Used 2018 GMC Sierra 1500 SLT for SaleNationwide
902 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
- 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
$26,990
- 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:
- 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:
- 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
- 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:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 24,616
- Stock #:
- JG427261
- VIN:
- 3GTU2NEC1JG427261
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
24,616 mi
Granbury, TX
Good Deal
$35,220
- 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:
- 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:
- Red Quartz Tintcoat
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 76,227
- Stock #:
- P3814
- VIN:
- 3GTU2NEC0JG451924
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
76,227 mi
Sulphur Springs, TX
Fair Deal
$31,215
- 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:
- 97,104
- Stock #:
- G02673A
- VIN:
- 3GTP1NEC7JG180974
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
97,104 mi
San Antonio, TX
Fair Deal
$26,724
- 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:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 120,183
- Stock #:
- 4750
- VIN:
- 3GTU1NER7JG430723
2018 GMC Sierra 1500
SLT Crew Cab
120,183 mi
Turlock, CA
Good Deal
$22,824
- 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:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 118,692
- Stock #:
- C26373B
- VIN:
- 3GTP1NEJ7JG318284
2018 GMC Sierra 1500
SLT Crew Cab
118,692 mi
Leesville, LA
Good Deal
$24,232
- 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 Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 125,145
- Stock #:
- 284851
- VIN:
- 3GTU2NEJ9JG284851
Price drop
-$1,568
2018 GMC Sierra 1500
SLT Crew Cab 4WD
125,145 mi
Yakima, WA
Great Deal
$24,977
$23,409
- 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:
- Leather
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 72,920
- Stock #:
- HT318672
- VIN:
- 3GTU2NEC3JG318672
2018 GMC Sierra 1500
SLT Crew Cab 4WD
72,920 mi
Graniteville, SC
Fair Deal
$33,366
- 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 85,583
- Stock #:
- T77790
- VIN:
- 3GTU2NEC8JG428150
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
85,583 mi
Sacramento, CA
Good Deal
$28,871
- 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 #:
- JG207133
- VIN:
- 3GTU2NECXJG207133
2018 GMC Sierra 1500
SLT Crew Cab 4WD
86,062 mi
Starke, FL
Fair Deal
$31,977
- 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:
- 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
- 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:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 94,990
- Stock #:
- T23108
- VIN:
- 3GTP1NEC8JG195371
2018 GMC Sierra 1500
SLT Crew Cab
94,990 mi
Poway, CA
Fair Deal
$26,484
- 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:
- 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:
- 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:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash/Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 164,380
- Stock #:
- E48723
- VIN:
- 3GTU2NEJ2JG602082
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
164,380 mi
El Reno, OK
Good Deal
$21,316
- 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
-$775
2018 GMC Sierra 1500
SLT Crew Cab 4WD
121,437 mi
Bentonville, AR
Good Deal
$26,119
$25,344
- 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
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,300.40. The average price has decreased by -0.7% since last year. The 7698 for sale on CarGurus range from $4,414 to $269,225 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6215 out of 7698 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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