New GMC Sierra 1500 SLT for Sale nearMark, IL
215 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:
- ONYX BLACK
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 826128
- VIN:
- 1GTUUDED1TZ319366
Sponsored by Lou Bachrodt Chevrolet Buick GMC
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Rockford, IL
69 mi away
New car
MSRP $66,605
$64,002
- 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
78 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:
- Glacier White
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 100
- Stock #:
- T60439
- VIN:
- 3GTUUDE82TG355540
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Sandwich, IL
41 mi away
New car
MSRP $69,135
$65,000
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- HVE/DARK
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TZ325935
- VIN:
- 1GTUUDE87TZ325935
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Muscatine, IA
93 mi away
New car
MSRP $68,140
$55,320
- 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:
- HVE/DARK
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG330680
- VIN:
- 3GTUUDED7TG330680
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Muscatine, IA
93 mi away
New car
MSRP $67,595
$53,025
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG391191
- VIN:
- 3GTUUDEL1TG391191
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Muscatine, IA
93 mi away
New car
MSRP $70,730
$58,160
- 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
89 mi away
New car
MSRP $70,375
$60,005
- 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
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Highland, IN
94 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:
- 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
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Chicago, IL
93 mi away
New car
MSRP $68,735
$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:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- GT224
- VIN:
- 3GTUUDED8TG374462
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Dixon, IL
43 mi away
New car
MSRP $69,705
$59,813
- 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:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG392367
- VIN:
- 3GTUUDEL6TG392367
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Muscatine, IA
93 mi away
New car
MSRP $71,225
$57,405
- 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:
- 1
- Stock #:
- G15918
- VIN:
- 3GTUUDED3TG459189
Price drop
-$6,340
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Naperville, IL
65 mi away
New car
MSRP $66,590
$62,753
$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
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- M260568
- VIN:
- 1GTUUDE88TZ450040
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
McHenry, IL
88 mi away
New car
MSRP $66,230
$58,192
- 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
94 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 18
- Stock #:
- 260555
- VIN:
- 3GTUUDEDXTG450568
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Downers Grove, IL
73 mi away
New car
MSRP $68,820
$60,001
- 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
81 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:
- Sterling Metallic
- Mileage:
- 4
- Stock #:
- B26410
- VIN:
- 1GTUUDE88TZ403140
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Arlington Heights, IL
89 mi away
New car
MSRP $70,720
$60,310
- 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
44 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:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG370289
- VIN:
- 3GTUUDED0TG370289
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Muscatine, IA
93 mi away
New car
MSRP $68,985
$55,415
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- M26486
- VIN:
- 3GTUUDEL8TG415714
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Lincolnwood, IL
95 mi away
New car
MSRP $70,265
$60,393
- 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:
- 1
- Stock #:
- 3843
- VIN:
- 3GTUUDEL3TG417032
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Elmhurst, IL
81 mi away
New car
MSRP $70,015
$59,449
- 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 #:
- T22424
- VIN:
- 3GTUUDEDXTG420132
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Highland, IN
94 mi away
New car
MSRP $67,505
$57,007
- 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:
- 76
- Stock #:
- 26T235
- VIN:
- 3GTUUDEDXTG426741
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Harvard, IL
86 mi away
New car
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
- 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
73 mi away
New car
MSRP $67,070
$58,913
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
Cherise Threewitt
2027 GMC Sierra 1500 Pricing, Specs, and Release Date
GMC has redesigned the Sierra 1500 full-size pickup truck for 2027, with new styling, powertrains, and safety and convenience features.
Craig Fitzgerald
The Best Trucks Under $25,000 in 2026
New trucks cost more than ever, but the prices of used ones finally seem to be cooling. You still can't find the latest and fanciest full-sizes for budget prices, but fortunately, there are plenty of good trucks under $25,000 these days. Here, we've assembled a list of the best.
CarGurus Editorial Team
Car Deals with 0% APR in July 2026
Our experts have tracked down the latest 0% APR car deals, as well as examined the pros and cons of interest-free car loans versus other financing options.
