New GMC Sierra 1500 SLT for Sale nearRoundup, MT
47 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- 1
- Stock #:
- 112763
- VIN:
- 1GTUUDED1TZ369541
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Price includes $1,293 shipping
New car
MSRP $61,490
$53,627
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- B26131
- VIN:
- 3GTUUDED2TG410842
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Boone, IA
Price includes $1,570 shipping
New car
MSRP $66,975
$65,649
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112773
- VIN:
- 3GTUUDE80TG367489
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Price includes $1,293 shipping
New car
MSRP $61,790
$55,927
- 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:
- 1
- Stock #:
- 112810
- VIN:
- 3GTUUDE84TG367477
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Price includes $1,293 shipping
New car
MSRP $62,285
$56,422
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- B26130
- VIN:
- 3GTUUDED1TG409939
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Boone, IA
Price includes $1,570 shipping
New car
MSRP $66,480
$65,349
- 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
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- 112781
- VIN:
- 3GTUUDE8XTG367483
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Price includes $1,293 shipping
New car
MSRP $62,285
$56,422
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- 112901
- VIN:
- 1GTUUDE86TZ402407
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Price includes $1,293 shipping
New car
MSRP $69,035
$60,672
- 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:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- C26390
- VIN:
- 3GTUUDE87TG440129
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Gillette, WY
Price includes $344 shipping
New car
MSRP $70,185
$64,678
- 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, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 2,057
- Stock #:
- C26256
- VIN:
- 3GTUUDEL2TG298874
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Gillette, WY
Price includes $344 shipping
New car
MSRP $72,000
$66,242
- 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:
- 2
- Stock #:
- B382175
- VIN:
- 3GTUUDED1TG382175
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Livingston, TX
Price includes $1,970 shipping
New car
MSRP $67,130
$65,098
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- DARK WALNUT/SLATE
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B414464
- VIN:
- 3GTUUDEL6TG414464
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Livingston, TX
Price includes $1,970 shipping
New car
MSRP $69,385
$68,354
- 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:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B399238
- VIN:
- 3GTUUDEL8TG399238
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Livingston, TX
Price includes $1,970 shipping
New car
MSRP $68,785
$67,754
- 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, Perforated Leather-Appointed Fr
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- B26146
- VIN:
- 3GTUUDED0TG279832
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from International Falls, MN
Price includes $742 shipping
New car
MSRP $64,495
$61,262
- 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:
- 5
- Stock #:
- 21907
- VIN:
- 3GTUUDE8XTG224050
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Eufaula, OK
Price includes $1,533 shipping
New car
MSRP $68,135
$70,665
- 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:
- 2
- Stock #:
- B397230
- VIN:
- 3GTUUDEL4TG397230
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Livingston, TX
Price includes $1,970 shipping
New car
MSRP $68,785
$67,754
- 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
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112748
- VIN:
- 1GTUUDED5TZ365153
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Price includes $1,293 shipping
New car
MSRP $61,490
No Price Listed
- 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:
- 3
- Stock #:
- TG429355
- VIN:
- 3GTUUDED9TG429355
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Stanton, TX
Price includes $678 shipping
New car
MSRP $64,495
No Price Listed
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TG382684
- VIN:
- 3GTUUDEL1TG382684
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Coeur d'Alene, ID
Price includes $972 shipping
New car
MSRP $72,465
No Price Listed
- 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:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TG400099
- VIN:
- 3GTUUDEL5TG400099
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Coeur d'Alene, ID
Price includes $972 shipping
New car
MSRP $70,215
No Price Listed
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- TG429167
- VIN:
- 3GTUUDED8TG429167
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Stanton, TX
Price includes $678 shipping
New car
MSRP $65,095
No Price Listed
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG380469
- VIN:
- 3GTUUDEL9TG380469
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Stanton, TX
Price includes $678 shipping
New car
MSRP $67,250
No Price Listed
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- TG381728
- VIN:
- 3GTUUDEL1TG381728
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Stanton, TX
Price includes $678 shipping
New car
MSRP $67,250
No Price Listed
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- TG399948
- VIN:
- 3GTUUDEL6TG399948
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Coeur d'Alene, ID
Price includes $972 shipping
New car
MSRP $70,215
No Price Listed
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TG390031
- VIN:
- 3GTUUDEL7TG390031
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Coeur d'Alene, ID
Price includes $972 shipping
New car
MSRP $69,515
No Price Listed
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 11 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
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