Used 2018 GMC Sierra 1500 SLT for SaleNationwide
961 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:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 36,631
- Stock #:
- CC260933A
- VIN:
- 3GTU2NECXJG613137
2018 GMC Sierra 1500
SLT Crew Cab 4WD
36,631 mi
Omaha, NE
Good Deal
$34,414
- 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
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 113,139
- Stock #:
- 24389T
- VIN:
- 3GTU2NEC2JG151818
2018 GMC Sierra 1500
SLT Crew Cab 4WD
113,139 mi
Tinley Park, IL
Fair Deal
$25,647
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 149,610
- Stock #:
- 4574B
- VIN:
- 3GTU2NEC6JG531955
2018 GMC Sierra 1500
SLT Crew Cab 4WD
149,610 mi
Dunkirk, IN
Fair Deal
$22,612
- 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
Price drop
-$744
2018 GMC Sierra 1500
SLT Crew Cab 4WD
130,970 mi
Southern Pines, NC
Good Deal
$24,935
$24,191
- 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:
- 420 hp 6.2L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 105,550
- Stock #:
- P841A
- VIN:
- 3GTU2NEJ3JG549389
Price drop
-$815
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,550 mi
Florence, SC
Good Deal
$28,140
$27,550
- 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
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:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic
- Mileage:
- 135,841
- Stock #:
- PT5645A
- VIN:
- 3GTU2NEC7JG153709
2018 GMC Sierra 1500
SLT Crew Cab 4WD
135,841 mi
Danville, KY
Fair Deal
$24,494
- 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:
- 56,687
- Stock #:
- 39863
- VIN:
- 3GTU2NEJ9JG601012
Price drop
-$1,651
2018 GMC Sierra 1500
SLT Crew Cab 4WD
56,687 mi
North Bend, WA
Good Deal
$33,650
$31,999
- 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 Quartz Tintcoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash seats with Jet Black interior accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 55,670
- Stock #:
- X05320B
- VIN:
- 3GTU2NEC3JG343040
Price drop
-$1,773
2018 GMC Sierra 1500
SLT Crew Cab 4WD
55,670 mi
Omaha, NE
Good Deal
$32,622
$30,849
- 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
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 105,675
- Stock #:
- T263669A
- VIN:
- 3GTU2NEC6JG292830
Price drop
-$600
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,675 mi
Jackson, TN
Good Deal
$28,490
$27,890
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 86,394
- Stock #:
- MG329175A
- VIN:
- 3GTP1NEC6JG489481
2018 GMC Sierra 1500
SLT Crew Cab
86,394 mi
Honolulu, HI
Good Deal
$26,993
- 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
Price drop
-$2,600
2018 GMC Sierra 1500
SLT Crew Cab 4WD
119,316 mi
Covington, VA
Great Deal
$27,399
$24,799
- 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
$23,940
- 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:
- Red Quartz Tintcoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 125,195
- Stock #:
- TG491378A
- VIN:
- 3GTU2NECXJG599126
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
125,195 mi
Springfield, MO
Good Deal
$24,486
- 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
$26,998
- 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:
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
117,507 mi
Slidell, LA
Great Deal
$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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 102,651
- Stock #:
- D5920A
- VIN:
- 3GTU2NER5JG428773
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,651 mi
Corvallis, OR
Good Deal
$28,075
- 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
- 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:
- 89,928
- Stock #:
- 103216
- VIN:
- 3GTU2NEC9JG103216
Price drop
-$1,742
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,928 mi
Frederick, CO
Great Deal
$27,995
$26,253
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 143,315
- Stock #:
- 51T424A
- VIN:
- 3GTU2NEC9JG296676
2018 GMC Sierra 1500
SLT Crew Cab 4WD
143,315 mi
Hastings, MN
Fair Deal
$22,810
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 107,715
- Stock #:
- B4866
- VIN:
- 3GTU2NEJ0JG169846
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,715 mi
Clarksville, AR
Good Deal
$27,719
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,021.65. The average price has decreased by -2.1% since last year. The 8172 for sale on CarGurus range from $2,136 to $136,390 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6510 out of 8172 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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