Used 2018 GMC Sierra 1500 SLT for SaleNationwide
878 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:
- White Frost Tricoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 87,691
- Stock #:
- 26631A
- VIN:
- 3GTU2NEC8JG188596
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
87,691 mi
Peru, IL
Good Deal
$29,465
- 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:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 58,095
- Stock #:
- CL7742A
- VIN:
- 3GTP1NEC8JG281909
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
58,095 mi
Clearwater, FL
Fair Deal
$31,044
- 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:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic
- Mileage:
- 125,476
- Stock #:
- C26203A
- VIN:
- 3GTU2NEC4JG180320
Price drop
-$995
2018 GMC Sierra 1500
SLT Crew Cab 4WD
125,476 mi
Gillette, WY
Great Deal
$23,294
$22,299
- 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:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 107,713
- Stock #:
- 02827A
- VIN:
- 3GTU2NEJ3JG458462
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,713 mi
Petoskey, MI
Fair Deal
$27,814
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 69,644
- Stock #:
- BLDC3182A
- VIN:
- 3GTU2NEJ1JG231609
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
69,644 mi
Alliance, OH
Good Deal
$30,948
- 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:
- 75,125
- Stock #:
- 25136A
- VIN:
- 3GTU2NECXJG346680
2018 GMC Sierra 1500
SLT Crew Cab 4WD
75,125 mi
Foley, MN
Good Deal
$30,345
- 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:
- White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 176,507
- Stock #:
- 257874
- VIN:
- 3GTU2NEC5JG257874
Price drop
-$400
2018 GMC Sierra 1500
SLT Crew Cab 4WD
176,507 mi
Wichita, KS
Great Deal
$18,495
$18,095
- 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:
- 124,712
- Stock #:
- 22LC0011P
- VIN:
- 3GTU2NECXJG403377
2018 GMC Sierra 1500
SLT Crew Cab 4WD
124,712 mi
White Bear Lake, MN
Fair Deal
$24,649
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 34,078
- Stock #:
- 2402304
- VIN:
- 3GTU2NEC0JG402304
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
34,078 mi
Reno, NV
Good Deal
$37,244
- 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:
- 24,941
- Stock #:
- 20114064P
- VIN:
- 1GTV2NEC6JZ114064
New arrival
2018 GMC Sierra 1500
SLT Double Cab 4WD
24,941 mi
Midland, MI
Good Deal
$33,263
- 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:
- 137,435
- Stock #:
- TIG9876G
- VIN:
- 3GTU2NEC9JG599876
2018 GMC Sierra 1500
SLT Crew Cab 4WD
137,435 mi
Roanoke Rapids, NC
Fair Deal
$26,676
- 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:
- 81,809
- Stock #:
- J0526107A
- VIN:
- 3GTU2NEC0JG339446
2018 GMC Sierra 1500
SLT Crew Cab 4WD
81,809 mi
Gladstone, OR
Good Deal
$28,998
- 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:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 88,671
- Stock #:
- W1072
- VIN:
- 3GTU2NEC9JG245923
2018 GMC Sierra 1500
SLT Crew Cab 4WD
88,671 mi
Warroad, MN
Fair Deal
$28,840
- 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:
- 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
Fair Deal
$30,262
- 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/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 118,017
- Stock #:
- MP2142A
- VIN:
- 3GTU2NEC1JG357468
2018 GMC Sierra 1500
SLT Crew Cab 4WD
118,017 mi
Morris, IL
Good Deal
$26,376
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 72,662
- Stock #:
- A3016M
- VIN:
- 3GTU2NEC5JG426372
2018 GMC Sierra 1500
SLT Crew Cab 4WD
72,662 mi
Wausau, WI
Good Deal
$30,360
- 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:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic
- Mileage:
- 110,542
- Stock #:
- C26275A
- VIN:
- 3GTU2NEJ2JG178709
2018 GMC Sierra 1500
SLT Crew Cab 4WD
110,542 mi
Gillette, WY
Good Deal
$28,294
- 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
FAQs
How much does the GMC Sierra 1500 SLT cost?
The average GMC Sierra 1500 SLT costs about $26,449.70. The average price has decreased by -0.2% since last year. The 7318 for sale on CarGurus range from $4,607 to $73,215 in price.
How many GMC Sierra 1500 SLT vehicles have no reported accidents or damage?
5920 out of 7318 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
Cherise Threewitt
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.
CarGurus Editorial Team
Car Deals with 0% APR in July 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
