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New & Used 2026 GMC Sierra 2500HD for Sale near O Fallon, MO

350 results
O Fallon, MO
2025 GMC Sierra 2500HD Denali Crew Cab 4WD Suntrup Buick-GMC

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

250 miles

$75,994

Good Deal
Saint Peters, MO
8 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
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:
Black
Transmission:
Automatic
Mileage:
250
Stock number:
53531-1
VIN:
1GT4UREY6SF284923

Sponsored

2025 GMC Sierra 2500HD AT4 Crew Cab 4WD

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

27,414 miles

$75,600

Fair Deal
Saint Charles, MO
9 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
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 With Kalahari Accents
Transmission:
Automatic
Mileage:
27,414
Stock number:
A16296N
VIN:
1GT1UPEY9SF165724

Sponsored

2025 GMC Sierra 2500HD Denali Crew Cab 4WD

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

30,608 miles

$67,000

Fair Deal
Saint Charles, MO
9 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
30,608
Stock number:
A16031
VIN:
1GT4URE71SF175437

Sponsored

2025 GMC Sierra 2500HD Denali Crew Cab 4WD

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

14,375 miles

$71,995

Good Deal
Certified Pre-Owned
Collinsville, IL
39 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
14,375
Stock number:
L261489A
VIN:
1GT4UREYXSF144017

2025 GMC Sierra 2500HD SLE Crew Cab 4WD

2025 GMC Sierra 2500HD

SLE Crew Cab 4WD

6,677 miles

$54,500

Good Deal
Troy, MO
17 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black Cloth
Mileage:
6,677
Stock number:
250452C
VIN:
1GT4UME76SF345990

2025 GMC Sierra 2500HD AT4X Crew Cab 4WD

2025 GMC Sierra 2500HD

AT4X Crew Cab 4WD

11,088 miles

$77,347

Good Deal
Store transfer to Saint Peters, MO
670 mi away • Price includes $349 shipping Price includes $349 shipping
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Gray
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
11,088
Stock number:
28159187
VIN:
1GT4UZE77SF198348

Preparing for a close up...

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2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

16,415 miles

$84,995

Fair Deal
Certified Pre-Owned
Collinsville, IL
39 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
White Frost Tricoat
Fuel type:
Biodiesel
Interior color:
Alpine Umber
Transmission:
Automatic
Mileage:
16,415
Stock number:
L261222A
VIN:
1GT4UXEY0SF233471

Preparing for a close up...

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2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

30,608 miles

$67,000

Fair Deal
Saint Charles, MO
9 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
30,608
Stock number:
A16031
VIN:
1GT4URE71SF175437

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

250 miles

$75,994

Good Deal
Saint Peters, MO
8 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
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:
Black
Transmission:
Automatic
Mileage:
250
Stock number:
53531-1
VIN:
1GT4UREY6SF284923

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

27,414 miles

$75,600

Fair Deal
Saint Charles, MO
9 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
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 With Kalahari Accents
Transmission:
Automatic
Mileage:
27,414
Stock number:
A16296N
VIN:
1GT1UPEY9SF165724

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $66,155

$57,655

Troy, MO
17 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Jet Black Cloth
Transmission:
Automatic
Mileage:
16
Stock number:
260195
VIN:
1GT4UME78TF164410

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $66,215

$57,715

Troy, MO
17 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Titanium Rush Metallic
Fuel type:
Gasoline
Interior color:
Jet Black Cloth
Mileage:
1
Stock number:
260077
VIN:
1GT4UME78TF101906

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $63,410

$54,910

Troy, MO
17 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black Cloth
Mileage:
5
Stock number:
260114
VIN:
1GT5UME73TF113627

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 2500HD

New car | MSRP $66,750

$58,250

Troy, MO
17 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black Cloth
Mileage:
5
Stock number:
260203
VIN:
1GT4UME75TF164803

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $98,980

$88,480

Troy, MO
17 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Alpine Umber Leather
Transmission:
Automatic
Mileage:
5
Stock number:
260183
VIN:
1GT4UXEY4TF144388

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $92,110

$81,610

Troy, MO
17 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Downpour Metallic
Interior color:
Jet Black Leather
Mileage:
6
Stock number:
260225
VIN:
1GT4UREY4TF170646

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $87,335

$81,475

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Coastal Dune
Fuel type:
Gasoline
Interior color:
Black (Obsidian Rush)
Transmission:
Automatic
Mileage:
7
Stock number:
L262829
VIN:
1GT4UZE75TF184580

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $106,715

$99,158

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Black (Obsidian Rush)
Transmission:
Automatic
Mileage:
7
Stock number:
L262648
VIN:
1GT4UZEY2TF173853

Preparing for a close up...

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2025 GMC Sierra 2500HD

New car | MSRP $54,292

$48,203

Ellisville, MO
19 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
2 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black Cloth
Transmission:
Automatic
Mileage:
4
Stock number:
86324
VIN:
1GT3ULE70SF272511

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $75,445

$68,962

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
7
Stock number:
L261202
VIN:
1GT4UMEYXTF127349

Preparing for a close up...

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2025 GMC Sierra 2500HD

New car | MSRP $77,345

Negotiable

Jerseyville, IL
27 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
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:
Dark Walnut Slate
Transmission:
Automatic
Mileage:
5
Stock number:
6440
VIN:
1GT4UMEY0SF164425

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $61,850

$56,350

O'Fallon, MO
8 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Black (Jet Blk Clth)
Transmission:
Automatic
Stock number:
G26324
VIN:
1GT5UME75TF147519

Preparing for a close up...

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2025 GMC Sierra 2500HD

New car | MSRP $54,337

$48,244

Ellisville, MO
19 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
2 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black Cloth
Transmission:
Automatic
Mileage:
4
Stock number:
86139
VIN:
1GT3ULE78SF206501

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 2500HD

New car | MSRP $80,240

$79,835

Collinsville, IL
39 mi away
Year:
2026
Make:
GMC
Model:
Sierra 2500HD
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:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock number:
L262822
VIN:
1GT4UPE73TF184484

  1. Home
  2. / Used Cars
  3. / GMC Sierra 2500HD
  4. / 2026
  5. / Missouri
  6. / O Fallon
FAQs

2026 GMC Sierra 2500HD FAQs

How many 2026 GMC Sierra 2500HD vehicles in O Fallon, MO have no reported accidents or damage?

112 out of 114 for sale near O Fallon, MO have no reported accidents or damage.

What fuel types are available?

Biodiesel, Gasoline engines are available.

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