Used GMC Sierra 1500 SLT for Sale nearFlagler, CO
360 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:
- Gray
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic
- Mileage:
- 100,138
- Stock #:
- 26218
- VIN:
- 3GTU2NEJ6JG349669
Sponsored by Sterling Auto
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,138 mi
Franktown, CO
95 mi away
Good Deal
$26,740
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 107,033
- Stock #:
- 26339
- VIN:
- 3GTU2NEC8JG513876
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
107,033 mi
Franktown, CO
95 mi away
Good Deal
$26,092
- Year:
- 2023
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 61,710
- Stock #:
- PG235811
- VIN:
- 3GTUUDEL7PG235811
Sponsored Listing
2023 GMC Sierra 1500
SLT Crew Cab 4WD
61,710 mi
Goodland, KS
68 mi away
Fair Deal
$44,289
- Year:
- 2010
- 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:
- Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Flex Fuel Vehicle
- Transmission:
- 6-Speed Automatic
- Mileage:
- 68,598
- Stock #:
- P3137B
- VIN:
- 3GTRKWE36AG248595
2010 GMC Sierra 1500
SLT Crew Cab 4WD
68,598 mi
Burlington, CO
38 mi away
Good Deal
$17,014
- 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
Home delivery from Frederick, CO
Price includes $117 shipping
Fair Deal
$51,375
- 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:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 35,571
- Stock #:
- 110171A
- VIN:
- 3GTUUDED6SG150704
2025 GMC Sierra 1500
SLT Crew Cab 4WD
35,571 mi
Home delivery from Butler, MO
Price includes $717 shipping
Great Deal
$44,821
- Year:
- 2020
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 73,032
- Stock #:
- 344994B
- VIN:
- 3GTU9DEL6LG359094
New arrival
2020 GMC Sierra 1500
SLT Crew Cab 4WD
73,032 mi
Home delivery from Snyder, TX
Price includes $3,728 shipping
Fair Deal
$38,948
- Year:
- 2019
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 115,003
- Stock #:
- KZ389022
- VIN:
- 1GTU9DED0KZ389022
2019 GMC Sierra 1500
SLT Crew Cab 4WD
115,003 mi
Goodland, KS
68 mi away
Good Deal
$29,289
- 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 $1,752 shipping
Good Deal
$36,840
- 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
95 mi away
Good Deal
$26,740
- 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 48,613
- Stock #:
- P6615
- VIN:
- 3GTUUDED0RG389109
2024 GMC Sierra 1500
SLT Crew Cab 4WD
48,613 mi
Home delivery from Rockville, MD
Price includes $2,000 shipping
Good Deal
$42,300
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 83,000
- Stock #:
- TZ325840A
- VIN:
- 3GTU9DED9MG337861
2021 GMC Sierra 1500
SLT Crew Cab 4WD
83,000 mi
Home delivery from Henrietta, TX
Price includes $711 shipping
Good Deal
$33,638
- 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:
- Pacific Blue Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,907
- Stock #:
- 311212
- VIN:
- 1GTU9DED7MZ311212
2021 GMC Sierra 1500
SLT Crew Cab 4WD
57,907 mi
Yuma, CO
58 mi away
Fair Deal
$39,785
- Year:
- 2022
- 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:
- Automatic
- Mileage:
- 46,837
- Stock #:
- 1GT04983A
- VIN:
- 3GTUUDED6NG655565
New arrival
2022 GMC Sierra 1500
SLT Crew Cab 4WD
46,837 mi
Home delivery from Greensboro, NC
Price includes $1,799 shipping
Fair Deal
$43,448
- 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:
- TITANIUM RUSH METALLIC
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 22,117
- Stock #:
- 6A182952
- VIN:
- 1GTUUDED9SZ182952
2025 GMC Sierra 1500
SLT Crew Cab 4WD
22,117 mi
Home delivery from Vernal, UT
Price includes $525 shipping
Fair Deal
$47,518
- 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:
- Blue
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray/Brown
- Transmission:
- Automatic
- Mileage:
- 17,442
- Stock #:
- RG271685
- VIN:
- 3GTUUDED5RG271685
2024 GMC Sierra 1500
SLT Crew Cab 4WD
17,442 mi
Home delivery from Houston, TX
Price includes $796 shipping
Fair Deal
$49,936
- 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:
- Summit White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 84,040
- Stock #:
- WG39554B
- VIN:
- 3GTU9DED0LG313849
2020 GMC Sierra 1500
SLT Crew Cab 4WD
84,040 mi
Home delivery from Stillwater, OK
Price includes $399 shipping
Good Deal
$33,466
- 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
- Transmission:
- Automatic
- Mileage:
- 95,923
- Stock #:
- NV186743
- VIN:
- 3GTU2NEC7JG186743
2018 GMC Sierra 1500
SLT Crew Cab 4WD
95,923 mi
Home delivery from West Park, FL
Price includes $1,612 shipping
Great Deal
$25,868
- Year:
- 2024
- 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 Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 61,373
- Stock #:
- K88257
- VIN:
- 1GTUUDEL0RZ123113
2024 GMC Sierra 1500
SLT Crew Cab 4WD
61,373 mi
Home delivery from Herculaneum, MO
Price includes $1,372 shipping
Great Deal
$41,764
- Year:
- 2019
- 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:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 126,129
- Stock #:
- 22020
- VIN:
- 1GTU9DED3KZ213081
2019 GMC Sierra 1500
SLT Crew Cab 4WD
126,129 mi
Home delivery from Downers Grove, IL
Price includes $805 shipping
Great Deal
$28,217
- 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
Home delivery from Denver, CO
Free home delivery
Good Deal
$43,500
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 25,654
- Stock #:
- 8074U
- VIN:
- 3GTUUDE86PG288074
2023 GMC Sierra 1500
SLT Crew Cab 4WD
25,654 mi
Home delivery from Dalhart, TX
Price includes $229 shipping
Fair Deal
$48,142
- 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 40,940
- Stock #:
- BC199389
- VIN:
- 3GTUUDED5SG199389
2025 GMC Sierra 1500
SLT Crew Cab 4WD
40,940 mi
Home delivery from Burley, ID
Price includes $898 shipping
Fair Deal
$43,898
- 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:
- Pacific Blue Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,907
- Stock #:
- 311212
- VIN:
- 1GTU9DED7MZ311212
Sponsored Listing
2021 GMC Sierra 1500
SLT Crew Cab 4WD
57,907 mi
Yuma, CO
58 mi away
Fair Deal
$39,785
FAQs
How much does the GMC Sierra 1500 SLT cost in Flagler, CO?
The average GMC Sierra 1500 SLT costs about $11,448.68. The average price has decreased by -5.2% since last year. The 366 for sale near Flagler, CO on CarGurus, range from $5,778 to $70,894 in price.
How many GMC Sierra 1500 SLT vehicles in Flagler, CO have no reported accidents or damage?
287 out of 366 for sale near Flagler, 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 14 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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