Billion Buick GMC Cadillac in Sioux City including address, phone, dealer reviews, directions, a map, inventory and more

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Billion Buick GMC Cadillac

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GMC and Cadillac New Car Dealership in Sioux City, IA

Overall Rating

4.9/5

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Billion Automotive has over 7,000 new and pre-owned vehicles for you to choose from. We hope this vehicle fits your needs or if you'd like to shop around, find more quality vehicles online at Billionauto.com.

Billion Buick GMC Cadillac's service reps and mechanics are GMC trained and utilize the latest cutting edge technology to keep your car running smoothly.


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Picture of Billion Buick GMC Cadillac in Sioux City

Dealership Contact Information

Billion Buick GMC Cadillac 4300 Southgate Dr
Sioux City, IA 51106

Sales: 712-454-1721
Used Cars: 712-454-1717

Sales Department Hours

Sun Mon Tue Wed Thu Fri Sat
Open Closed 8:00am 8:00am 8:00am 8:00am 8:00am 9:00am
Close Closed 8:00pm 8:00pm 8:00pm 8:00pm 6:00pm 6:00pm

Service Department Hours

Sun Mon Tue Wed Thu Fri Sat
Open Closed 7:30am 7:30am 7:30am 7:30am 7:30am 8:00am
Close Closed 5:30pm 5:30pm 5:30pm 5:30pm 5:30pm 4:00pm