2026 GMC Sierra 1500 Carbondale, IL

Find the 2026 GMC Sierra 1500 for Sale in Carbondale, IL, and Farmington, MO 

With two GMC dealerships, Chris Auffenberg GMC serves drivers in the Carbondale, IL, and Farmington, MO, areas. That means we offer more 2026 GMC Sierra 1500 models at more convenient locations for our customers. Below, you can read with us about this model’s top features and frequently asked questions. 

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2026 GMC Sierra 1500 truck front and side angle

2026 GMC Sierra 1500 Five Best Features 

  • Super Cruise ® hands-free driving assistance technology 
  • Best-in-class standard engine torque 
  • Max diesel towing capacity of up to 13,300 pounds 
  • 40-inch diagonal of combined driver-focused digital displays 
  • Front and rear electronic locking differentials 


2026 GMC Sierra 1500 Frequently Asked Questions 

Some of the most frequently asked questions we get have to do with available features, trim levels, and engines. If you don’t see your question below, don’t worry. Our team is available to answer any remaining questions you have about the 2026 GMC Sierra 1500. 

Does every trim level of the 2026 GMC Sierra 1500 offer locking differentials? 

Front and rear electronic locking differentials are exclusive to the AT4X trim level. 

Does the 2026 GMC Sierra 1500 have a comfortable cabin? 

The 2026 GMC Sierra 1500 offers best-in-class standard Crew Cab front head- and legroom. 

How big are the screens in the 2026 GMC Sierra 1500? 

The digital displays in the 2026 GMC Sierra 1500 total over 40 inches combined. 

What does the 2026 GMC Sierra 1500 Denali Ultimate offer? 

The 2026 GMC Sierra 1500 Denali Ultimate offers standard Super Cruise hands-free driver assistance technology with a 3-year OnStar ® plan, a 6.2 L V8 engine, heated and ventilated front seats, and a premium, 12-speaker audio system. 

What is the 2026 GMC Sierra 1500 6.2 L V8 engine towing capacity? 

The 6.2 L V8 engine has a max towing capacity of 13,100 pounds. 

What is the 2026 GMC Sierra 1500 3 L Turbo-Diesel engine towing capacity? 

The 2026 GMC Sierra 1500 Duramax 3 L Turbo-Diesel engine can tow up to 13,300 pounds. This is the standard engine on the AT4 and AT4X. 

What is the 5.3 L gas engine towing capacity for the 2026 GMC Sierra 1500? 

The 5.3 L gas engine has a max tow rating of up to 11,200 pounds. 

When will the 2026 GMC Sierra 1500 be available? 

The 2026 GMC Sierra 1500 is available now at Chris Auffenberg. View our online inventory to see what’s currently in stock. 


2026 GMC Sierra 1500 truck front seats side view
2026 GMC Sierra 1500 truck front seat with driver
25 Results
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
Carbondale, IL, AT4, # 4999, Four Wheel Drive
Drivetrain Four Wheel Drive
MSRP
$76,280
Auffenberg Discount
- $10,118
Sale Price
$66,162
DetailsShow selling price
2026 GMC Sierra 1500 Denali
2026 GMC Sierra 1500 Denali
Farmington, MO, Denali, # 14712, Four Wheel Drive
Drivetrain Four Wheel Drive
MSRP
$80,090
Auffenberg Discount
- $13,502
Sale Price
$66,588
DetailsShow selling price
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4
Farmington, MO, AT4, # 14737, Four Wheel Drive
Drivetrain Four Wheel Drive
MSRP
$75,235
Auffenberg Discount
- $7,757
Sale Price
$67,478
DetailsShow selling price
2026 GMC Sierra 1500 Denali
2026 GMC Sierra 1500 Denali
Carbondale, IL, Denali, # 4855, Four Wheel Drive
Drivetrain Four Wheel Drive
MSRP
$81,415
Auffenberg Discount
- $10,606
Sale Price
$70,809
DetailsShow selling price
2026 GMC Sierra 1500 AT4X
2026 GMC Sierra 1500 AT4X
Carbondale, IL, AT4X, # 4929, Four Wheel Drive
Drivetrain Four Wheel Drive
MSRP
$82,890
Auffenberg Discount
- $9,745
Sale Price
$73,145
DetailsShow selling price
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