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New GMC Sierra 3500HD Denali for Sale near O Fallon, MO

33 results
O Fallon, MO
2026 GMC Sierra 3500HD Denali Crew Cab 4WD Dave Sinclair Buick GMC

2026 GMC Sierra 3500HD

New car

$75,500

Saint Louis, MO
30 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Sterling Metallic
Fuel type:
Gasoline
Interior color:
Atmosphere/Brownstone Leather
Transmission:
Automatic
Mileage:
5
Stock number:
T260611
VIN:
1GT4UWE74TF159507

Sponsored

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car

$85,209

Saint Louis, MO
30 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Glacier White Tricoat
Interior color:
Jet Black Leather
Transmission:
Automatic
Mileage:
5
Stock number:
T260571
VIN:
1GT4UWEY0TF156466

Sponsored

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car

$83,181

Saint Louis, MO
30 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Glacier White Tricoat
Interior color:
Jet Black Leather
Transmission:
Automatic
Mileage:
5
Stock number:
T260527
VIN:
1GT4UWEY6TF151871

Sponsored

2026 GMC Sierra 3500HD Denali Crew Cab 4WD

2026 GMC Sierra 3500HD

New car | MSRP $92,965

$84,429

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L261413
VIN:
1GT4UWEY0TF138002

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $94,065

$87,028

Belleville, IL
43 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Summit White
Mileage:
6
Stock number:
G4639
VIN:
1GT4UWEY3TF177585

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $96,460

$87,705

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Titanium Rush Metallic
Fuel type:
Biodiesel
Interior color:
Atmosphere/Brownstone
Transmission:
Automatic
Mileage:
7
Stock number:
L261699
VIN:
1GT4UWEY8TF149801

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $93,660

$85,070

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
14
Stock number:
L261805
VIN:
1GT4UWEY4TF137922

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$75,500

Saint Louis, MO
30 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Sterling Metallic
Fuel type:
Gasoline
Interior color:
Atmosphere/Brownstone Leather
Transmission:
Automatic
Mileage:
5
Stock number:
T260611
VIN:
1GT4UWE74TF159507

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $93,660

$85,070

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Downpour Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L261410
VIN:
1GT4UWEY4TF137631

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $94,260

$85,619

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Glacier White Tricoat
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L261382
VIN:
1GT4UWEY7TF137297

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $95,965

$88,252

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L261700
VIN:
1GT4UWEY9TF149600

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $96,460

$87,705

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Titanium Rush Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L261696
VIN:
1GT4UWEY1TF149123

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $93,660

$85,070

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Titanium Rush Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L261506
VIN:
1GT4UWEY1TF137487

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car | MSRP $97,430

$90,610

Saint Peters, MO
8 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Glacier White Tricoat
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock number:
53582
VIN:
1GT4UWEY3TF143856

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 3500HD

New car

$83,181

Saint Louis, MO
30 mi away
Year:
2026
Make:
GMC
Model:
Sierra 3500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Glacier White Tricoat
Interior color:
Jet Black Leather
Transmission:
Automatic
Mileage:
5
Stock number:
T260527
VIN:
1GT4UWEY6TF151871

  1. Home
  2. / New Cars
  3. / GMC Sierra 3500HD
  4. / Denali
  5. / Missouri
  6. / O Fallon
FAQs

GMC Sierra 3500HD Denali FAQs

What fuel types are available?

Diesel, Flex Fuel Vehicle, Biodiesel, Gasoline engines are available.

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