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

  • Milan Customer reviews

    This was my 5th experience with a car dealer in the last 10 years, and hands down the best. No gimmicks, no pressure; just quick and quality service. I told them what I needed to make a deal happen an


  • Nitro Customer reviews

    What a great dealership! Nothing but the best service and financing for everyone. Gateway buick gmc has to be on the top of your list if your vehicle shopping with less than perfect credit. Dennis was


  • Terrain Customer reviews

    2014 GMC Terrain for scheduled maintenance was greeted with a friendly smile by service dept. my appointment was at 9 and I was back home by 10:15 I would definitely recommend others for service.


    2014 GMC Terrain
  • Acadia Customer reviews

    It's the best place to talk your automobile too make sure that you're going be satisfied with the quality of work and care.


    2014 GMC Acadia
  • Sonic Customer reviews

    Very happy with the way I was helped LOVE the car!! Thanks Mike and everyone else


  • Sierra 1500 Customer reviews

    2010 GMC Sierra Denali oil change tire rotation non warranty Was able to play with my nephew in the waiting area


    2010 GMC Sierra 1500
  • SIERRA 2500HD Customer reviews

    Friendly, fast, easy and as promised. Great experience.


    2015 GMC SIERRA 2500HD
  • Yukon XL Customer reviews

    So far this dealership has been great, they take care of the vehicle when it's due for service in a timely manner.


    2014 GMC Yukon XL
  • Terrain Customer reviews

    2015 GMC Terrain. The staff was extremely helpful and very polite with no sales pressure.


    2015 GMC Terrain
  • Terrain Customer reviews

    GMC Terrain 2015


    2015 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