New GMC Sierra 1500 SLT for Sale near Unityville, PA
179 results
- 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 #:
- T340996
- VIN:
- 3GTUUDEL8TG340996
Sponsored by Carlisle Buick GMC
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Carlisle, PA
81 mi away
New car
MSRP $68,685
$58,424
- 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 Outb
- Transmission:
- Automatic
- Mileage:
- 5,782
- Stock #:
- N12456
- VIN:
- 3GTUUDED8TG119729
New arrival
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Washington, NJ
89 mi away
New car
MSRP $66,005
$59,079
- 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:
- 5
- Stock #:
- N13175
- VIN:
- 3GTUUDEL1TG376545
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Washington, NJ
89 mi away
New car
MSRP $72,705
$70,553
- 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 Outb
- Transmission:
- Automatic
- Mileage:
- 83
- Stock #:
- G3686
- VIN:
- 3GTUUDE87TG188513
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Penns Grove, NJ
Free home delivery
New car
MSRP $68,615
$58,865
- 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 #:
- T4053M71
- VIN:
- 3GTUUDEL0TG216480
Price drop
-$3,500
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Millersburg, PA
53 mi away
New car
MSRP $68,235
$58,994
$55,494
- 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 Outb
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- G3697
- VIN:
- 3GTUUDED1TG254793
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Penns Grove, NJ
Free home delivery
New car
MSRP $68,440
$55,690
- 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
New car
Home delivery from Penns Grove, NJ
Free home delivery
New car
MSRP $68,240
$55,990
- 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:
- Glacier White Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- T4091
- VIN:
- 3GTUUDED1TG329444
Price drop
-$3,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Millersburg, PA
53 mi away
New car
MSRP $70,330
$61,478
$58,478
- 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:
- Titanium Rush Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- G260666
- VIN:
- 3GTUUDEL6TG175286
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Manassas, VA
Price includes $270 shipping
New car
MSRP $72,060
$61,107
- 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 #:
- Q460659
- VIN:
- 3GTUUDED9TG323293
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Quakertown, PA
82 mi away
New car
MSRP $67,590
$58,820
- 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:
- 10
- Stock #:
- TZ360888
- VIN:
- 1GTUUDED5TZ360888
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Harrisburg, PA
70 mi away
New car
MSRP $67,085
$57,623
- 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:
- 2
- Stock #:
- 26G567
- VIN:
- 3GTUUDED9TG354690
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Butler, PA
Price includes $720 shipping
New car
MSRP $68,835
$62,957
- 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
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- T351937
- VIN:
- 3GTUUDE89TG351937
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Carlisle, PA
81 mi away
New car
MSRP $69,210
$60,915
- 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
- Stock #:
- FZJH32*O
- VIN:
- 3GTUUDED6TG395746
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Nanuet, NY
Price includes $330 shipping
New car
MSRP $65,945
$57,275
- 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:
- 5
- Stock #:
- G260667
- VIN:
- 3GTUUDEL8TG175287
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Manassas, VA
Price includes $270 shipping
New car
MSRP $72,060
$61,107
- 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
- Stock #:
- BSN4604
- VIN:
- 3GTUUDEL9TG376941
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Souderton, PA
89 mi away
New car
MSRP $74,470
$65,710
- 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:
- 1
- Stock #:
- BSN3778
- VIN:
- 3GTUUDEL8TG147117
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Souderton, PA
89 mi away
New car
MSRP $72,270
$63,510
- 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 $648 shipping
New car
MSRP $73,420
$62,591
- 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
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- 4311
- VIN:
- 3GTUUDED9TG219113
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Archbald, PA
52 mi away
New car
MSRP $66,740
$59,974
- 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:
- 10
- Stock #:
- 261223
- VIN:
- 1GTUUDED0TZ385231
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from East Liverpool, OH
Price includes $648 shipping
New car
MSRP $67,379
$56,399
- 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:
- 7
- Stock #:
- BSN4498
- VIN:
- 1GTUUDE89TZ358662
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Souderton, PA
89 mi away
New car
MSRP $69,785
$63,025
- 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 #:
- T340996
- VIN:
- 3GTUUDEL8TG340996
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Carlisle, PA
81 mi away
New car
MSRP $68,685
$58,424
- 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
- Stock #:
- FZJH31*O
- VIN:
- 3GTUUDED4TG395888
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Nanuet, NY
Price includes $330 shipping
New car
MSRP $65,450
$56,780
- 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:
- 10
- Stock #:
- T213491
- VIN:
- 1GTUUDEL1TZ213491
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Carlisle, PA
81 mi away
New car
MSRP $70,270
$59,906
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 15 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
