New GMC Sierra 1500 SLT for SaleNationwide
9,764 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 27
- Stock #:
- G52248
- VIN:
- 1GTUUDED5TZ252996
Price drop
-$7,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Fort Madison, IA
New car
MSRP $63,945
$57,429
$50,179
- 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:
- 924
- Stock #:
- GTG208026
- VIN:
- 3GTUUDED3TG208026
Price drop
-$4,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Morrow, GA
New car
MSRP $66,845
$60,593
$56,343
- 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:
- 7
- Stock #:
- G3695
- VIN:
- 3GTUUDED3TG249949
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Penns Grove, NJ
New car
MSRP $68,240
$54,990
- 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:
- 10
- Stock #:
- B261296
- VIN:
- 3GTUUDED7TG294019
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Austin, TX
New car
MSRP $68,564
$55,539
- 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:
- Jet Black Perforated Leather Appointed Front Outbo
- Transmission:
- Automatic
- Mileage:
- 13
- Stock #:
- UG1515
- VIN:
- 3GTUUDEL2TG317178
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Albertville, AL
New car
MSRP $69,570
$51,570
- 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:
- 3
- Stock #:
- 26L1509
- VIN:
- 3GTUUDELXTG316585
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Laurel, MS
New car
MSRP $69,735
$57,568
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TG332387
- VIN:
- 3GTUUDEL9TG332387
Price drop
-$5,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Aurora, MO
New car
MSRP $70,355
$59,154
$53,904
- 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:
- 3
- Stock #:
- TG330614
- VIN:
- 3GTUUDEL6TG330614
Price drop
-$5,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Aurora, MO
New car
MSRP $70,850
$59,649
$54,399
- 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:
- 3
- Stock #:
- TG330767
- VIN:
- 3GTUUDEL9TG330767
Price drop
-$5,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Aurora, MO
New car
MSRP $70,850
$59,649
$54,399
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG332054
- VIN:
- 3GTUUDEL4TG332054
Price drop
-$5,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Aurora, MO
New car
MSRP $70,355
$59,154
$53,904
- 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
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TZ329030
- VIN:
- 1GTUUDED7TZ329030
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Guthrie, OK
New car
MSRP $64,000
$55,249
- 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:
- 250
- Stock #:
- G305443
- VIN:
- 3GTUUDED0TG305443
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Graham, TX
New car
MSRP $65,245
$52,720
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG332181
- VIN:
- 3GTUUDEL0TG332181
Price drop
-$5,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Aurora, MO
New car
MSRP $70,355
$59,154
$53,904
- 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:
- 0
- Stock #:
- GT2711
- VIN:
- 3GTUUDEL5TG334055
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Lutz, FL
New car
MSRP $72,480
$63,282
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Red
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 1,070
- Stock #:
- 25L0986
- VIN:
- 3GTUUDE84SG311604
2025 GMC Sierra 1500
SLT Crew Cab 4WD
Laurel, MS
New car
MSRP $66,670
$52,753
- 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:
- Dark Walnut/slate
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- 70360
- VIN:
- 3GTUUDEL6TG396550
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Cullman, AL
New car
MSRP $69,570
$56,869
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G26453
- VIN:
- 3GTUUDEL3TG385165
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Jasper, AL
New car
MSRP $71,825
$59,325
- 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:
- 9
- Stock #:
- G52556
- VIN:
- 3GTUUDEL2TG393323
Price drop
-$1,500
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Fort Madison, IA
New car
MSRP $72,220
$59,679
$58,179
- 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
- Stock #:
- 52T518
- VIN:
- 3GTUUDED2TG375073
Price drop
-$7,626
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Apple Valley, MN
New car
MSRP $68,885
$65,851
$58,225
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 8
- Stock #:
- G26558
- VIN:
- 3GTUUDED5TG410673
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Jasper, AL
New car
MSRP $69,810
$56,810
- 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
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- G52616
- VIN:
- 3GTUUDED9TG417920
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Fort Madison, IA
New car
MSRP $68,240
$56,179
$54,179
- 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:
- DARK WALNUT/SLATE
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2750
- VIN:
- 3GTUUDEDXTG423239
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
New car
MSRP $65,525
$52,799
- 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:
- 17
- Stock #:
- G52632
- VIN:
- 1GTUUDED1TZ422027
Price drop
-$1,351
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Fort Madison, IA
New car
MSRP $65,955
$54,429
$53,078
- 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:
- 1
- Stock #:
- G2760
- VIN:
- 3GTUUDED4TG424144
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
New car
MSRP $68,800
$55,799
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.
Relevant articles
CarGurus Editorial Team
Best Truck Lease Deals in August 2026
Leasing a truck can be a great way to get into one of the latest models, with the best technology, at a more affordable monthly price. Here are the best deals we've found this month.
CarGurus Editorial Team
Best Car Deals in August 2026
In the market for a new or used car this year? Whether you’re looking to buy or lease, we’ve collated a list of the best car deals available this month.
CarGurus Editorial Team
The Best Gas Mileage Trucks of 2026
No one wants to cover unnecessary fuel expenses, particularly when operating a business. Here are the top 9 pickup trucks in the US market with the best fuel efficiency.
