CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

New GMC Sierra 1500 SLT for Sale near Onarga, IL

206 results
Onarga, IL
2026 GMC Sierra 1500 SLT Crew Cab 4WD Arnie Bauer Buick GMC

2026 GMC Sierra 1500

New car | MSRP $67,340

$59,590

Matteson, IL
57 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
Mileage:
3
Stock number:
G260183
VIN:
3GTUUDED1TG200961

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $72,365

$66,450

Elmhurst, IL
85 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:
Onyx Black
Fuel type:
Gasoline
Interior color:
Black (Jet Blk Perforated Lth-Ap)
Transmission:
Automatic
Mileage:
1
Stock number:
3674
VIN:
3GTUUDELXTG216602

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $70,950

$62,901

North Riverside, IL
80 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:
Onyx Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
7
Stock number:
B26117
VIN:
3GTUUDELXTG128116

Sponsored

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $68,935

$56,026

Mattoon, IL
87 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 Tintcoat
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Stock number:
G39362
VIN:
3GTUUDED1TG210793

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $66,874

$54,241

Mattoon, IL
87 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 Tintcoat
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Stock number:
G39218
VIN:
1GTUUDEDXTZ192133

2026 GMC Sierra 1500 SLT Crew Cab 4WD

2026 GMC Sierra 1500

New car | MSRP $65,930

$54,880

Pekin, IL
87 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
Mileage:
0
Stock number:
E71
VIN:
3GTUUDED3TG116852

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,490

$56,440

Pekin, IL
87 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 Tintcoat
Fuel type:
Gasoline
Mileage:
0
Stock number:
E42
VIN:
1GTUUDED7TZ127384

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,020

$55,242

Mattoon, IL
87 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 $68,135

$56,843

Mattoon, IL
87 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:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
3
Stock number:
G39246
VIN:
3GTUUDE83TG187732

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,340

$54,648

Mattoon, IL
87 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

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

New car | MSRP $68,070

$56,493

Barrington, IL
99 mi away
Year:
2025
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
Mileage:
5,861
Stock number:
G25105
VIN:
3GTUUDED8SG183154

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $66,030

$56,177

Peru, IL
74 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, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
5
Stock number:
26182
VIN:
3GTUUDED5TG117209

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,340

$56,290

Pekin, IL
87 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
Transmission:
Automatic
Mileage:
0
Stock number:
E86
VIN:
1GTUUDED2TZ175584

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,340

$56,290

Pekin, IL
87 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
Mileage:
0
Stock number:
E36
VIN:
1GTUUDED2TZ122996

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $67,340

$59,040

Merrillville, IN
62 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, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
0
Stock number:
TT12X07
VIN:
3GTUUDEDXTG133843

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,135

$60,776

Greencastle, IN
95 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:
Sterling
Fuel type:
Diesel
Interior color:
Black (Jet Blk Perforated Lth-Ap)
Transmission:
Automatic
Mileage:
3
Stock number:
G26156
VIN:
3GTUUDE8XTG188019

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,485

$59,044

Morris, IL
52 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 Tintcoat
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock number:
GN11530
VIN:
3GTUUDED8TG137888

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,735

$57,367

Mattoon, IL
87 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:
Glacier White Tricoat
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
9
Stock number:
G39373
VIN:
3GTUUDE87TG187720

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,335

$59,960

Merrillville, IN
62 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, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
0
Stock number:
TT12X29
VIN:
3GTUUDED1TG221745

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $70,675

$58,082

Mattoon, IL
87 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:
Glacier White Tricoat
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
8
Stock number:
G39351
VIN:
3GTUUDEL6TG151148

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,695

$62,218

Merrillville, IN
62 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:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
0
Stock number:
TT12X15
VIN:
3GTUUDE8XTG209757

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $69,695

$62,218

Merrillville, IN
62 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:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Jet Black, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
0
VIN:
1GTUUDE81TZ254702

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $65,545

$56,396

Highland, IN
64 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, Perforated Leather-Appointed Front Outb
Transmission:
Automatic
Mileage:
5
Stock number:
T22102
VIN:
3GTUUDED9TG109825

Preparing for a close up...

Photos coming soon

2026 GMC Sierra 1500

New car | MSRP $68,335

$58,810

Morton, IL
77 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:
5
Stock number:
G26242
VIN:
3GTUUDED3TG155621

  1. Home
  2. / New Cars
  3. / GMC Sierra 1500
  4. / SLT
  5. / Illinois
  6. / Onarga
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 16 and 24 MPG (or MPGe).

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2025 CarGurus, Inc., All Rights Reserved.