Billion GMC of Sioux City
Sales
712-560-1207
Service
712-560-1168
Parts
712-560-1075
4300 SOUTHGATE DR
SIOUX CITY, IA 51106
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Billion GMC of Sioux City
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712-560-1207
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Home
New
New
New Vehicles
GM Rewards
New Buicks
New GMCs
Auto Loan Savings Program
Shop Click Drive
HUMMER EV
Sierra EV
GMC Compare Competitors
Pre-Owned
Pre-Owned Vehicles
Vehicles Under 15k
Specials
Dealership Specials
Pre-Owned Specials
Service & Parts Specials
Manufacturer Specials
Service Department
Service Department
Schedule Service
Service & Parts Specials
Tire Finder
Order Parts
Oil Change
Brake Service
Battery Service
Tire Basics
Accessories
Service Financing
Order Parts Online
Finance
Pre-Qualify
Payment Calculator
Value Your Trade
Quick Quote
About
Meet Our Staff
Hours & Directions
Contact Us
Careers
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Crew Cab Chassis-Cab
Double Cab - Long Bed
Double Cab - Standard Bed
Full-size Cargo Van
Full-size Passenger Van
Pickup Crew Cab - Long Bed
Pickup Crew Cab - Short Bed
Pickup Crew Cab - Standard Bed
Pickup Regular Cab - Long Bed
Pickup Regular Cab - Standard Bed
Regular Cab Chassis-Cab
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Sport Utility
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Crew Cab Chassis-Cab
Double Cab - Long Bed
Double Cab - Standard Bed
Full-size Cargo Van
Full-size Passenger Van
Pickup Crew Cab - Long Bed
Pickup Crew Cab - Short Bed
Pickup Crew Cab - Standard Bed
Pickup Regular Cab - Long Bed
Pickup Regular Cab - Standard Bed
Regular Cab Chassis-Cab
Specialty Vehicle
Sport Utility
Pickup Regular Cab - Long Bed
2026
Pro
Starting MSRP:
$49,500
Hwy:
City:
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2026
Pro
Starting MSRP:
$49,500
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2026
Sierra 1500
Starting MSRP:
$38,500
Hwy:
City:
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2026
Sierra 1500
Starting MSRP:
$38,500
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2026
Sierra 2500HD
Starting MSRP:
$46,700
Hwy:
City:
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2026
Sierra 2500HD
Starting MSRP:
$46,700
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2026
Sierra 3500HD
Starting MSRP:
$47,900
Hwy:
City:
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2026
Sierra 3500HD
Starting MSRP:
$47,900
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2026
SLE
Starting MSRP:
$53,500
Hwy:
City:
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2026
SLE
Starting MSRP:
$53,500
Search Inventory
Quick Quote