New GMC Sierra 1500 SLT for Sale nearMagnolia, DE
170 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:
- 3L I6 Diesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TG294940
- VIN:
- 3GTUUDE88TG294940
Sponsored by Anderson Automotive of Abingdon
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Abingdon, MD
52 mi away
New car
MSRP $68,370
$59,937
- 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, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 0
- VIN:
- 3GTUUDE84TG468373
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Quakertown, PA
95 mi away
New car
MSRP $67,945
$61,675
- 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:
- 12
- Stock #:
- TG359833
- VIN:
- 3GTUUDED8TG359833
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Abingdon, MD
52 mi away
New car
MSRP $65,460
$60,488
- 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
45 mi away
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:
- Black
- Transmission:
- Automatic
- Mileage:
- 9
- Stock #:
- BSN4551
- VIN:
- 3GTUUDED4TG341622
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Souderton, PA
85 mi away
New car
MSRP $61,274
$53,414
- 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:
- 6
- Stock #:
- TG294940
- VIN:
- 3GTUUDE88TG294940
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Abingdon, MD
52 mi away
New car
MSRP $68,370
$59,937
- 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:
- 5
- Stock #:
- TG360538
- VIN:
- 3GTUUDEL1TG360538
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Atlantic City, NJ
58 mi away
New car
MSRP $67,745
$57,458
- 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
- Stock #:
- TZ467203
- VIN:
- 1GTUUDED0TZ467203
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Cockeysville, MD
67 mi away
New car
MSRP $66,630
$57,323
- 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:
- 6
- Stock #:
- T552
- VIN:
- 3GTUUDED6TG350578
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Warminster, PA
81 mi away
New car
MSRP $62,190
$54,930
- 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:
- 6
- Stock #:
- TG204750
- VIN:
- 3GTUUDE84TG204750
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Cockeysville, MD
67 mi away
New car
MSRP $68,265
$59,839
- 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
- Stock #:
- TZ464201
- VIN:
- 1GTUUDED3TZ464201
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Cockeysville, MD
67 mi away
New car
MSRP $67,125
$57,782
- 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:
- 5
- Stock #:
- TG409635
- VIN:
- 3GTUUDED3TG409635
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Feasterville Trevose, PA
78 mi away
New car
MSRP $68,085
$60,325
- 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
- Stock #:
- TZ467241
- VIN:
- 1GTUUDED8TZ467241
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Cockeysville, MD
67 mi away
New car
MSRP $67,125
$57,782
- 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
- Stock #:
- TG476461
- VIN:
- 3GTUUDED1TG476461
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Abingdon, MD
52 mi away
New car
MSRP $65,440
$57,245
- 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:
- 2
- Stock #:
- TZ416642
- VIN:
- 1GTUUDE89TZ416642
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Cockeysville, MD
67 mi away
New car
MSRP $69,370
$61,864
- 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:
- 7
- Stock #:
- BSN4552
- VIN:
- 3GTUUDED9TG344905
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Souderton, PA
85 mi away
New car
MSRP $68,240
$60,380
- 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:
- 0
- Stock #:
- 260532
- VIN:
- 1GTUUDED9TZ456877
Price drop
-$3,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Fairless Hills, PA
83 mi away
New car
MSRP $69,435
$61,675
$58,675
- 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:
- 4
- Stock #:
- TG391357
- VIN:
- 3GTUUDEL9TG391357
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Feasterville Trevose, PA
78 mi away
New car
MSRP $71,225
$64,465
- 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:
- 321
- Stock #:
- BSN4841
- VIN:
- 1GTUUDEDXTZ393921
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Souderton, PA
85 mi away
New car
MSRP $66,660
$58,800
- 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:
- 6
- Stock #:
- T541
- VIN:
- 3GTUUDED8TG350906
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Warminster, PA
81 mi away
New car
MSRP $66,825
$59,565
- 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 #:
- TG391356
- VIN:
- 3GTUUDEL7TG391356
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Feasterville Trevose, PA
78 mi away
New car
MSRP $71,225
$64,465
- 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 Outb
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- Q460321
- VIN:
- 3GTUUDEL1TG103282
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Quakertown, PA
95 mi away
New car
MSRP $70,330
$61,560
- 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:
- 2,076
- Stock #:
- BSN3778
- VIN:
- 3GTUUDEL8TG147117
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Souderton, PA
85 mi away
New car
MSRP $72,270
$64,121
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Glacier White Tricoat
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG418967
- VIN:
- 3GTUUDE83TG418967
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Abingdon, MD
52 mi away
New car
MSRP $70,425
$62,843
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 14 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.
