Used 2018 GMC Sierra 1500 SLT for SaleNationwide
964 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 102,764
- Stock #:
- PPER901
- VIN:
- 3GTU2NEJ1JG380814
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,764 mi
Pryor, OK
Fair Deal
$28,819
- Year:
- 2018
- 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:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 132,248
- Stock #:
- 33864
- VIN:
- 3GTU2NECXJG333864
2018 GMC Sierra 1500
SLT Crew Cab 4WD
132,248 mi
Denver, CO
Fair Deal
$24,490
- Year:
- 2018
- 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:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 68,392
- Stock #:
- T26829A
- VIN:
- 1GTV2NECXJZ260659
2018 GMC Sierra 1500
SLT Double Cab 4WD
68,392 mi
Zanesville, OH
Fair Deal
$28,197
- Year:
- 2018
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 81,358
- Stock #:
- 544582
- VIN:
- 3GTU2NEC3JG544582
2018 GMC Sierra 1500
SLT Crew Cab 4WD
81,358 mi
Osage City, KS
Good Deal
$30,249
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- Automatic
- Mileage:
- 83,675
- Stock #:
- CGBTJG463435B
- VIN:
- 3GTP1NEC1JG463435
2018 GMC Sierra 1500
SLT Crew Cab
83,675 mi
Jacksonville, FL
Fair Deal
$26,950
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 97,899
- Stock #:
- 540483
- VIN:
- 3GTU2NEC3JG540483
2018 GMC Sierra 1500
SLT Crew Cab 4WD
97,899 mi
Frederick, CO
Good Deal
$27,529
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,022
- Stock #:
- 3841B
- VIN:
- 1GTV2NECXJZ289854
Price drop
-$600
2018 GMC Sierra 1500
SLT Double Cab 4WD
89,022 mi
Dalton, OH
Good Deal
$24,939
$24,339
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 71,023
- Stock #:
- JG334515
- VIN:
- 3GTP1NEC1JG334515
2018 GMC Sierra 1500
SLT Crew Cab
71,023 mi
Newnan, GA
Great Deal
$25,674
- Year:
- 2018
- 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 Gba
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 119,316
- Stock #:
- P12715-3
- VIN:
- 3GTU2NEC3JG256528
2018 GMC Sierra 1500
SLT Crew Cab 4WD
119,316 mi
Covington, VA
Fair Deal
$27,399
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 116,121
- Stock #:
- 565370
- VIN:
- 3GTU2NEJ7JG565370
2018 GMC Sierra 1500
SLT Crew Cab 4WD
116,121 mi
Groveland, FL
Great Deal
$23,576
- Year:
- 2018
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 147,245
- Stock #:
- B52436
- VIN:
- 3GTU2NEJ9JG343767
2018 GMC Sierra 1500
SLT Crew Cab 4WD
147,245 mi
Denver, CO
Fair Deal
$23,987
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 13,616
- Stock #:
- 350676T
- VIN:
- 3GTU2NEC6JG350676
2018 GMC Sierra 1500
SLT Crew Cab 4WD
13,616 mi
Stuart, FL
Fair Deal
$39,292
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Stone Blue Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 115,976
- Stock #:
- 3000B
- VIN:
- 3GTU2NEJ7JG357571
2018 GMC Sierra 1500
SLT Crew Cab 4WD
115,976 mi
Marathon, WI
Good Deal
$25,540
- Year:
- 2018
- 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:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 111,653
- Stock #:
- GT551A
- VIN:
- 3GTU2NECXJG551500
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
111,653 mi
Greenfield, IN
Fair Deal
$26,546
- Year:
- 2018
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 87,181
- Stock #:
- C104499
- VIN:
- 3GTU2NEC1JG405406
Price drop
-$1,400
2018 GMC Sierra 1500
SLT Crew Cab 4WD
87,181 mi
Smithfield, RI
Great Deal
$27,118
$25,718
- Year:
- 2018
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 130,970
- Stock #:
- C24760B
- VIN:
- 3GTU2NEC4JG267554
2018 GMC Sierra 1500
SLT Crew Cab 4WD
130,970 mi
Southern Pines, NC
Good Deal
$24,935
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 108,080
- Stock #:
- PX7025
- VIN:
- 3GTU2NEC0JG357025
2018 GMC Sierra 1500
SLT Crew Cab 4WD
108,080 mi
Orlando, FL
Good Deal
$25,071
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Red (Burgundy)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 124,409
- Stock #:
- MM4502
- VIN:
- 3GTU2NEC3JG620415
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
124,409 mi
Thomasville, NC
Fair Deal
$24,900
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 93,205
- Stock #:
- G26450A
- VIN:
- 3GTU2NEC1JG249285
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
93,205 mi
Gladstone, OR
Good Deal
$28,150
- Year:
- 2018
- 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:
- 117,507
- Stock #:
- NS2243
- VIN:
- 3GTU2NEJ4JG627971
Price drop
-$1,000
2018 GMC Sierra 1500
SLT Crew Cab 4WD
117,507 mi
Slidell, LA
Great Deal
$24,443
$23,443
- Year:
- 2018
- 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:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 159,390
- Stock #:
- W3269A
- VIN:
- 3GTU2NEC0JG403856
2018 GMC Sierra 1500
SLT Crew Cab 4WD
159,390 mi
Randolph, OH
Great Deal
$17,966
- Year:
- 2018
- 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 Frost Tricoat
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 103,466
- Stock #:
- 39752A
- VIN:
- 3GTU2NECXJG568507
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
103,466 mi
Plant City, FL
Fair Deal
$28,085
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 80,221
- Stock #:
- N353
- VIN:
- 3GTU2NEC6JG597731
2018 GMC Sierra 1500
SLT Crew Cab 4WD
80,221 mi
Rome, GA
Good Deal
$31,135
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 73,776
- Stock #:
- T3112B
- VIN:
- 3GTP1NEC2JG201990
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
73,776 mi
Tampa, FL
Fair Deal
$25,982
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,086.09. The average price has decreased by -1.9% since last year. The 8261 for sale on CarGurus range from $2,636 to $136,390 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6581 out of 8261 for sale have no reported accidents or damage.
What is the fuel economy of the GMC Sierra 1500 SLT?
Depending on the engine and options, the GMC Sierra 1500 SLT gets between 11 and 24 MPG/MPGe.
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
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