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

USED Specials

Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • Yukon Customer reviews

    Jim Welch handled all of the financing and the paperwork when my wife, Susan, and I purchased our 2011 GMC Yukon SLT. We could not have been treated with more professionalism, friendliness and pleasan


    2011 GMC Yukon
  • Encore Customer reviews

    I just love you'all I feel like I'm with family, you quys make my visit so comfortable I was able to eat and drink coutesy of your dealership I also got a free car wash right across the street from th


    2014 Buick Encore
  • LaCrosse Customer reviews

    So far I can truly say I have no complaint, everyone has been great!


    2012 Buick LaCrosse
  • Sierra 1500 Customer reviews

    It was good. Everything got done except one thing. They did not think there was anything wrong with my window, but it is making noises that it was not making before.


    2012 GMC Sierra 1500
  • Verano Customer reviews

    I brought my vehicle in and this was my first time bringing it in for service other than routine maintenance. Dave Ouhl helped me and he was awesome. I needed to get to work and he got me into a loan


    2012 Buick Verano
  • Yukon XL Customer reviews

    My first oil change for our new vehicle. It went fast and very smooth.


    2014 GMC Yukon XL
  • Terrain Customer reviews

    Each time I come to Gateway, my experience is absolutely amazing. Dale Ley treats me as if I were apart of the family. This treatment alone makes it a complete joy coming to get my car serviced


    2012 GMC Terrain
  • Acadia Customer reviews

    Our expirience was superb. Rob M. Was our salesman and was extremely helpful. He made sure we were happy with our choice. It was obvious that he genuinely cared about our happiness and not about selli


    2014 GMC Acadia
  • Regal Customer reviews

    This has been the best car buying experience I have had. Ryan, Mike, and Brian were VERY helpful and pleasant. They went above and beyond for me, there was some serious issues they helped me work th


    2014 Buick Regal
  • Sierra 1500 Customer reviews

    everyone was polite and professional


    2013 GMC Sierra 1500

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