Used GMC Sierra 1500 SLT for Sale nearLittleton, CO
426 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:
- Dark Slate Metallic
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash/Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 68,745
- Stock #:
- 541416T
- VIN:
- 3GTU2NEC4JG541416
Sponsored by ClearShift
2018 GMC Sierra 1500
SLT Crew Cab 4WD
68,745 mi
Highlands Ranch, CO
4 mi away
Fair Deal
$33,140
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 55,888
- Stock #:
- MG201745
- VIN:
- 3GTU9DET8MG201745
Sponsored Listing
2021 GMC Sierra 1500
SLT Crew Cab 4WD
55,888 mi
Golden, CO
13 mi away
Fair Deal
$37,999
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,137
- Stock #:
- 260801
- VIN:
- 1GTUUDED2SZ154782
Sponsored Listing
2025 GMC Sierra 1500
SLT Crew Cab 4WD
58,137 mi
Colorado Springs, CO
48 mi away
Fair Deal
$39,380
- Year:
- 2021
- 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 (Dark Sky Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 24,197
- Stock #:
- NTMZ263263
- VIN:
- 1GTU9DED2MZ263263
New arrival
2021 GMC Sierra 1500
SLT Crew Cab 4WD
24,197 mi
Longmont, CO
39 mi away
Fair Deal
$42,188
- Year:
- 2024
- 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:
- Automatic
- Mileage:
- 14,582
- Stock #:
- 360804
- VIN:
- 1GTUUDEL6RZ360804
2024 GMC Sierra 1500
SLT Crew Cab 4WD
14,582 mi
Frederick, CO
36 mi away
Fair Deal
$51,258
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 53,084
- Stock #:
- BC22831
- VIN:
- 1GTUUDED2RZ211315
Price drop
-$1,000
2024 GMC Sierra 1500
SLT Crew Cab 4WD
53,084 mi
Frederick, CO
36 mi away
Great Deal
$40,594
$39,594
- 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
36 mi away
Good Deal
$26,853
- 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
4 mi away
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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 120,746
- Stock #:
- 468610
- VIN:
- 3GTU2NEJ9JG468610
Price drop
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,746 mi
Frederick, CO
36 mi away
Good Deal
$25,203
$24,233
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- White
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Brown (Tan)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 92,542
- Stock #:
- SAM 241799
- VIN:
- 3GTU2VEC6EG241799
2014 GMC Sierra 1500
SLT Crew Cab 4WD
92,542 mi
Littleton, CO
2 mi away
Fair Deal
$23,984
- Year:
- 2013
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 315 hp 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Stealth Gray Metallic
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Dark Titanium/Light Titanium
- Transmission:
- 6-Speed Automatic
- Mileage:
- 121,377
- Stock #:
- DG317812
- VIN:
- 3GTP2WE77DG317812
Price drop
-$1,010
2013 GMC Sierra 1500
SLT Crew Cab 4WD
121,377 mi
Lone Tree, CO
7 mi away
Fair Deal
$17,999
$16,989
- 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:
- Dark Slate Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 175,275
- Stock #:
- JG535209
- VIN:
- 3GTU2NEJ4JG535209
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
175,275 mi
Centennial, CO
8 mi away
Good Deal
$19,219
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 133,248
- Stock #:
- J147
- VIN:
- 3GTU2VEC6EG104488
New arrival
2014 GMC Sierra 1500
SLT Crew Cab 4WD
133,248 mi
Denver, CO
8 mi away
Fair Deal
$19,995
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 21,739
- Stock #:
- P18107
- VIN:
- 3GTUUDED1RG305461
New arrival
2024 GMC Sierra 1500
SLT Crew Cab 4WD
21,739 mi
Aurora, CO
10 mi away
Great Deal
$43,840
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray (Dark Sky Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 13,668
- Stock #:
- DL9050D
- VIN:
- 1GTU9DELXMZ380838
2021 GMC Sierra 1500
SLT Crew Cab 4WD
13,668 mi
Denver, CO
7 mi away
Fair Deal
$43,500
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Silver
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 37,797
- Stock #:
- RSZ180428
- VIN:
- 1GTUUDED4SZ180428
2025 GMC Sierra 1500
SLT Crew Cab 4WD
37,797 mi
Denver, CO
20 mi away
Good Deal
$40,897
- 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:
- 105,150
- Stock #:
- JG500337
- VIN:
- 3GTU2NEC1JG500337
