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New & Used 2026 GMC Sierra 2500HD for Sale near Alton, IL

313 results
Alton, IL
2025 GMC Sierra 2500HD Denali Crew Cab 4WD Clement Supercenter

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

30,608 miles

$67,000

Fair Deal
Saint Charles, MO
25 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 Ultimate Crew Cab 4WD

2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

2,236 miles

$87,995

Fair Deal
Palmyra, IL
35 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 Gba
Fuel type:
Biodiesel
Interior color:
Alpine Umber, Full Grain Leather Seat Trim
Transmission:
Automatic
Mileage:
2,236
Stock number:
X5797
VIN:
1GT4UXEY5SF190424

Sponsored

2025 GMC Sierra 2500HD Denali Crew Cab 4WD

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

250 miles

$75,994

Good Deal
Saint Peters, MO
26 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 SLE Crew Cab 4WD

2025 GMC Sierra 2500HD

SLE Crew Cab 4WD

6,677 miles

$54,500

Good Deal
Troy, MO
45 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 O Fallon, IL
701 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

2025 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD

2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

16,415 miles

$84,995

Fair Deal
Certified Pre-Owned
Collinsville, IL
18 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 Ultimate Crew Cab 4WD

21,219 miles

$83,995

Fair Deal
Collinsville, IL
18 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:
Alpine Umber
Transmission:
Automatic
Mileage:
21,219
Stock number:
P10147
VIN:
1GT4UXEYXSF173991

Preparing for a close up...

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2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

1,509 miles

$70,022

Great Deal
Saint Louis, MO
31 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:
Glacier White Tricoat
Fuel type:
Gasoline
Interior color:
Atmosphere/Brownstone
Transmission:
Automatic
Mileage:
1,509
Stock number:
T260398A
VIN:
1GT4URE72TF156459

Preparing for a close up...

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2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

14,375 miles

$71,995

Good Deal
Certified Pre-Owned
Collinsville, IL
18 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

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2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

30,608 miles

$67,000

Fair Deal
Saint Charles, MO
25 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
26 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

Denali Ultimate Crew Cab 4WD

2,236 miles

$87,995

Fair Deal
Palmyra, IL
35 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 Gba
Fuel type:
Biodiesel
Interior color:
Alpine Umber, Full Grain Leather Seat Trim
Transmission:
Automatic
Mileage:
2,236
Stock number:
X5797
VIN:
1GT4UXEY5SF190424

Preparing for a close up...

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2025 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

3,021 miles

$87,397

Fair Deal
Store transfer to O Fallon, IL
1,544 mi away • Price includes $1,399 shipping Price includes $1,399 shipping
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:
Black
Fuel type:
Biodiesel
Interior color:
Brown
Transmission:
Automatic
Mileage:
3,021
Stock number:
28273028
VIN:
1GT4UXEY2SF298838

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2025 GMC Sierra 2500HD

New car | MSRP $72,385

$62,903

Litchfield, IL
30 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:
10
Stock number:
B10953
VIN:
1GT4UMEY3SF264504

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $66,750

$58,250

Troy, MO
45 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...

Photos coming soon

2026 GMC Sierra 2500HD

New car | MSRP $98,380

$87,880

Troy, MO
45 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:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Alpine Umber Leather
Transmission:
Automatic
Mileage:
5
Stock number:
260271
VIN:
1GT4UXEY8TF196090

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $98,380

$87,880

Troy, MO
45 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:
Downpour Metallic
Fuel type:
Biodiesel
Interior color:
Alpine Umber Leather
Transmission:
Automatic
Mileage:
5
Stock number:
260265
VIN:
1GT4UXEY3TF190116

Preparing for a close up...

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2026 GMC Sierra 2500HD

New car | MSRP $63,410

$54,910

Troy, MO
45 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:
6
Stock number:
260105
VIN:
1GT5UME79TF109470

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 2500HD

New car | MSRP $61,850

$56,350

O'Fallon, MO
36 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...

Photos coming soon

2026 GMC Sierra 2500HD

New car | MSRP $63,410

$54,910

Troy, MO
45 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...

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2026 GMC Sierra 2500HD

New car | MSRP $98,980

$88,480

Troy, MO
45 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
45 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 $75,265

$69,166

Collinsville, IL
18 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
Transmission:
Automatic
Mileage:
7
Stock number:
L263012
VIN:
1GT4UPE71TF188842

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 2500HD

New car | MSRP $75,760

$69,619

Collinsville, IL
18 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
Transmission:
Automatic
Mileage:
7
Stock number:
L262986
VIN:
1GT4UPE7XTF189004

  1. Home
  2. / Used Cars
  3. / GMC Sierra 2500HD
  4. / 2026
  5. / Illinois
  6. / Alton
FAQs

2026 GMC Sierra 2500HD FAQs

How many 2026 GMC Sierra 2500HD vehicles in Alton, IL have no reported accidents or damage?

105 out of 107 for sale near Alton, IL have no reported accidents or damage.

What fuel types are available?

Biodiesel, Gasoline engines are available.

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