Used 2018 GMC Sierra 1500 SLT for SaleNationwide
981 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:
- DARK SLATE METALLIC
- Fuel type:
- Gasoline
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 114,664
- Stock #:
- T264558A
- VIN:
- 3GTU2NEC8JG487702
2018 GMC Sierra 1500
SLT Crew Cab 4WD
114,664 mi
Kaukauna, WI
Good Deal
$25,735
- 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:
- Gray
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 96,824
- Stock #:
- 6GM1334T
- VIN:
- 3GTU2NEC5JG500647
2018 GMC Sierra 1500
SLT Crew Cab 4WD
96,824 mi
Westbrook, ME
Fair Deal
$28,584
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 146,675
- Stock #:
- 47071
- VIN:
- 3GTP1NEC4JG547071
2018 GMC Sierra 1500
SLT Crew Cab
146,675 mi
Newport News, VA
Good Deal
$18,976
- 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
-$1,001
2018 GMC Sierra 1500
SLT Crew Cab 4WD
154,122 mi
Tulsa, OK
Good Deal
$21,594
$20,593
- 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:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 70,816
- Stock #:
- 3T191A
- VIN:
- 3GTU2NEC9JG360019
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
70,816 mi
Fergus Falls, MN
Good Deal
$30,589
- 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:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 142,538
- Stock #:
- D26287B
- VIN:
- 1GTV2NEC0JZ189925
2018 GMC Sierra 1500
SLT Double Cab 4WD
142,538 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:
- 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:
- Stone Blue Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 158,253
- Stock #:
- 18720
- VIN:
- 3GTU2NEC0JG279720
2018 GMC Sierra 1500
SLT Crew Cab 4WD
158,253 mi
Fertile, MN
Good Deal
$19,090
- 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
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:
- Quicksilver Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 120,157
- Stock #:
- GJG574432
- VIN:
- 3GTU2NEC2JG574432
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,157 mi
Wichita Falls, TX
Good Deal
$23,988
- 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:
- 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:
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 71,012
- Stock #:
- T26-260A
- VIN:
- 3GTU2NEC0JG545303
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
71,012 mi
Neillsville, WI
Fair Deal
$31,172
- 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:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 123,592
- Stock #:
- 546005
- VIN:
- 3GTU2NEC8JG546005
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
123,592 mi
Georgetown, SC
Good Deal
$25,224
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 95,678
- Stock #:
- XG193502
- VIN:
- 3GTP1NEC9JG193502
2018 GMC Sierra 1500
SLT Crew Cab
95,678 mi
Fort Worth, TX
Good Deal
$24,013
- 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:
- Brown (TAN)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 102,123
- Stock #:
- M9415
- VIN:
- 3GTU2NEC5JG128548
Price drop
-$1,397
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,123 mi
Murray, UT
Good Deal
$27,283
$25,886
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
121,437 mi
Bentonville, AR
Good Deal
$24,259
- 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:
- Brown
- Transmission:
- Automatic
- Mileage:
- 162,922
- Stock #:
- N29804B
- VIN:
- 3GTU2NEC9JG540438
2018 GMC Sierra 1500
SLT Crew Cab 4WD
162,922 mi
Fort Smith, AR
Fair Deal
$21,644
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
194,649 mi
Chillicothe, MO
Great Deal
$16,605
- 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
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,033.10. The average price has decreased by -1.9% since last year. The 8090 for sale on CarGurus range from $3,192 to $136,390 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6468 out of 8090 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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