GMC Dealer Dubuque, IA | Richardson Motors

Welcome to Richardson Motors, your premier GMC dealership serving Dubuque, IA, and the surrounding area. Whether you are driving past the National Mississippi River Museum & Aquarium, heading down Dodge Street, or commuting across the Julien Dubuque Bridge, our team is committed to matching you with the ideal vehicle.

With convenient dealership locations at 5400 Westside Dr, Dubuque, IA 52003 and 2049 Louisburg Rd, Cuba City, WI 53807, we deliver full-service automotive solutions, from the latest new GMC inventory and certified pre-owned vehicles to certified service and flexible financing.


Explore the New GMC Lineup Near Dubuque, IA

GMC delivers a proven reputation for reliability, exceptional resale value, and standard safety technology. At Richardson Motors, our showroom is stocked across all major vehicle segments to support daily commutes, family road trips, and tough jobs across eastern Iowa.

Professional-Grade GMC Crossovers & Compact SUVs

  • GMC Terrain: Engineered for agile handling on Dubuque's historic brick streets and confident traction on icy Highway 20 winter commutes. The GMC Terrain packs premium interior amenities, fold-flat seating, and advanced driver-assist safety tech into a fuel-efficient compact SUV.


Versatile Mid-Size & Full-Size GMC SUVs

  • GMC Acadia: A three-row mid-size SUV built for busy families heading to youth sports at the Dubuque Soccer Complex or weekend camping at Mines of Spain. With spacious seating for up to seven, generous cargo capacity, and available all-wheel drive, the Acadia balances comfort and capability.

  • GMC Yukon & Yukon XL: The gold standard of full-size capability. Offering three rows of premium seating, commanding V8 power, and massive towing ratings, the Yukon is ready to haul boats down to the Mississippi River docks or transport your crew across the Tri-State region in executive comfort.


Rugged & Capable GMC Trucks

  • GMC Canyon: The mid-size pickup designed for tight city parking and off-road exploration along the limestone bluffs. Enjoy class-leading standard gas engine torque, cutting-edge trail cam technology, and muscular towing capacity.

  • GMC Sierra 1500: America's benchmark for light-duty truck luxury and endurance. Available with the versatile MultiPro Tailgate, durable CarbonPro composite bed, and legendary Duramax Turbo-Diesel or EcoTec3 engines, the Sierra 1500 works as hard on regional jobsites as it turns heads along Grandview Avenue.

  • GMC Sierra Heavy Duty (2500 HD & 3500 HD): Built for commercial hauling, agricultural duties, and heavy equipment transport across Dubuque, Jackson, and Jo Daviess counties. With maximum gooseneck and fifth-wheel towing capabilities powered by the Allison 10-speed transmission, the Sierra HD conquers demanding payloads without breaking a sweat.


Why Buy from Richardson Motors?

  • Two Convenient Tri-State Locations: [Insert Text]

  • New, Pre-Owned, and Certified Inventory: [Insert Text]

  • Tailored Auto Financing: [Insert Text]


Visit Richardson Motors Today

Stop by our showroom or browse our live digital showroom to compare trims, estimate payments, and value your trade-in.

  • Iowa Location:
    Richardson Motors
    5400 Westside Dr, Dubuque, IA 52003
     Phone: (563) 582-5411

  • Wisconsin Location:
    Richardson Motors Wisconsin
    2049 Louisburg Rd, Cuba City, WI 53807
     Phone: (877) 402-2341