Used 2018 GMC Sierra 1500 SLT for SaleNationwide
977 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:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 71,021
- Stock #:
- JG334515
- VIN:
- 3GTP1NEC1JG334515
2018 GMC Sierra 1500
SLT Crew Cab
71,021 mi
Newnan, GA
Great Deal
$24,394
- 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:
- 114,664
- Stock #:
- T264558A
- VIN:
- 3GTU2NEC8JG487702
Price drop
-$1,392
2018 GMC Sierra 1500
SLT Crew Cab 4WD
114,664 mi
Kaukauna, WI
Good Deal
$25,735
$24,742
- 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:
- 116,107
- Stock #:
- 565370
- VIN:
- 3GTU2NEJ7JG565370
2018 GMC Sierra 1500
SLT Crew Cab 4WD
116,107 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 95,691
- Stock #:
- P4659A
- VIN:
- 3GTU2NEJ2JG497656
2018 GMC Sierra 1500
SLT Crew Cab 4WD
95,691 mi
Wheatland, WY
Good Deal
$28,274
- 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:
- 99,472
- Stock #:
- 579217T
- VIN:
- 3GTU2NEC1JG579217
Price drop
-$2,851
2018 GMC Sierra 1500
SLT Crew Cab 4WD
99,472 mi
Jacksonville, FL
Great Deal
$29,084
$26,233
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 142,543
- Stock #:
- D26287B
- VIN:
- 1GTV2NEC0JZ189925
2018 GMC Sierra 1500
SLT Double Cab 4WD
142,543 mi
Oxford, PA
Fair Deal
$20,480
- 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:
- 420 hp 6.2L V8
- Exterior color:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 175,032
- Stock #:
- G314898T
- VIN:
- 3GTU2NEJ0JG314898
2018 GMC Sierra 1500
SLT Crew Cab 4WD
175,032 mi
Norman, OK
Fair Deal
$20,394
- 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:
- COCOA/DUNE
- Transmission:
- Automatic
- Mileage:
- 57,918
- Stock #:
- 27561A
- VIN:
- 3GTU2NEC4JG360400
2018 GMC Sierra 1500
SLT Crew Cab 4WD
57,918 mi
Fargo, ND
Great Deal
$30,699
- 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
-$1,550
2018 GMC Sierra 1500
SLT Crew Cab 4WD
117,507 mi
Slidell, LA
Good Deal
$25,993
$24,443
- 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:
- White Frost Tricoat
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 73,778
- Stock #:
- 25280A
- VIN:
- 3GTU2NEC3JG533565
2018 GMC Sierra 1500
SLT Crew Cab 4WD
73,778 mi
Bourne, MA
Good Deal
$30,396
- 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:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 86,277
- Stock #:
- LT2444A
- VIN:
- 3GTU2NEC9JG113275
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
86,277 mi
Bellefonte, PA
Good Deal
$27,487
- 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
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
86,394 mi
Honolulu, HI
Good Deal
$25,990
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 110,732
- Stock #:
- TM2536
- VIN:
- 3GTU2NEC5JG359305
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
110,732 mi
Tipton, IN
Good Deal
$25,182
- 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:
- 134,301
- Stock #:
- 3P2181B
- VIN:
- 3GTP1NEC9JG598615
2018 GMC Sierra 1500
SLT Crew Cab
134,301 mi
Abilene, TX
Great Deal
$19,725
- 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
Price drop
-$1,595
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,651 mi
Corvallis, OR
Good Deal
$30,195
$28,600
- 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:
- Automatic
- Mileage:
- 100,184
- Stock #:
- 30572
- VIN:
- 3GTU2NEC2JG188948
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,184 mi
Rio Linda, CA
Fair Deal
$29,877
- 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:
- 83,627
- Stock #:
- CGBTJG463435B
- VIN:
- 3GTP1NEC1JG463435
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
83,627 mi
Jacksonville, FL
Fair Deal
$27,738
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 134,985
- Stock #:
- 495502
- VIN:
- 3GTU2NEC7JG495502
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
134,985 mi
San Antonio, TX
Good Deal
$23,374
- 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
- Transmission:
- Automatic
- Mileage:
- 160,887
- Stock #:
- 125098
- VIN:
- 3GTU2NEC7JG125098
2018 GMC Sierra 1500
SLT Crew Cab 4WD
160,887 mi
High Point, NC
Good Deal
$20,799
- 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:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,753
- Stock #:
- 1931
- VIN:
- 3GTU2NECXJG308768
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,753 mi
Raymond, ME
Good Deal
$27,528
- 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
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
55,670 mi
Omaha, NE
Good Deal
$32,649
- 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:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 87,368
- Stock #:
- G364578A
- VIN:
- 3GTU2NECXJG568247
2018 GMC Sierra 1500
SLT Crew Cab 4WD
87,368 mi
Louisville, NE
Good Deal
$29,484
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 112,564
- Stock #:
- T86942
- VIN:
- 3GTP1NEC8JG586942
Price drop
-$452
2018 GMC Sierra 1500
SLT Crew Cab
112,564 mi
Mayfield, KY
Good Deal
$23,271
$22,819
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,089.58. The average price has decreased by -1.8% since last year. The 8134 for sale on CarGurus range from $2,650 to $136,390 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6503 out of 8134 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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