Used 2018 GMC Sierra 1500 SLT for SaleNationwide
844 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:
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 150,907
- Stock #:
- P4676
- VIN:
- 3GTP1NEC6JG394676
Price drop
-$1,000
2018 GMC Sierra 1500
SLT Crew Cab
150,907 mi
Athens, AL
Fair Deal
$21,696
$20,696
- 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:
- Stone Blue Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 105,749
- Stock #:
- G3711AA
- VIN:
- 3GTU2NEC5JG465673
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,749 mi
Mineral Wells, TX
Great Deal
$25,260
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 94,810
- Stock #:
- 2636A
- VIN:
- 3GTU2NEC9JG359050
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
94,810 mi
Chillicothe, MO
Good Deal
$26,988
- 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:
- Brown (Tan)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 97,415
- Stock #:
- 229294
- VIN:
- 3GTU2NEC1JG229294
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
97,415 mi
Madison, AL
Fair Deal
$29,696
- 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
$26,219
- 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/Dark Sand
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 100,648
- Stock #:
- M23338B
- VIN:
- 3GTP1NECXJG483313
2018 GMC Sierra 1500
SLT Crew Cab
100,648 mi
Moncks Corner, SC
Good Deal
$25,715
- 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:
- Red Quartz Tintcoat
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 67,395
- Stock #:
- P9551
- VIN:
- 3GTU2NEJ5JG513008
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
67,395 mi
Arcadia, FL
Fair Deal
$34,256
- 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:
- 48,060
- Stock #:
- 82628A
- VIN:
- 3GTU2NEC4JG582628
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
48,060 mi
Algona, IA
Good Deal
$33,717
- 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:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 107,668
- Stock #:
- S71719
- VIN:
- 3GTP1NEC7JG482104
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
107,668 mi
Englewood, CO
Great Deal
$22,487
- 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:
- Dark Ash/Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 68,745
- Stock #:
- 541416T
- VIN:
- 3GTU2NEC4JG541416
2018 GMC Sierra 1500
SLT Crew Cab 4WD
68,745 mi
Highlands Ranch, CO
Fair Deal
$33,140
- 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:
- 90,351
- Stock #:
- 430720
- VIN:
- 3GTU2NER5JG430720
2018 GMC Sierra 1500
SLT Crew Cab 4WD
90,351 mi
Yakima, WA
Great Deal
$25,199
- 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
New arrival
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
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 87,918
- Stock #:
- 26360
- VIN:
- 3GTU2NEC0JG643165
Price drop
-$1,000
2018 GMC Sierra 1500
SLT Crew Cab 4WD
87,918 mi
Chambersburg, PA
Good Deal
$30,299
$29,299
- 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
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 74,861
- Stock #:
- 592232T
- VIN:
- 3GTU2NEC7JG592232
2018 GMC Sierra 1500
SLT Crew Cab 4WD
74,861 mi
Picayune, MS
Fair Deal
$32,858
- 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:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic
- Mileage:
- 168,273
- Stock #:
- 76756A
- VIN:
- 3GTU2NEC1JG551188
2018 GMC Sierra 1500
SLT Crew Cab 4WD
168,273 mi
Watseka, IL
Fair Deal
$20,366
- 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
$27,718
- 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:
- Stone Blue Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 110,265
- Stock #:
- 261240AAA
- VIN:
- 3GTU2NEC5JG548102
2018 GMC Sierra 1500
SLT Crew Cab 4WD
110,265 mi
Chippewa Falls, WI
Good Deal
$25,751
- 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:
- Brown (TAN)
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 86,062
- Stock #:
- JG2070133
- VIN:
- 3GTU2NECXJG207133
2018 GMC Sierra 1500
SLT Crew Cab 4WD
86,062 mi
Starke, FL
Fair Deal
$31,747
- 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:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 78,777
- Stock #:
- CT597B
- VIN:
- 3GTU2NEC4JG306109
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
78,777 mi
Dyersville, IA
Fair Deal
$32,175
- 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:
- 93,045
- Stock #:
- G26069A
- VIN:
- 3GTU2NEC4JG399553
2018 GMC Sierra 1500
SLT Crew Cab 4WD
93,045 mi
Cincinnati, OH
Fair Deal
$28,898
- 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
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 149,288
- Stock #:
- C316A
- VIN:
- 3GTU2NEC8JG513599
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
149,288 mi
Beardstown, IL
Fair Deal
$23,944
- 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:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 125,354
- Stock #:
- 61631A
- VIN:
- 3GTU2NEC1JG616802
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
125,354 mi
Taylor, MI
Fair Deal
$23,299
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,207.45. The average price has decreased by -1.2% since last year. The 7568 for sale on CarGurus range from $4,081 to $269,225 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6097 out of 7568 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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