Used 2018 GMC Sierra 1500 SLT for SaleNationwide
894 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
$23,398
- 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:
- 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:
- 355 hp 5.3L V8
- Exterior color:
- Cardinal Red
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 54,599
- Stock #:
- LX4485A
- VIN:
- 3GTU2NEC0JG581430
2018 GMC Sierra 1500
SLT Crew Cab 4WD
54,599 mi
Lexington, SC
Good Deal
$33,989
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 112,387
- Stock #:
- 438273
- VIN:
- 3GTP1NEC8JG438273
2018 GMC Sierra 1500
SLT Crew Cab
112,387 mi
Woodstock, GA
Fair Deal
$24,388
- 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:
- 154,122
- Stock #:
- T260423A
- VIN:
- 3GTU2NEC6JG460806
Price drop
-$800
2018 GMC Sierra 1500
SLT Crew Cab 4WD
154,122 mi
Tulsa, OK
Good Deal
$22,394
$21,594
- 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:
- Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 67,247
- Stock #:
- T27019A
- VIN:
- 3GTU2NEC5JG565076
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
67,247 mi
Comstock Park, MI
Good Deal
$29,978
- 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
- Transmission:
- Automatic
- Mileage:
- 105,383
- Stock #:
- 67830A
- VIN:
- 3GTU2NEJ9JG282520
Price drop
-$3,000
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,383 mi
La Mesa, CA
Good Deal
$30,073
$27,073
- 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:
- Automatic
- Mileage:
- 136,514
- Stock #:
- TG455926A
- VIN:
- 3GTP1NEC7JG171952
2018 GMC Sierra 1500
SLT Crew Cab
136,514 mi
Harvey, LA
Good Deal
$19,884
- 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:
- 98,606
- Stock #:
- G26195B
- VIN:
- 3GTU2NECXJG564490
2018 GMC Sierra 1500
SLT Crew Cab 4WD
98,606 mi
Brattleboro, VT
Good Deal
$26,940
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,753
- Stock #:
- 1931
- VIN:
- 3GTU2NECXJG308768
Price drop
-$1,000
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,753 mi
Raymond, ME
Good Deal
$28,528
$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:
- White Frost
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 45,807
- Stock #:
- P6247
- VIN:
- 3GTU2NEC2JG567917
2018 GMC Sierra 1500
SLT Crew Cab 4WD
45,807 mi
Elmhurst, IL
Fair Deal
$34,363
- 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:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 101,169
- Stock #:
- UM240869A
- VIN:
- 1GTV2NEC9JZ240869
New arrival
2018 GMC Sierra 1500
SLT Double Cab 4WD
101,169 mi
Prosser, WA
Good Deal
$24,553
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 88,974
- Stock #:
- 101111
- VIN:
- 3GTU2NEC0JG468917
Price drop
-$3,529
2018 GMC Sierra 1500
SLT Crew Cab 4WD
88,974 mi
Cabot, AR
Good Deal
$32,029
$28,500
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
87,181 mi
Smithfield, RI
Good Deal
$27,618
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- 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:
- 178,470
- Stock #:
- 317559
- VIN:
- 3GTP1NEC2JG317559
2018 GMC Sierra 1500
SLT Crew Cab
178,470 mi
San Antonio, TX
Fair Deal
$18,374
- 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:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 92,234
- Stock #:
- C631245
- VIN:
- 3GTU2NEC4JG631245
2018 GMC Sierra 1500
SLT Crew Cab 4WD
92,234 mi
Osceola, IN
Fair Deal
$29,547
- 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:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 206,734
- Stock #:
- 52T435A
- VIN:
- 3GTU2NEC6JG467335
Price drop
-$708
2018 GMC Sierra 1500
SLT Crew Cab 4WD
206,734 mi
Apple Valley, MN
Good Deal
$15,509
$14,801
- 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:
- 100,060
- Stock #:
- N419191B
- VIN:
- 3GTU2NECXJG428179
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,060 mi
New Smyrna Beach, FL
Fair Deal
$29,384
- 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:
- Silver
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 155,147
- Stock #:
- 10652
- VIN:
- 3GTU2NECXJG586571
2018 GMC Sierra 1500
SLT Crew Cab 4WD
155,147 mi
Covington, OH
Fair Deal
$22,192
- 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:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 112,560
- Stock #:
- G1402A
- VIN:
- 3GTU2NEC9JG151833
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
112,560 mi
Lebanon, PA
Fair Deal
$26,977
- 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
- Transmission:
- Automatic
- Mileage:
- 95,780
- Stock #:
- PNXTJG277429
- VIN:
- 3GTU2NEC7JG277429
2018 GMC Sierra 1500
SLT Crew Cab 4WD
95,780 mi
Tucson, AZ
Good Deal
$28,567
- 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:
- 95,690
- Stock #:
- P4659A
- VIN:
- 3GTU2NEJ2JG497656
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
95,690 mi
Wheatland, WY
Good Deal
$28,294
- 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
- Transmission:
- Automatic
- Mileage:
- 89,451
- Stock #:
- 26180A
- VIN:
- 3GTU2NEC9JG244612
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,451 mi
Taylorville, IL
Good Deal
$27,772
- 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:
- Cardinal Red
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 119,590
- Stock #:
- G26723A
- VIN:
- 3GTU2NEC0JG584764
Price drop
-$500
2018 GMC Sierra 1500
SLT Crew Cab 4WD
119,590 mi
Morton, IL
Great Deal
$24,312
$23,812
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,037.74. The average price has decreased by -1.9% since last year. The 7762 for sale on CarGurus range from $3,431 to $73,314 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6234 out of 7762 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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