Used 2018 GMC Sierra 1500 SLT for SaleNationwide
970 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:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 130,904
- Stock #:
- 26A1804A
- VIN:
- 3GTU2NEJXJG207857
2018 GMC Sierra 1500
SLT Crew Cab 4WD
130,904 mi
Ann Arbor, MI
Fair Deal
$22,809
- 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:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 102,865
- Stock #:
- 09971A
- VIN:
- 3GTU2NEC1JG538313
Price drop
-$2,483
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,865 mi
Hurricane, WV
Great Deal
$25,046
$22,563
- 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:
- 96,825
- Stock #:
- 6GM1334T
- VIN:
- 3GTU2NEC5JG500647
Price drop
-$966
2018 GMC Sierra 1500
SLT Crew Cab 4WD
96,825 mi
Westbrook, ME
Good Deal
$26,538
$25,572
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic
- Mileage:
- 166,494
- Stock #:
- UP2107
- VIN:
- 3GTU2NEC5JG105058
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
166,494 mi
Vernon, CT
Great Deal
$16,890
- 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:
- Black (Ebony)
- Transmission:
- Automatic
- Mileage:
- 93,093
- Stock #:
- GM311681
- VIN:
- 3GTU2NEC2JG311681
2018 GMC Sierra 1500
SLT Crew Cab 4WD
93,093 mi
Sparta, IL
Good Deal
$26,973
- 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:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 171,947
- Stock #:
- 9711B
- VIN:
- 3GTU2NEJ6JG594729
2018 GMC Sierra 1500
SLT Crew Cab 4WD
171,947 mi
Litchfield, MN
Fair Deal
$19,140
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 107,500
- Stock #:
- 26N218A
- VIN:
- 3GTU2NEC5JG177619
Price drop
-$1,000
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,500 mi
Vancouver, WA
Fair Deal
$27,398
$26,398
- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 91,398
- Stock #:
- P5802
- VIN:
- 3GTU2NEC1JG255569
2018 GMC Sierra 1500
SLT Crew Cab 4WD
91,398 mi
Sumter, SC
Fair Deal
$29,811
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,441
- Stock #:
- 482990Z
- VIN:
- 3GTP1NEC3JG482990
2018 GMC Sierra 1500
SLT Crew Cab
57,441 mi
Jacksonville, FL
Fair Deal
$29,215
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 124,363
- Stock #:
- LG16442T
- VIN:
- 3GTU2NEC8JG616442
Price drop
-$592
2018 GMC Sierra 1500
SLT Crew Cab 4WD
124,363 mi
Lucedale, MS
Good Deal
$25,905
$25,313
- 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, Leather-Appointed Front Seat Trim
- Transmission:
- Automatic
- Mileage:
- 77,562
- Stock #:
- E0326A
- VIN:
- 3GTU2NEC6JG565135
2018 GMC Sierra 1500
SLT Crew Cab 4WD
77,562 mi
Rogers, MN
Good Deal
$27,990
- 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
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 72,445
- Stock #:
- T18018B
- VIN:
- 3GTU2NEC5JG242128
Price drop
-$2,074
2018 GMC Sierra 1500
SLT Crew Cab 4WD
72,445 mi
Bunker Hill, IN
Good Deal
$31,027
$28,953
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 102,765
- Stock #:
- PPER901
- VIN:
- 3GTU2NEJ1JG380814
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,765 mi
Pryor, OK
Good Deal
$27,619
- 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:
- Automatic
- Mileage:
- 129,089
- Stock #:
- 257755
- VIN:
- 1GTV2NEC2JZ257755
2018 GMC Sierra 1500
SLT Double Cab 4WD
129,089 mi
Louisville, KY
Good Deal
$20,394
- 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:
- Red
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 97,068
- Stock #:
- 47638A
- VIN:
- 3GTU2NER1JG252773
Price drop
-$718
2018 GMC Sierra 1500
SLT Crew Cab 4WD
97,068 mi
Medford, OR
Good Deal
$28,512
$27,794
- 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:
- 90,858
- Stock #:
- PF5587
- VIN:
- 3GTU2NEC3JG377754
Price drop
-$795
2018 GMC Sierra 1500
SLT Crew Cab 4WD
90,858 mi
Fowlerville, MI
Good Deal
$27,064
$26,269
- 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, PERFORATED LEATHER-APPOINTED FRONT SEAT
- Transmission:
- Automatic
- Mileage:
- 41,473
- Stock #:
- 26696A
- VIN:
- 3GTU2NEC1JG348401
2018 GMC Sierra 1500
SLT Crew Cab 4WD
41,473 mi
West Plains, MO
Good Deal
$33,000
- 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:
- 150,555
- Stock #:
- 26469A
- VIN:
- 3GTU2NEC0JG356215
2018 GMC Sierra 1500
SLT Crew Cab 4WD
150,555 mi
Mishawaka, IN
Good Deal
$21,256
- 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:
- 120,013
- Stock #:
- 10096A
- VIN:
- 3GTU2NEC7JG569825
Price drop
-$909
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,013 mi
Hurricane, WV
Good Deal
$24,472
$23,563
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 102,435
- Stock #:
- T306414
- VIN:
- 3GTU2NEC9JG306414
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,435 mi
Madison, AL
Fair Deal
$28,696
- 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:
- 6-Speed Automatic
- Mileage:
- 89,462
- Stock #:
- LG04636T
- VIN:
- 3GTU2NEC5JG604636
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,462 mi
Lucedale, MS
Fair Deal
$29,313
- 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:
- 97,425
- Stock #:
- 261109DY
- VIN:
- 3GTU2NEC7JG426065
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
97,425 mi
Gresham, OR
Fair Deal
$28,593
- 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:
- 98,350
- Stock #:
- T130438
- VIN:
- 3GTU2NEC6JG444282
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
98,350 mi
Zumbrota, MN
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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 134,301
- Stock #:
- 3P2181B
- VIN:
- 3GTP1NEC9JG598615
2018 GMC Sierra 1500
SLT Crew Cab
134,301 mi
Abilene, TX
Great Deal
$18,113
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $25,526.94. The average price has decreased by -4% since last year. The 8196 for sale on CarGurus range from $2,236 to $136,390 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6379 out of 8196 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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