Used 2018 GMC Sierra 1500 SLT for SaleNationwide
892 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:
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 138,819
- Stock #:
- 560425B
- VIN:
- 3GTU2NEC7JG412019
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
138,819 mi
Baird, TX
Good Deal
$24,231
- 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/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 111,714
- Stock #:
- T86942
- VIN:
- 3GTP1NEC8JG586942
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
111,714 mi
Mayfield, KY
Fair Deal
$25,375
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 132,854
- Stock #:
- H262367A
- VIN:
- 3GTU2NEJ5JG631253
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
132,854 mi
Avondale, AZ
Fair Deal
$24,983
- 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:
- Summit White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 100,648
- Stock #:
- M23338B
- VIN:
- 3GTP1NECXJG483313
New arrival
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:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 70,152
- Stock #:
- SLB42344B
- VIN:
- 3GTP1NEC1JG334515
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
70,152 mi
Harvey, LA
Great Deal
$26,325
- 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
$33,736
- 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:
- 47,021
- Stock #:
- PM22821
- VIN:
- 3GTU2NEC4JG534000
Price drop
-$2,249
2018 GMC Sierra 1500
SLT Crew Cab 4WD
47,021 mi
Sandy, OR
Good Deal
$34,972
$32,973
- 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/Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 81,482
- Stock #:
- WU832
- VIN:
- 3GTU2NEC3JG615103
2018 GMC Sierra 1500
SLT Crew Cab 4WD
81,482 mi
Wytheville, VA
Good Deal
$30,996
- 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:
- 105,824
- Stock #:
- 26T544A
- VIN:
- 3GTU2NECXJG551870
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,824 mi
Dubuque, IA
Fair Deal
$28,033
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 129,181
- Stock #:
- M2528
- VIN:
- 1GTV2NEJ8JZ350696
2018 GMC Sierra 1500
SLT Double Cab 4WD
129,181 mi
Rochester, NH
Great Deal
$21,024
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/dune Leather Appointed Front Seat Trim
- Transmission:
- Automatic
- Mileage:
- 62,686
- Stock #:
- 261090A
- VIN:
- 3GTU2NEJ0JG550418
2018 GMC Sierra 1500
SLT Crew Cab 4WD
62,686 mi
Rockwall, TX
Good Deal
$32,638
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 192,069
- Stock #:
- 190044B
- VIN:
- 3GTU2NEC1JG190044
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
192,069 mi
Alexandria, MN
Good Deal
$16,345
- 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 Or Aluminum
- Fuel type:
- Gasoline
- Mileage:
- 97,070
- Stock #:
- 14465
- VIN:
- 3GTU2NEC1JG116185
2018 GMC Sierra 1500
SLT Crew Cab 4WD
97,070 mi
Thomson, GA
Great Deal
$26,950
- 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:
- 100,335
- Stock #:
- 26-34P
- VIN:
- 3GTU2NEC8JG590814
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,335 mi
Hamilton, MT
Fair Deal
$29,750
- 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:
- Dark Slate Metallic
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 171,268
- Stock #:
- FT26297B
- VIN:
- 3GTU2NEC7JG507521
Price drop
-$1,083
2018 GMC Sierra 1500
SLT Crew Cab 4WD
171,268 mi
Lenoir City, TN
Good Deal
$20,794
$19,711
- 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/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 64,345
- Stock #:
- P1B0521A
- VIN:
- 3GTU2NEC6JG235009
2018 GMC Sierra 1500
SLT Crew Cab 4WD
64,345 mi
Baltimore, MD
Good Deal
$31,495
- 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/Spice Red All-Terrain
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 88,959
- Stock #:
- 227021B
- VIN:
- 1GTV2NEC2JZ375451
2018 GMC Sierra 1500
SLT Double Cab 4WD
88,959 mi
Parkersburg, WV
Fair Deal
$27,141
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 106,892
- Stock #:
- 54322
- VIN:
- 1GTV2NEC8JZ131478
2018 GMC Sierra 1500
SLT Double Cab 4WD
106,892 mi
Airway Heights, WA
Good Deal
$23,195
- 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:
- 6-Speed Automatic
- Mileage:
- 126,001
- Stock #:
- 87969
- VIN:
- 3GTU2NEC0JG587969
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
126,001 mi
Brentwood, TN
Fair Deal
$26,899
- 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
$34,403
- 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:
- Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 115,110
- Stock #:
- JG284179R
- VIN:
- 3GTU1NER2JG284179
Price drop
-$3,594
2018 GMC Sierra 1500
SLT Crew Cab
115,110 mi
Davie, FL
Great Deal
$25,884
$22,290
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,288.80. The average price has decreased by -0.8% since last year. The 7662 for sale on CarGurus range from $4,414 to $73,314 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6182 out of 7662 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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