2018 GMC Sierra 1500
SLT Crew Cab 4WD
105,150 mi
Golden, CO
13 mi away
Great Deal
$23,999
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Deep Mahogany Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 66,489
- Stock #:
- 78161
- VIN:
- 3GTU9DED9LG246314
2020 GMC Sierra 1500
SLT Crew Cab 4WD
66,489 mi
Home delivery from Port Angeles, WA
Price includes $1,617 shipping
Fair Deal
$36,705
- Year:
- 2016
- 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:
- 6-Speed Automatic
- Mileage:
- 125,204
- Stock #:
- KBB8926
- VIN:
- 3GTU2NEC2GG253323
2016 GMC Sierra 1500
SLT Crew Cab 4WD
125,204 mi
Englewood, CO
4 mi away
Fair Deal
$23,602
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Black
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Brown (Tan)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 157,898
- Stock #:
- Q449
- VIN:
- 3GTU2VEC9EG247435
New arrival
2014 GMC Sierra 1500
SLT Crew Cab 4WD
157,898 mi
Longmont, CO
40 mi away
Fair Deal
$19,595
- 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:
- 97,899
- Stock #:
- 540483
- VIN:
- 3GTU2NEC3JG540483
Price drop
-$1,920
2018 GMC Sierra 1500
SLT Crew Cab 4WD
97,899 mi
Frederick, CO
36 mi away
Good Deal
$29,500
$27,580
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 43,004
- Stock #:
- EP8679
- VIN:
- 1GTUUDED5SZ229197
New arrival
2025 GMC Sierra 1500
SLT Crew Cab 4WD
43,004 mi
Thornton, CO
20 mi away
Good Deal
$40,987
- 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:
- Gray
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic
- Mileage:
- 100,138
- Stock #:
- 26218
- VIN:
- 3GTU2NEJ6JG349669
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,138 mi
Franktown, CO
20 mi away
Good Deal
$26,740
- 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
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab
107,668 mi
Englewood, CO
5 mi away
Great Deal
$22,487
FAQs
How much does the GMC Sierra 1500 SLT cost in Littleton, CO?
The average GMC Sierra 1500 SLT costs about $11,448.68. The average price has decreased by -5.2% since last year. The 426 for sale near Littleton, CO on CarGurus, range from $5,870 to $71,194 in price.
How many GMC Sierra 1500 SLT vehicles in Littleton, CO have no reported accidents or damage?
346 out of 426 for sale near Littleton, CO 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 Cars for New Parents
Discover the best family cars for first-time parents in 2025, accounting for door access, car seat compatibility, and other real-world considerations new parents will want to keep in mind.
Drew Johnson
The Cheapest New Trucks on Sale in 2026
Is there such a thing as a cheap new truck any more? Absolutely! Here's our expert guide to the top 10 cheapest new trucks on sale.
CarGurus Editorial Team
The Best Gas Mileage Trucks of 2026
No one wants to cover unnecessary fuel expenses, particularly when operating a business. Here are the top 9 pickup trucks in the US market with the best fuel efficiency.
GMC Sierra 1500 SLT in Littleton COGMC Sierra 1500 Denali in Littleton COGMC Sierra 1500 AT4 in Littleton COGMC Sierra 1500 Elevation in Littleton COGMC Sierra 1500 SLE in Littleton COGMC Sierra 1500 Base in Littleton COGMC Sierra 1500 Work Truck in Littleton COGMC Sierra 1500 SL in Littleton COGMC Sierra 1500 SLE1 in Littleton COGMC Sierra 1500 SLE2 in Littleton CO
GMC Sierra 1500 in Littleton COOBS 1990s-era Chevy and Ford Trucks for Sale in Littleton COUsed GMC Electric Cars for SaleLifted GMC trucks for sale in Littleton COWork Trucks for Sale in Littleton COAmerican Made Trucks For Sale in Littleton COGM Certified Preowned Vehicles for Sale Near Littleton COBest Pickup Trucks For Sale in Littleton CO
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 Mileage in LittletonUsed SUVs / Crossovers for Sale with Low Mileage in LittletonUsed Hatchbacks for Sale with Low Mileage in LittletonUsed Convertibles for Sale with Low Mileage in LittletonUsed Vans for Sale with Low Mileage in LittletonUsed Minivans for Sale with Low Mileage in LittletonUsed Pickup Trucks for Sale with Low Mileage in LittletonUsed Coupes for Sale with Low Mileage in LittletonUsed Wagons for Sale with Low Mileage in Littleton
