New GMC Sierra 1500 SLT for Sale nearHarvard, IL
186 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:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 78
- Stock #:
- G260843
- VIN:
- 1GTUUDE80TZ329504
Sponsored by Zimbrick Eastside
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Madison, WI
62 mi away
New car
MSRP $69,064
$63,332
- 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:
- 2
- Stock #:
- GC26065
- VIN:
- 3GTUUDEL7TG257785
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Tinley Park, IL
68 mi away
New car
MSRP $73,090
$70,862
- 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
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- 326012
- VIN:
- 1GTUUDE83TZ116126
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Beaver Dam, WI
76 mi away
New car
MSRP $68,460
$61,112
- 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:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- LB26343
- VIN:
- 3GTUUDED0TG260228
2026 GMC Sierra 1500
SLT Crew Cab 4WD
North Riverside, IL
56 mi away
New car
MSRP $70,904
$58,682
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Onyx Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- B26031
- VIN:
- 3GTUUDEL2TG106787
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Arlington Heights, IL
36 mi away
New car
MSRP $70,375
$58,977
- 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 #:
- B26622
- VIN:
- 3GTUUDEDXTG426741
2026 GMC Sierra 1500
SLT Crew Cab 4WD
North Riverside, IL
56 mi away
New car
MSRP $71,079
$59,440
- 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 #:
- 826128
- VIN:
- 1GTUUDED1TZ319366
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Rockford, IL
22 mi away
New car
MSRP $66,605
$56,339
- 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 #:
- G15630
- VIN:
- 1GTUUDED9TZ381307
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Naperville, IL
49 mi away
New car
MSRP $67,085
$56,413
- 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:
- 19
- Stock #:
- 260552
- VIN:
- 3GTUUDE82TG375853
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Downers Grove, IL
50 mi away
New car
MSRP $67,070
$58,913
- 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:
- 1
- Stock #:
- 3815
- VIN:
- 3GTUUDEL8TG377966
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Elmhurst, IL
46 mi away
New car
MSRP $73,305
$63,242
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Summit White
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- B26038
- VIN:
- 3GTUUDEL2TG103713
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Arlington Heights, IL
36 mi away
New car
MSRP $69,880
$58,545
- 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 #:
- T26032
- VIN:
- 3GTUUDED9TG287881
Price drop
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Chicago, IL
63 mi away
New car
MSRP $68,735
$60,460
$56,615
- 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 #:
- GN03684
- VIN:
- 1GTUUDED0TZ286974
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Morris, IL
72 mi away
New car
MSRP $68,240
$59,054
- 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 #:
- T22359
- VIN:
- 3GTUUDED7TG364554
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Highland, IN
83 mi away
New car
MSRP $66,755
$56,332
- 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:
- 2,800
- Stock #:
- 262197
- VIN:
- 1GTUUDED0TZ312795
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Madison, WI
60 mi away
New car
MSRP $67,495
$57,371
- 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:
- 12
- Stock #:
- G260537
- VIN:
- 3GTUUDED0TG270158
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Madison, WI
62 mi away
New car
MSRP $69,060
$58,065
- 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
- Stock #:
- T22367
- VIN:
- 3GTUUDED9TG374454
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Highland, IN
83 mi away
New car
MSRP $67,290
$56,813
- 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:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 826190
- VIN:
- 3GTUUDEL4TG393615
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Rockford, IL
22 mi away
New car
MSRP $74,650
$61,161
- 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
- Stock #:
- 262320
- VIN:
- 3GTUUDEL4TG392853
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Madison, WI
60 mi away
New car
MSRP $73,160
$62,982
- 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
- Stock #:
- T22435
- VIN:
- 3GTUUDED1TG440494
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Highland, IN
83 mi away
New car
MSRP $67,820
$57,290
- 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
- Stock #:
- T7873
- VIN:
- 3GTUUDE87TG258513
Price drop
-$1,500
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Saint Charles, IL
37 mi away
New car
MSRP $68,375
$60,972
$59,472
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Onyx Black
- Mileage:
- 4
- Stock #:
- B26255
- VIN:
- 3GTUUDE8XTG253175
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Arlington Heights, IL
36 mi away
New car
MSRP $70,449
$60,073
- 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 #:
- T22369
- VIN:
- 3GTUUDED2TG374456
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Highland, IN
83 mi away
New car
MSRP $67,290
$56,813
- 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
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 826209
- VIN:
- 3GTUUDE87TG419331
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Rockford, IL
22 mi away
New car
MSRP $71,230
$59,627
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.
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