New GMC Sierra 1500 SLT for Sale nearUnion, WA
44 vehicles found
See the total price upfront.
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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- G33048
- VIN:
- 3GTUUDED3TG250194
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Bellevue, WA
47 mi away
New car
MSRP $69,370
$69,570
- 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:
- 3
- Stock #:
- G33059
- VIN:
- 3GTUUDE84TG252359
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Bellevue, WA
47 mi away
New car
MSRP $70,165
$70,365
- 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:
- 3
- Stock #:
- G33246
- VIN:
- 3GTUUDED4TG365242
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Bellevue, WA
47 mi away
New car
MSRP $69,370
$69,570
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 14
- Stock #:
- G262129
- VIN:
- 1GTUUDE8XTZ121808
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Puyallup, WA
37 mi away
New car
MSRP $66,840
$61,790
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- G262128
- VIN:
- 1GTUUDE87TZ121801
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Puyallup, WA
37 mi away
New car
MSRP $66,840
$61,790
- 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- G262503
- VIN:
- 3GTUUDEL9TG134442
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Puyallup, WA
37 mi away
New car
MSRP $70,715
$65,165
- 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:
- 5
- Stock #:
- G262238
- VIN:
- 3GTUUDE8XTG133747
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Puyallup, WA
37 mi away
New car
MSRP $67,335
$62,285
- 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
- Mileage:
- 5
- Stock #:
- G26312
- VIN:
- 1GTUUDE84TZ287225
Price drop
-$1,558
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Auburn, WA
40 mi away
New car
MSRP $68,120
$61,469
$59,911
- 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:
- Summit White
- Fuel type:
- Gasoline
- Mileage:
- 9
- Stock #:
- G26195
- VIN:
- 3GTUUDEL4TG163881
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Auburn, WA
40 mi away
New car
MSRP $69,945
$61,474
- 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:
- 9
- Stock #:
- G262665
- VIN:
- 3GTUUDEL6TG302246
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Puyallup, WA
37 mi away
New car
MSRP $71,610
$66,060
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 79
- Stock #:
- TU121786
- VIN:
- 1GTUUDE84TZ121786
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Ft Benton, MT
Price includes $725 shipping
New car
MSRP $69,730
$65,104
- 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 Outb
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- 21907
- VIN:
- 3GTUUDE8XTG224050
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Eufaula, OK
Price includes $2,452 shipping
New car
MSRP $68,135
$65,342
- 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:
- 3
- Stock #:
- G33048
- VIN:
- 3GTUUDED3TG250194
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Bellevue, WA
47 mi away
New car
MSRP $69,370
$69,570
- 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:
- 3
- Stock #:
- G33059
- VIN:
- 3GTUUDE84TG252359
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Bellevue, WA
47 mi away
New car
MSRP $70,165
$70,365
- 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:
- 9
- Stock #:
- G262708
- VIN:
- 3GTUUDEL6TG307060
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Puyallup, WA
37 mi away
New car
MSRP $71,610
$66,060
- 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:
- 100
- Stock #:
- TU326453
- VIN:
- 1GTUUDED9TZ326453
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Ft Benton, MT
Price includes $725 shipping
New car
MSRP $69,960
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:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B382175
- VIN:
- 3GTUUDED1TG382175
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Livingston, TX
Price includes $2,826 shipping
New car
MSRP $67,130
$65,955
- 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
New car
Home delivery from Livingston, TX
Price includes $2,826 shipping
New car
MSRP $68,785
$68,610
- 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:
- 2
- Stock #:
- B372559
- VIN:
- 3GTUUDE89TG372559
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Livingston, TX
Price includes $2,826 shipping
New car
MSRP $67,430
$70,505
- 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 #:
- TG254792
- VIN:
- 3GTUUDEDXTG254792
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Stanton, TX
Price includes $136 shipping
New car
MSRP $68,440
No Price Listed
- 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:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- 21908
- VIN:
- 3GTUUDE81TG223627
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Eufaula, OK
Price includes $2,452 shipping
New car
MSRP $67,640
$64,910
- 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:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- 22180
- VIN:
- 3GTUUDED7TG370452
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Eufaula, OK
Price includes $2,452 shipping
New car
MSRP $67,080
$66,080
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- G6366
- VIN:
- 1GTUUDE80TZ345363
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Renton, WA
41 mi away
New car
MSRP $69,035
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
New car
Home delivery from Stanton, TX
Price includes $136 shipping
New car
MSRP $67,250
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 16 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
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