Customer Support
Dedicated to serving all your automotive needs
For us, "customer service" means making your car buying experience as easy and enjoyable as possible. You'll find a number of ways that we make customer service the basis of buying and owning a car from our dealership:
  • You'll find all the information you need to buy a car right here on our website.
  • Search through our extensive selection of new and pre-owned vehicles.
  • Request a price quote on a new vehicle of your choice.
  • Visit our departments. Our friendly, professional staff will exceed your expectations for personal service.
  • Enjoy prompt, quality service from our Service Center. Make an appointment or order parts online.




Feel free to send us an email if you have any special requests or would like extra help finding the vehicle you want.

This web site is updated daily and any correspondence submitted will be given immediate attention. Our friendly, experienced staff will be happy to help you in your auto search. Search our inventory of new and pre-owned vehicles. We are also happy to send you a quick quote on a new vehicle of your choice.





McMahon Pontiac GMC is your St Louis dealer!

McMahon Pontiac GMC
3295 S Kingshighway Blvd
Saint Louis, MO 63139
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Phone: (314) 450-7163
Email: Contact Us
Fax: (314) 832-3732