Used 2018 GMC Sierra 1500 SLT for SaleNationwide
948 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:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 150,841
- Stock #:
- 26315A
- VIN:
- 3GTU2NEC1JG290323
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
150,841 mi
Snyder, TX
Great Deal
$20,350
- 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:
- White
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 118,752
- Stock #:
- 260212B
- VIN:
- 3GTU2NEC6JG364528
2018 GMC Sierra 1500
SLT Crew Cab 4WD
118,752 mi
St Cloud, MN
Good Deal
$23,845
- 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
New arrival
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:
- 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:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 84,369
- Stock #:
- 18104
- VIN:
- 3GTU2NEJ8JG249315
Price drop
-$2,000
2018 GMC Sierra 1500
SLT Crew Cab 4WD
84,369 mi
Puyallup, WA
Good Deal
$32,081
$30,081
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 119,299
- Stock #:
- 19821
- VIN:
- 3GTU2NECXJG113270
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
119,299 mi
Fort Wayne, IN
Great Deal
$22,816
- 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
Good Deal
$31,199
- 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:
- Quicksilver Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 121,437
- Stock #:
- JF145598
- VIN:
- 3GTU2NEC6JG145598
Price drop
-$750
2018 GMC Sierra 1500
SLT Crew Cab 4WD
121,437 mi
Bentonville, AR
Good Deal
$25,009
$24,259
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 148,679
- Stock #:
- 56432A
- VIN:
- 3GTU2NEJ4JG469034
Price drop
-$850
2018 GMC Sierra 1500
SLT Crew Cab 4WD
148,679 mi
Faribault, MN
Good Deal
$21,347
$20,847
- 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:
- 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
Price drop
-$3,402
2018 GMC Sierra 1500
SLT Crew Cab
86,394 mi
Honolulu, HI
Good Deal
$28,693
$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:
- DARK GREEN
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 123,082
- Stock #:
- 1185
- VIN:
- 3GTU2NEC2JG539017
2018 GMC Sierra 1500
SLT Crew Cab 4WD
123,082 mi
Winterville, NC
Good Deal
$25,494
- 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:
- Quartz
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 112,094
- Stock #:
- 3003757C
- VIN:
- 3GTU2NEC2JG511282
2018 GMC Sierra 1500
SLT Crew Cab 4WD
112,094 mi
Sarasota, FL
Good Deal
$25,676
- 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:
- 89,022
- Stock #:
- 3841B
- VIN:
- 1GTV2NECXJZ289854
New arrival
2018 GMC Sierra 1500
SLT Double Cab 4WD
89,022 mi
Dalton, OH
Fair Deal
$24,939
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
99,472 mi
Jacksonville, FL
Fair Deal
$29,084
- 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:
- COCOA/DUNE, PERFORATED LEATHER-APPOINTED FRONT SEA
- Transmission:
- Automatic
- 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:
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
206,734 mi
Apple Valley, MN
Great Deal
$14,701
- 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:
- 93,411
- Stock #:
- 5G2469T
- VIN:
- 3GTU2NEC0JG338409
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
93,411 mi
Roseville, MN
Good Deal
$27,250
- 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
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,352
- Stock #:
- 591354
- VIN:
- 3GTU2NEC5JG591354
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,352 mi
Dallas, TX
Great Deal
$22,800
- 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:
- Dark Slate Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 175,275
- Stock #:
- JG535209
- VIN:
- 3GTU2NEJ4JG535209
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
175,275 mi
Centennial, CO
Good Deal
$19,219
- 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:
- COCOA/DUNE
- Transmission:
- Automatic
- Mileage:
- 30,495
- Stock #:
- 286921T1
- VIN:
- 3GTU2NEC1JG286921
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
30,495 mi
Fairhaven, MA
Good Deal
$35,258
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $25,992.53. The average price has decreased by -2% since last year. The 7926 for sale on CarGurus range from $3,335 to $136,390 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6366 out of 7926 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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