Used 2018 GMC Sierra 1500 SLT for SaleNationwide
896 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
- Fuel type:
- Gasoline
- Interior color:
- COCOA/DUNE, PERFORATED LEATHER-APPOINTED FRONT SEA
- Transmission:
- Automatic
- Mileage:
- 78,344
- Stock #:
- T6042A
- VIN:
- 3GTU2NEC6JG459431
2018 GMC Sierra 1500
SLT Crew Cab 4WD
78,344 mi
Nashville, AR
Great Deal
$27,755
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 85,270
- Stock #:
- 121827
- VIN:
- 3GTU2NEC7JG121827
2018 GMC Sierra 1500
SLT Crew Cab 4WD
85,270 mi
San Antonio, TX
Good Deal
$28,947
- 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:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 107,147
- Stock #:
- J6131D
- VIN:
- 3GTU2NECXJG325358
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,147 mi
Menomonie, WI
Fair Deal
$27,712
- 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:
- Automatic
- Mileage:
- 113,328
- Stock #:
- 0381
- VIN:
- 3GTU2NECXJG266599
2018 GMC Sierra 1500
SLT Crew Cab 4WD
113,328 mi
Wiggins, MS
Good Deal
$27,349
- 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 Frost Tricoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 122,597
- Stock #:
- JG198417
- VIN:
- 3GTP1NECXJG198417
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
122,597 mi
Pleasanton, TX
Great Deal
$20,115
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 132,471
- Stock #:
- T52826B
- VIN:
- 3GTU2NEC2JG207790
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
132,471 mi
Sulphur, LA
Fair Deal
$26,415
- 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:
- 138,959
- Stock #:
- JG578627
- VIN:
- 3GTU2NEC4JG578627
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
138,959 mi
Bluffton, SC
Fair Deal
$27,259
- 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:
- Cardinal Red
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 45,087
- Stock #:
- C16902A
- VIN:
- 3GTU2NEC1JG222295
Price drop
-$1,039
2018 GMC Sierra 1500
SLT Crew Cab 4WD
45,087 mi
Eugene, OR
Fair Deal
$37,072
$36,033
- 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:
- 107,825
- Stock #:
- CGBTJG633322
- VIN:
- 3GTU2NEC6JG633322
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,825 mi
Jacksonville, FL
Fair Deal
$29,664
- 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:
- 77,336
- Stock #:
- JG622827
- VIN:
- 3GTP1NEC3JG622827
2018 GMC Sierra 1500
SLT Crew Cab
77,336 mi
Clearwater, FL
Good Deal
$27,998
- 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:
- Red Quartz Tintcoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 76,691
- Stock #:
- JG251176
- VIN:
- 3GTU2NEJ8JG251176
2018 GMC Sierra 1500
SLT Crew Cab 4WD
76,691 mi
Portland, OR
Fair Deal
$32,740
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 76,341
- Stock #:
- TG360247A
- VIN:
- 3GTU2NEC4JG534806
2018 GMC Sierra 1500
SLT Crew Cab 4WD
76,341 mi
Springfield, MO
Good Deal
$30,187
- 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
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 88,667
- Stock #:
- W1072
- VIN:
- 3GTU2NEC9JG245923
2018 GMC Sierra 1500
SLT Crew Cab 4WD
88,667 mi
Warroad, MN
Fair Deal
$28,840
- 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 Frost
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 73,754
- Stock #:
- G403983A
- VIN:
- 3GTP1NEC9JG431980
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
73,754 mi
Port Richey, FL
Good Deal
$28,267
- 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:
- Dark Ash/Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 125,494
- Stock #:
- NC2640004A
- VIN:
- 3GTU2NEC8JG444879
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
125,494 mi
New Prague, MN
Good Deal
$24,180
- 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:
- 61,374
- Stock #:
- 26C138A
- VIN:
- 3GTU2NEC2JG136655
Price drop
-$1,900
2018 GMC Sierra 1500
SLT Crew Cab 4WD
61,374 mi
Albany, NY
Good Deal
$35,036
$33,136
- 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:
- 61,164
- Stock #:
- 3354547
- VIN:
- 3GTU2NEC4JG354547
2018 GMC Sierra 1500
SLT Crew Cab 4WD
61,164 mi
Wichita, KS
Good Deal
$33,369
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 109,581
- Stock #:
- 2209
- VIN:
- 3GTU2NEC7JG227470
2018 GMC Sierra 1500
SLT Crew Cab 4WD
109,581 mi
Whitehall, MI
Fair Deal
$27,780
- 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:
- 110,255
- Stock #:
- 261240AAA
- VIN:
- 3GTU2NEC5JG548102
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
110,255 mi
Chippewa Falls, WI
Good Deal
$26,368
- 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 Leather Appointed Front Seat Trim
- Transmission:
- Automatic
- Mileage:
- 107,787
- Stock #:
- 326970AA
- VIN:
- 3GTU2NEC2JG567352
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,787 mi
Rockwall, TX
Great Deal
$23,999
- 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:
- Quartz
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 68,382
- Stock #:
- T4899A
- VIN:
- 3GTU2NEC9JG452246
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
68,382 mi
Tampa, FL
Good Deal
$30,446
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 79,783
- Stock #:
- 1896111A
- VIN:
- 3GTU2NEC4JG596111
2018 GMC Sierra 1500
SLT Crew Cab 4WD
79,783 mi
East Peoria, IL
Good Deal
$30,384
- 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:
- 48,106
- Stock #:
- P7529A
- VIN:
- 3GTU2NEJ2JG403341
Price drop
-$2,121
2018 GMC Sierra 1500
SLT Crew Cab 4WD
48,106 mi
Modesto, CA
Great Deal
$35,950
$33,950
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,753
- Stock #:
- 1931
- VIN:
- 3GTU2NECXJG308768
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,753 mi
Raymond, ME
Fair Deal
$29,394
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,492.03. The average price has decreased by -0.1% since last year. The 7391 for sale on CarGurus range from $4,607 to $73,715 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
5962 out of 7391 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 (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
Relevant articles
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2027 GMC Sierra 1500 Pricing, Specs, and Release Date
GMC has redesigned the Sierra 1500 full-size pickup truck for 2027, with new styling, powertrains, and safety and convenience features.
Craig Fitzgerald
The Best Trucks Under $25,000 in 2026
New trucks cost more than ever, but the prices of used ones finally seem to be cooling. You still can't find the latest and fanciest full-sizes for budget prices, but fortunately, there are plenty of good trucks under $25,000 these days. Here, we've assembled a list of the best.
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