Used 2018 GMC Sierra 1500 SLT for SaleNationwide
856 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:
- 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:
- 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:
- 105,749
- Stock #:
- G3711AA
- VIN:
- 3GTU2NEC5JG465673
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,749 mi
Mineral Wells, TX
Great Deal
$25,260
- 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:
- 150,907
- Stock #:
- P4676
- VIN:
- 3GTP1NEC6JG394676
Price drop
-$1,000
2018 GMC Sierra 1500
SLT Crew Cab
150,907 mi
Athens, AL
Fair Deal
$21,696
$20,696
- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 94,810
- Stock #:
- 2636A
- VIN:
- 3GTU2NEC9JG359050
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
94,810 mi
Chillicothe, MO
Good Deal
$26,988
- 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:
- 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
$33,140
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 111,067
- Stock #:
- C-205086
- VIN:
- 3GTU2NEJ8JG205086
2018 GMC Sierra 1500
SLT Crew Cab 4WD
111,067 mi
Florence, AL
Great Deal
$25,599
- 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:
- 107,305
- Stock #:
- 4314PA
- VIN:
- 3GTU2NER3JG133798
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,305 mi
Willmar, MN
Great Deal
$24,350
- 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:
- 41,377
- Stock #:
- GSD60464A
- VIN:
- 3GTU2NEC1JG278107
2018 GMC Sierra 1500
SLT Crew Cab 4WD
41,377 mi
Tempe, AZ
Great Deal
$32,517
- 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:
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
154,122 mi
Tulsa, OK
Fair Deal
$22,495
- 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:
- Summit White Gaz
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune H0k
- Transmission:
- Automatic
- Mileage:
- 81,238
- Stock #:
- 218167
- VIN:
- 3GTU2NEC5JG218167
2018 GMC Sierra 1500
SLT Crew Cab 4WD
81,238 mi
Bossier City, LA
Good Deal
$30,405
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 173,148
- Stock #:
- X22965C
- VIN:
- 3GTU2NEC6JG502357
2018 GMC Sierra 1500
SLT Crew Cab 4WD
173,148 mi
Sedalia, MO
Fair Deal
$20,331
- 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/Dark Sand
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 100,648
- Stock #:
- M23338B
- VIN:
- 3GTP1NECXJG483313
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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 107,668
- Stock #:
- S71719
- VIN:
- 3GTP1NEC7JG482104
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
107,668 mi
Englewood, CO
Great Deal
$22,487
- 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:
- 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
$26,940
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 112,387
- Stock #:
- 438273
- VIN:
- 3GTP1NEC8JG438273
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
112,387 mi
Woodstock, GA
Fair Deal
$24,388
- 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
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 67,395
- Stock #:
- P9551
- VIN:
- 3GTU2NEJ5JG513008
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
67,395 mi
Arcadia, FL
Fair Deal
$34,256
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,928
- Stock #:
- 103216
- VIN:
- 3GTU2NEC9JG103216
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,928 mi
Frederick, CO
Good Deal
$27,600
- 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
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 102,346
- Stock #:
- 10506
- VIN:
- 3GTU2NEC5JG268888
2018 GMC Sierra 1500
SLT Crew Cab 4WD
102,346 mi
Meridianville, AL
Great Deal
$26,458
- 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:
- 93,045
- Stock #:
- G26069A
- VIN:
- 3GTU2NEC4JG399553
2018 GMC Sierra 1500
SLT Crew Cab 4WD
93,045 mi
Cincinnati, OH
Fair Deal
$28,898
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 53,688
- Stock #:
- 460412
- VIN:
- 3GTU2NEC7JG460412
2018 GMC Sierra 1500
SLT Crew Cab 4WD
53,688 mi
Montgomery, AL
Fair Deal
$33,500
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 148,679
- Stock #:
- 56432A
- VIN:
- 3GTU2NEJ4JG469034
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
148,679 mi
Faribault, MN
Good Deal
$21,347
- 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:
- 143,028
- Stock #:
- 10488
- VIN:
- 3GTU2NEC3JG469821
2018 GMC Sierra 1500
SLT Crew Cab 4WD
143,028 mi
Meridianville, AL
Good Deal
$23,298
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,192.85. The average price has decreased by -1.3% since last year. The 7572 for sale on CarGurus range from $4,081 to $269,225 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
6093 out of 7572 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.
