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New GMC Sierra 1500 SLT for Sale near Forsyth, IL

326 results
Forsyth, IL
2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $70,825

$63,475

Springfield, IL
35 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Sterling Metallic
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
1
Stock number:
26G104
VIN:
1GTUUDEL9TZ209530

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $68,165

$62,288

Springfield, IL
35 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Dk Walnut/Slate Perforate
Transmission:
Automatic
Mileage:
1
Stock number:
26G172
VIN:
3GTUUDED4TG229340

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $67,450

$61,554

Litchfield, IL
63 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Volcanic Red
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Stock number:
B11167
VIN:
1GTUUDED5TZ164157

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $69,165

$58,715

Morton, IL
54 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
331
Stock number:
G26364
VIN:
1GTUUDED1TZ204458

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $67,340

$54,947

Mattoon, IL
44 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Stock number:
G39391
VIN:
3GTUUDED7TG227632

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $67,340

$55,815

Morton, IL
54 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
169
Stock number:
G26258
VIN:
3GTUUDEDXTG138539

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Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,840

$55,384

Mattoon, IL
44 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
3
Stock number:
G39418
VIN:
3GTUUDED5TG229881

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,340

$56,840

Morton, IL
54 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
1
Stock number:
G26314
VIN:
3GTUUDED7TG209986

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2026 GMC Sierra 1500

New car | MSRP $66,475

$55,839

Highland, IL
89 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Onyx Black
Fuel type:
Diesel
Interior color:
Black (Jet Blk Perforated Lth-Ap)
Transmission:
Automatic
Mileage:
10
Stock number:
38975
VIN:
3GTUUDE88TG223947

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2026 GMC Sierra 1500

New car | MSRP $68,020

$55,541

Mattoon, IL
44 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Glacier White Tricoat
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
5
Stock number:
G39009
VIN:
1GTUUDED9TZ183021

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,384

$55,859

Mattoon, IL
44 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Sterling Metallic
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Stock number:
G39511
VIN:
3GTUUDEDXTG215975

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Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,135

$57,142

Mattoon, IL
44 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Titanium Rush Metallic
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
4
Stock number:
G39290
VIN:
3GTUUDE80TG187770

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,335

$58,335

Morton, IL
54 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Titanium Rush Metallic
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
8
Stock number:
G26316
VIN:
3GTUUDED4TG211131

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Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,960

$61,500

Sullivan, IL
29 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Titanium Rush Metallic
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
7
Stock number:
S35179
VIN:
3GTUUDED2TG135179

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,640

$57,879

Morton, IL
54 mi away
Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Summit White
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
4
Stock number:
G26247
VIN:
3GTUUDE8XTG169857

  1. Home
  2. / New Cars
  3. / GMC Sierra 1500
  4. / SLT
  5. / Illinois
  6. / Forsyth
FAQs

GMC Sierra 1500 SLT FAQs

What is the fuel economy of the GMC Sierra 1500 SLT?

Depending on the engine and options, the GMC Sierra 1500 SLT gets between 14 and 24 MPG (or EV battery range).

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

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