Used 2018 GMC Sierra 1500 SLT for SaleNationwide
972 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 Gaz
- Fuel type:
- Gasoline
- Interior color:
- Jet Black H2u
- Transmission:
- Automatic
- Mileage:
- 90,530
- Stock #:
- G7143A
- VIN:
- 3GTU2NEC1JG441418
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
90,530 mi
Bradley, IL
Good Deal
$26,278
- 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:
- 129,341
- Stock #:
- 242993
- VIN:
- 3GTU2NER9JG242993
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
129,341 mi
Lewiston, MN
Fair Deal
$23,245
- 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:
- 123,463
- Stock #:
- GF26117A
- VIN:
- 3GTU2NEC9JG586366
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
123,463 mi
Fredericksburg, TX
Good Deal
$25,125
- 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:
- Dark Ash seats with Jet Black interior accents
- Transmission:
- Automatic
- Mileage:
- 77,057
- Stock #:
- UV21216
- VIN:
- 3GTU2NEC6JG637208
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
77,057 mi
Tupelo, MS
Good Deal
$30,572
- 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
Photos coming soon
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:
- White Frost
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 93,045
- Stock #:
- G26069A
- VIN:
- 3GTU2NEC4JG399553
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab 4WD
93,045 mi
Cincinnati, OH
Fair Deal
$28,398
- 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:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 90,600
- Stock #:
- T26476A
- VIN:
- 3GTU2NEC0JG495907
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab 4WD
90,600 mi
Milton, FL
Great Deal
$26,841
- 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:
- 98,188
- Stock #:
- 101111
- VIN:
- 3GTU2NEC0JG468917
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab 4WD
98,188 mi
Cabot, AR
Fair Deal
$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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic
- Mileage:
- 89,462
- Stock #:
- LG04636T
- VIN:
- 3GTU2NEC5JG604636
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,462 mi
Lucedale, MS
Fair Deal
$29,755
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Red Quartz Tintcoat
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash/Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 141,160
- Stock #:
- 443733
- VIN:
- 3GTP1NEC8JG443733
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab
141,160 mi
Abilene, TX
Good Deal
$19,159
- 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
Photos coming soon
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:
- 4X2
- 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:
- 122,629
- Stock #:
- P267939A
- VIN:
- 3GTP1NECXJG354195
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
122,629 mi
Phoenix, AZ
Fair Deal
$23,265
- 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
Photos coming soon
Price drop
-$1,100
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,060 mi
New Smyrna Beach, FL
Good Deal
$27,384
$26,284
- 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:
- Automatic
- Mileage:
- 194,649
- Stock #:
- 18A4310
- VIN:
- 3GTU2NEC2JG343840
Photos coming soon
Price drop
-$1,200
2018 GMC Sierra 1500
SLT Crew Cab 4WD
194,649 mi
Chillicothe, MO
Great Deal
$17,605
$16,405
- 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:
- 104,373
- Stock #:
- 260490B
- VIN:
- 3GTU2NECXJG553828
Photos coming soon
Price drop
-$543
2018 GMC Sierra 1500
SLT Crew Cab 4WD
104,373 mi
Blue Springs, MO
Good Deal
$27,583
$27,040
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 86,614
- Stock #:
- JG314950
- VIN:
- 3GTP1NEC7JG314950
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab
86,614 mi
Houston, TX
Fair Deal
$27,525
- 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:
- 107,735
- Stock #:
- JG109978
- VIN:
- 3GTU2NEC1JG109978
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,735 mi
Okmulgee, OK
Fair Deal
$26,900
- 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
Photos coming soon
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:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 132,534
- Stock #:
- T1
- VIN:
- 3GTU2NEC5JG159685
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
132,534 mi
Ocean Springs, MS
Great Deal
$22,325
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 120,746
- Stock #:
- 468610
- VIN:
- 3GTU2NEJ9JG468610
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,746 mi
Frederick, CO
Good Deal
$25,194
- 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
Photos coming soon
Price drop
-$1,734
2018 GMC Sierra 1500
SLT Crew Cab
71,023 mi
Newnan, GA
Great Deal
$25,674
$23,940
- 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
Photos coming soon
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,550 mi
Florence, SC
Good Deal
$27,829
- 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:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 99,075
- Stock #:
- T444560
- VIN:
- 3GTP1NEC8JG444560
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
99,075 mi
Swainsboro, GA
Good Deal
$25,413
- 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:
- 103,476
- Stock #:
- 39752A
- VIN:
- 3GTU2NECXJG568507
Photos coming soon
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
103,476 mi
Plant City, FL
Good Deal
$26,752
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $25,971.48. The average price has decreased by -2.3% since last year. The 8204 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?
6534 out of 8204 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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