Relevant articles
CarGurus Editorial Team
Best Truck Lease Deals in September 2026
Leasing a truck can be a great way to get into one of the latest models, with the best technology, at a more affordable monthly price. Here are the best deals we've found this month.
CarGurus Editorial Team
Best Car Deals in September 2026
In the market for a new or used car this year? Whether you’re looking to buy or lease, we’ve collated a list of the best car deals available this month.
CarGurus Editorial Team
Car Deals with 0% APR in September 2026
Our experts have tracked down the latest 0% APR car deals, as well as examined the pros and cons of interest-free car loans versus other financing options.
GMC Sierra 1500 SLT in AlabamaGMC Sierra 1500 SLT in AlaskaGMC Sierra 1500 SLT in ArizonaGMC Sierra 1500 SLT in ArkansasGMC Sierra 1500 SLT in CaliforniaGMC Sierra 1500 SLT in ColoradoGMC Sierra 1500 SLT in ConnecticutGMC Sierra 1500 SLT in DelawareGMC Sierra 1500 SLT in District of ColumbiaGMC Sierra 1500 SLT in FloridaGMC Sierra 1500 SLT in GeorgiaGMC Sierra 1500 SLT in HawaiiGMC Sierra 1500 SLT in IdahoGMC Sierra 1500 SLT in IllinoisGMC Sierra 1500 SLT in IndianaGMC Sierra 1500 SLT in IowaGMC Sierra 1500 SLT in KansasGMC Sierra 1500 SLT in KentuckyGMC Sierra 1500 SLT in LouisianaGMC Sierra 1500 SLT in MaineGMC Sierra 1500 SLT in MarylandGMC Sierra 1500 SLT in MassachusettsGMC Sierra 1500 SLT in MichiganGMC Sierra 1500 SLT in MinnesotaGMC Sierra 1500 SLT in MississippiGMC Sierra 1500 SLT in MissouriGMC Sierra 1500 SLT in MontanaGMC Sierra 1500 SLT in NebraskaGMC Sierra 1500 SLT in NevadaGMC Sierra 1500 SLT in New HampshireGMC Sierra 1500 SLT in New JerseyGMC Sierra 1500 SLT in New MexicoGMC Sierra 1500 SLT in New YorkGMC Sierra 1500 SLT in North CarolinaGMC Sierra 1500 SLT in North DakotaGMC Sierra 1500 SLT in OhioGMC Sierra 1500 SLT in OklahomaGMC Sierra 1500 SLT in OregonGMC Sierra 1500 SLT in PennsylvaniaGMC Sierra 1500 SLT in Puerto RicoGMC Sierra 1500 SLT in Rhode IslandGMC Sierra 1500 SLT in South CarolinaGMC Sierra 1500 SLT in South DakotaGMC Sierra 1500 SLT in TennesseeGMC Sierra 1500 SLT in TexasGMC Sierra 1500 SLT in UtahGMC Sierra 1500 SLT in VermontGMC Sierra 1500 SLT in VirginiaGMC Sierra 1500 SLT in WashingtonGMC Sierra 1500 SLT in West VirginiaGMC Sierra 1500 SLT in WisconsinGMC Sierra 1500 SLT in Wyoming
All Used CarsManual Transmission CarsLuxury CarsCars with Red InteriorCheap Manual CarsHybrid CarsSports CarsElectric SUVsCheap TrucksSmall CarsThird Row SUVsThree Quarter Ton TrucksLifted TrucksManual Transmission TrucksDiesel TrucksHybrid SUVsDually TrucksOne Ton TrucksCheap SUVsLifted Ford Trucks4x4 TrucksWork TrucksAWD SUVsFord TrucksChevrolet TrucksToyota TrucksTrucks Under $10,000Cars Under $15,000Sports Cars Under $20,000Trucks Under $20,000Used Sedans for Sale with Low MileageUsed SUVs / Crossovers for Sale with Low MileageUsed Hatchbacks for Sale with Low MileageUsed Convertibles for Sale with Low MileageUsed Vans for Sale with Low MileageUsed Minivans for Sale with Low MileageUsed Pickup Trucks for Sale with Low MileageUsed Coupes for Sale with Low MileageUsed Wagons for Sale with Low Mileage
