New GMC Sierra 1500 SLT for Sale nearMendon, IL
465 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:
- Black
- Transmission:
- Automatic
- Stock #:
- G26981
- VIN:
- 3GTUUDED3TG415287
Sponsored by O'Fallon Buick GMC
2026 GMC Sierra 1500
SLT Crew Cab 4WD
O'Fallon, MO
98 mi away
New car
MSRP $68,065
$57,948
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- 53890
- VIN:
- 3GTUUDE85TG396745
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Saint Peters, MO
98 mi away
New car
MSRP $70,465
$63,638
- 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:
- 1
- Stock #:
- 26G234
- VIN:
- 3GTUUDE83TG332834
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Springfield, IL
90 mi away
New car
MSRP $68,040
$60,521
- 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
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Fort Madison, IA
36 mi away
New car
MSRP $63,945
$50,179
- 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
36 mi away
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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- DARK WALNUT/SLATE
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2750
- VIN:
- 3GTUUDEDXTG423239
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $65,525
$54,799
$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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2760
- VIN:
- 3GTUUDED4TG424144
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $68,800
$57,799
$55,799
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Gray
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2680
- VIN:
- 3GTUUDE88TG269424
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $68,260
$57,299
- 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
36 mi away
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:
- 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
36 mi away
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:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- DARK WALNUT/SLATE
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2753
- VIN:
- 3GTUUDEDXTG424147
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $68,800
$57,799
$55,799
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- DARK WALNUT/SLATE
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2725
- VIN:
- 3GTUUDEL2TG384900
Price drop
-$2,501
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $71,290
$61,000
$58,499
- 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 Leather
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- 260673
- VIN:
- 3GTUUDED2TG447440
Price drop
-$4,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Troy, MO
79 mi away
New car
MSRP $65,040
$56,588
$52,588
- 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:
- 1
- Stock #:
- G2748
- VIN:
- 3GTUUDED0TG419457
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $68,735
$57,799
$55,799
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2754
- VIN:
- 3GTUUDED3TG424149
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Kirksville, MO
70 mi away
New car
MSRP $69,400
$58,299
$56,299
- 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
$57,070
- 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
$54,275
- 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 #:
- 112763
- VIN:
- 1GTUUDED1TZ369541
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Kansas City, KS
Free home delivery
New car
MSRP $61,490
$52,334
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- 406217
- VIN:
- 3GTUUDE8XTG406217
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Ottumwa, IA
88 mi away
New car
MSRP $68,535
$58,054
- 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- L266955
- VIN:
- 3GTUUDED2TG446191
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Collinsville, IL
Price includes $180 shipping
New car
MSRP $61,195
$49,107
- 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Stock #:
- 52T518
- VIN:
- 3GTUUDED2TG375073
Price drop
-$3,376
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Apple Valley, MN
Price includes $501 shipping
New car
MSRP $68,885
$62,102
$58,726
- 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:
- 2,693
- Stock #:
- L265303
- VIN:
- 1GTUUDED5TZ345386
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Collinsville, IL
Price includes $180 shipping
New car
MSRP $65,460
$50,881
- 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:
- 2,514
- Stock #:
- L265251
- VIN:
- 1GTUUDED0TZ345330
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Collinsville, IL
Price includes $180 shipping
New car
MSRP $65,995
$51,355
- 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:
- 7
- Stock #:
- L266956
- VIN:
- 3GTUUDED3TG447432
2026 GMC Sierra 1500
SLT Crew Cab 4WD
Home delivery from Collinsville, IL
Price includes $180 shipping
New car
MSRP $64,000
$51,589
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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