672-2855 Service: 888-672-2856 Parts: 888-672-2855
820 McDonnell Blvd., St. Louis, MO 63042
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USED Specials

Customer reviews

4.7 / 5

Dealer Rating

Our average rating from our customers is

4.7 / 5

Read Reviews

  • Acadia Customer reviews

    Whenever i need for my Acadia to be work on i go right back to my GMC service department cause they have the best experience with my Acadia.


    2014 GMC Acadia
  • Enclave Customer reviews

    The staff are very friendly and helpful. I knew actually which car I was interested in, and they did everything for me. All I had to do was sign. I would definitely come back.


    2009 Buick Enclave
  • Verano Customer reviews

    Everyone was friendly, helpful and knowledgable. Made the prosess enjoyable.


    2014 Buick Verano
  • Malibu Customer reviews

    Everyone was helpful from the time the appointment was made to completion


  • Impala Customer reviews

    It went well!


  • Enclave Customer reviews

    Wonderful Use Car Manger, He Was Concern About The Customer Service.


    2008 Buick Enclave
  • Encore Customer reviews

    Been to around 20 dealerships over the last year looking for the right fit for my husband and myself. Never have we actually left happy and with a new car. We had a wonderful experience from the momen


    2014 Buick Encore
  • Yukon Customer reviews

    I have purchased many vehicles over the years. This is the first time that I can actually say that the experience was a pleasure. I researched pricing of GMC Yukon's over the internet. Gateway Buic


    2015 GMC Yukon
  • LaCrosse Customer reviews

    I was very pleased with allparts of my visit.


    2011 Buick LaCrosse
  • Terrain Customer reviews

    Totally love the service, always reliable, always honest and appointment or not they make time for all your questions and concerns!!! Oh. The lowest around for Dexos all changes....FYI...żż


    2011 GMC Terrain

Map and Directions

Gateway Buick GMC serving Hazelwood and St. Louis area

Over 40 Years of Experience

Gateway Buick GMC is a leading dealer in the greater St. Louis area with the best selection of new and used vehicles.  Gateway has a rich history in the area, take a moment to learn all about the history of Gateway and our community involvement, carrying on the traditions from 1971.  As your regional St Louis GMC and Buick dealer, our 16 acres of new and used fuel efficient cars, crossovers and trucks are enough to accommodate all Buick and GMC shoppers. Hazelwood Buick and GMC customers plan your visit to our dealership by checking out our hours and directions page, or contact us directly for more information on anything seen on this site. We know that you have a choice when you select a car, we only ask for the opportunity to earn your business… at Gateway Buick GMC.


Gateway Buick GMC - St Louis Auto Service and Repair

At Gateway Buick GMC, your experience purchasing a new or pre-owned Buick or GMC doesn’t just end once you leave our facility. Gateway provides additional services like a complete body collision and customer service shop, certified Buick and GMC accessories and parts, as well as a complete Buick service and GMC maintenance center. From Belleville to St Louis, we invite all Buick GMC owners to check out our service specials and see the difference.   From tire maintenance to changing or topping off your Buick Regal's or GMC Terrain's vital fluids, our GM technicians keep your vehicle running and looking good. Feel free to schedule a service appointment or order your GMC parts online.

Gateway Buick GMC also provides Shuttle, Rental and Concierge Services

Gateway does it the RIGHT Way with service. We have a fleet of 25 new Buick and GMC free loaner cars. Simply drive in, and we will get you on your way with a free new loaner while we service your car. We will also come to you.  Just call and ask for the Concierge Department, and we will come pick-up your car and provide you a loaner as you attend to your busy schedule.   For business in the greater St Louis area, we also offer the Corporate Concierge service, where we come pick up your car at work for for maintenance and service.

Come visit Gateway Buick GMC near Belleville Today

Don't spend all of your time searching for Buick cars in St. Louis when Gateway Buick GMC is here for all of your automotive needs! Whether you're from St. Peters, Belleville or beyond, one trip to Gateway and you'll see why everyone purchases their new Buick or pre-owned GMC with us!

Gateway Buick GMC in Hazelwood, MO
Serving as your Florissant, Chesterfield MO, St. Peters, Belleville IL and St Louis Buick and GMC dealer.


Concierge Program