New GMC Sierra 1500 SLT for Sale near Longleaf, LA

522 results

Compare cars

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 272
Stock #:: GGT0157
VIN:: 3GTUUDED2TG212620

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

New Iberia, LA

83 mi away

New car

MSRP $66,845

$61,547

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 15
Stock #:: 324426
VIN:: 3GTUUDED7TG324426

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Natchez, MS

79 mi away

New car

$64,490

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:: Gray
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 0
Stock #:: 26GB5010
VIN:: 1GTUUDED7TZ402607

New arrival

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Breaux Bridge, LA

62 mi away

New car

MSRP $67,865

$64,563

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 2
Stock #:: G7282
VIN:: 1GTUUDE89TZ286913

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Mt Pleasant, TX

Free home delivery

New car

MSRP $68,370

$56,288

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black Perforated Leather Appointed Front Outbo
Transmission:: Automatic
Mileage:: 0
Stock #:: 326745
VIN:: 3GTUUDE8XTG253760

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Rockwall, TX

Price includes $1,068 shipping

New car

MSRP $68,635

$56,602

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black Perforated Leather Appointed Front Outbo
Transmission:: Automatic
Mileage:: 0
Stock #:: 326822
VIN:: 3GTUUDED3TG337643

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Rockwall, TX

Price includes $1,068 shipping

New car

MSRP $67,480

$53,447

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black Perforated Leather Appointed Front Outbo
Transmission:: Automatic
Mileage:: 0
Stock #:: 326705
VIN:: 3GTUUDED7TG309666

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Rockwall, TX

Price includes $1,068 shipping

New car

MSRP $68,465

$54,432

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 1
Stock #:: 2-G9680
VIN:: 3GTUUDED3TG375714

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Hammond, LA

Price includes $125 shipping

New car

MSRP $65,560

$52,909

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 10
Stock #:: 2-G9710
VIN:: 3GTUUDED9TG377001

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Hammond, LA

Price includes $125 shipping

New car

MSRP $69,865

$57,214

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 5
Stock #:: TG282863
VIN:: 3GTUUDED4TG282863

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from BeeCave, TX

Price includes $490 shipping

New car

MSRP $67,329

$56,986

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 0
Stock #:: 268256
VIN:: 3GTUUDED2TG311860

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Metairie, LA

Free home delivery

New car

MSRP $65,845

$53,033

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black Perforated Leather Appointed Front Outbo
Transmission:: Automatic
Mileage:: 0
Stock #:: 261084
VIN:: 1GTUUDED7TZ401019

New arrival

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Paris, TX

Price includes $386 shipping

New car

MSRP $68,735

$55,484

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 5
Stock #:: TG382434
VIN:: 3GTUUDEDXTG382434

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Carrollton, TX

Price includes $438 shipping

New car

MSRP $67,740

$54,669

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black Perforated Leather Appointed Front Outbo
Transmission:: Automatic
Mileage:: 0
Stock #:: 326240
VIN:: 3GTUUDE82TG120040

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Rockwall, TX

Price includes $1,068 shipping

New car

MSRP $68,135

$56,102

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 25
Stock #:: G602140
VIN:: 1GTUUDEL5TZ202140

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Brighton, CO

Price includes $927 shipping

New car

MSRP $71,275

$61,469

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 5
Stock #:: TG364027
VIN:: 3GTUUDE82TG364027

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Carrollton, TX

Price includes $438 shipping

New car

MSRP $68,535

$57,353

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 56
Stock #:: TG349579
VIN:: 3GTUUDED3TG349579

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Carrollton, TX

Price includes $438 shipping

New car

MSRP $67,740

$54,669

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black Perforated Leather Appointed Front Outbo
Transmission:: Automatic
Mileage:: 0
Stock #:: 326649
VIN:: 3GTUUDE89TG219230

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Rockwall, TX

Price includes $1,068 shipping

New car

MSRP $69,429

$57,396

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 9
Stock #:: 260263
VIN:: 3GTUUDEL1TG128294

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from East Liverpool, OH

Price includes $2,829 shipping

New car

MSRP $73,420

$64,772

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 4
Stock #:: TG307208
VIN:: 3GTUUDED0TG307208

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Plano, TX

Price includes $578 shipping

New car

MSRP $67,575

$54,194

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 4
Stock #:: TG364024
VIN:: 3GTUUDE87TG364024

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Carrollton, TX

Price includes $438 shipping

New car

MSRP $68,535

$57,353

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 4
Stock #:: TG382368
VIN:: 3GTUUDED1TG382368

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Carrollton, TX

Price includes $438 shipping

New car

MSRP $67,740

$54,669

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 1
Stock #:: 2-G9556
VIN:: 3GTUUDE84TG317467

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Hammond, LA

Price includes $125 shipping

New car

MSRP $68,140

$57,489

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
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 40
Stock #:: 3-G90001
VIN:: 3GTUUDEL9TG333037

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Home delivery from Gonzales, LA

Price includes $109 shipping

New car

MSRP $71,325

$60,658

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 EV battery range).

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

A better way to discover your best deal

Let us help you find a car you’ll love.