Cars For Sale

Sioux City GMC

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New 2025 GMC Sierra 1500 Elevation
Price plus tax, title, license. Dealer charges $199 Doc Fee at our South Dakota and Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
New 2024 GMC Sierra 1500 Elevation
Price plus tax, title, license. Dealer charges $199 Doc Fee at our South Dakota and Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
New 2024 GMC Sierra 3500HD Denali Ultimate
Price plus tax, title, license. Dealer charges $199 Doc Fee at our South Dakota and Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.
New 2024 GMC Terrain AT4
Price plus tax, title, license. Dealer charges $199 Doc Fee at our South Dakota and Minnesota locations and $180 at our Iowa locations. Delivery fee may apply. Residency restrictions apply.

Sioux City GMC


As the GMC dealer for Sioux City, IA and surrounding areas, Billion Auto provides buyers with every detail they want to know to purchase their car, van, truck or SUV. No matter what make or model of you've got your eyes on, you can be sure we have it! Our new and used vehicle selection ensures that we have wheels for everyone, no matter what it is you're looking for.


You can see every GMC online with a complete vehicle description including multiple photos of every new and used model in stock. You can apply for a car loan online from the comfort of your home - and you can even negotiate the price online! Or you can stop in and visit us! You can test drive a new or used vehicle, speak to one of our dealership experts, or discuss auto financing.


Billion Auto can help Sioux City area residents get the lowest prices and financing on all new and used cars, vans, trucks or SUVs. And we service vehicles from all over Iowa, South Dakota and Nebraska! We have helped thousands of Midwest customers and we'd like to help you find the car of your dreams too!


Test drive a car today!

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