Welcome to Richardson Buick GMC Cadillac

Buick  |  GMC  |  Cadillac


Find your ideal car in our inventory! If in case our Waterloo, IA and Platteville, WI Buick and GMC customers are in the market for a new or used car, truck or SUV in Dubuque, make Richardson Motors their next stop. See reviews, research features, and even schedule a test drive with any of our new vehicles. Lancaster, Platteville, WI and Waterloo, IA Buick and GMC customers will be happy to know that our vehicles go through various quality checks before being put out for sale. Come see us today and take one out for a test drive!

Want to Talk Auto Finance?

We Make It Easy

When you decide you are ready to get into a great GMC, CADILLAC, Buick, we are here for you (or as far away as you want). Purchase online with our intuitive online tools, or let us do all the paper work for you. When you come to get the keys, we can have you out the door in as little as 15 minutes, but are glad to go through every detail of your car with you for as long as you like. Its all up to you.

We Keep You Going

Richardson Buick GMC Cadillac is also by your side whenever you need any car service and repair work done in Dubuque . What's more, our auto parts team would be happy to get you whatever you need to keep your GMC, CADILLAC, Buick vehicle on the road for many miles to come.

Get in Touch

5400 Westside Dr
Directions Dubuque, IA 52003

  • Contact Our Sales Department: (563) 582-5411
  • Monday9:00 am - 8:00 pm
  • Tuesday9:00 am - 8:00 pm
  • Wednesday9:00 am - 8:00 pm
  • Thursday9:00 am - 8:00 pm
  • Friday9:00 am - 8:00 pm
  • Saturday9:00 am - 5:00 pm
  • SundayClosed
  1. Richardson Buick GMC Cadillac

    5400 Westside Dr
    Dubuque, IA 52003

    • Sales: (563) 582-5411
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