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Welcome to Richardson Buick GMC Cadillac

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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 2. Only on the 5.3L EcoTec3 V8 Engine. For trade assistance, you must show proof of ownership and trade in A 2010 MODEL YEAR or newer vehicle. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 3/4/24. Available accessories shown.
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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 2. MUST BE A CURRENT OWNER OF A 2010 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2019 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 3/4/24. Some features shown may have limited, late or no availability. See dealer for feature availability.
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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 2. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 3/4/24.
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Preproduction and simulated models shown throughout. Actual production model may vary. HUMMER EV is available from a GMC EV dealer.
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1.  Payments are for a 2024 LYRIQ AWD Tech with an MSRP of $62,090. 24 monthly payments total $13,656. Total Lease Cost is $17,986.00. Lease based on net capitalized cost of $58,455.00 including down payment of $4,330 and $7,500 in applied incentives. Closed-end lease. Option to purchase at lease end for an amount to be determined at lease signing. Cadillac Financial/GM Financial must approve lease. Take new retail delivery by 4/30/24. Mileage charge of $.25/mile over 20,000 miles. Late payment and early termination fees apply.  Lessee is responsible for insuring the lease vehicle. Lessee pays for maintenance, repair, excess wear and disposition fee of $595 or less at end of lease. Not available with some other offers.     © 2024 General Motors. Cadillac Financial and the Cadillac logo are trademarks and/or service marks of General Motors LLC, used with permission. Cadillac Financial is a division of GM Financial.  All Rights Reserved. Cadillac® LYRIQ®
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1.  Monthly payment is $29.04 for every $1,000 financed. Average example down payment is 21.2%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 4/30/24.     2. MUST FINANCE THROUGH CADILLAC FINANCIAL. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 4/30/24.      © 2024 General Motors. Cadillac Financial and the Cadillac logo are trademarks and/or service marks of General Motors LLC, used with permission. Cadillac Financial is a division of GM Financial. All rights reserved. Cadillac® XT5® XT6®
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1. Must be a current lessee of a 2019 model year or newer GM vehicle through GM Financial or Cadillac Financial for at least 30 days prior to the new vehicle sale. Payments are for a 2024 XT6 Luxury with an MSRP of $50,190. 24 monthly payments total $13,416. Closed-end lease. Option to purchase at lease end for an amount to be determined at lease signing. Cadillac Financial/GM Financial must approve lease. Take new retail delivery by 4/30/24. Mileage charge of $.25/mile over 20,000 miles. Late payment and early termination fees apply. Lessee is responsible for insuring the lease vehicle. Lessee pays for maintenance, repair, excess wear and disposition fee of $595 or less at end of lease. Not available with some other offers. © 2024 General Motors. Cadillac Financial and the Cadillac logo are trademarks and/or service marks of General Motors LLC, used with permission. Cadillac Financial is a division of GM Financial. All Rights Reserved. Cadillac® XT6®
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1. Only on the 5.3L EcoTec3 V8 Engine. For trade assistance, you must show proof of ownership and trade in a 2010 model year or newer vehicle. Not available with lease and some other offers. Take new retail delivery by 3/4/24. Available accessories shown.
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Buick GMC logo with a Certified Pre Owned Text

Each Buick/GMC Certified Pre-Owned vehicle is thoroughly inspected and reconditioned and includes factory-backed limited warranties and roadside assistance.

A Buick car parked infront of a GMC truck.

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Welcome to Richardson Buick Cadillac GMC

Embark on a journey to discover your ideal vehicle within our expansive collection! Richardson Buick Cadillac GMC is committed to delivering an exceptional shopping experience for our valued Buick and GMC customers, whether you're from Waterloo, IA or Platteville, WI. If you're on the lookout for a new or used car, truck, or SUV in Dubuque, we warmly welcome you to pay us a visit. Browse through our glowing reviews, explore the latest features, and even schedule a test drive with one of our new vehicles. Be assured that each vehicle in our inventory undergoes rigorous quality checks before it is made available for sale. This is your chance to experience the road from behind the wheel - seize the opportunity and visit us today to take one for a spin!

Want to Talk Auto Finance?

When the time comes to set off in your cherished Buick, Cadillac, or GMC, we're fully prepared to assist you. You can effortlessly browse and shop using our user-friendly online tools, or if you prefer, allow us to take care of the paperwork on your behalf. Our primary objective is to ensure you get behind the wheel swiftly and seamlessly, with the option of being on your way in as little as 15 minutes if that's your preference. However, if you'd like to take your time, meticulously review every detail of your new vehicle, and make the choices at your own pace, we're here to support you every step of the way. The decision is always yours to make.

We Keep You Going!

At Richardson Buick-cadillac-gmc Truck in Dubuque, IA, we're always ready to lend a helping hand with any car service or repair needs. And our knowledgeable Auto Parts Team is eager to assist in finding the perfect parts to keep your Buick or GMC cruising down the road for many miles to come!

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5400 Westside Dr
Dubuque, IA 52003

Sales Open Today: 9 AM - 5 PM

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Richardson Buick-cadillac-gmc Truck 42.48117, -90.75509.