Used GMC Sierra 1500 SLT for Sale nearGill, CO
441 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- Red
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Dark Walnut/Slate, Perforated Leather-Appointed Fr
- Transmission:
- Automatic
- Mileage:
- 57,879
- Stock #:
- TMG233124
- VIN:
- 3GTU9DET4MG233124
New arrival
Sponsored by Alpine Buick GMC
2021 GMC Sierra 1500
SLT Crew Cab 4WD
57,879 mi
Highlands Ranch, CO
70 mi away
Good Deal
$35,427
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 185,474
- Stock #:
- AN46984
- VIN:
- 3GTP1VECXEG546903
Sponsored Listing
2014 GMC Sierra 1500
SLT Crew Cab
185,474 mi
Longmont, CO
39 mi away
Fair Deal
$15,295
- 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:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 82,219
- Stock #:
- JG373124
- VIN:
- 3GTU2NEC5JG373124
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
82,219 mi
Englewood, CO
65 mi away
Fair Deal
$30,398
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 12,796
- Stock #:
- L234166
- VIN:
- 3GTUUDED8SG234166
New arrival
2025 GMC Sierra 1500
SLT Crew Cab 4WD
12,796 mi
Longmont, CO
37 mi away
Great Deal
$44,246
- Year:
- 2015
- 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:
- 132,238
- Stock #:
- V355237
- VIN:
- 3GTU2VEC6FG355237
New arrival
2015 GMC Sierra 1500
SLT Crew Cab 4WD
132,238 mi
Sterling, CO
68 mi away
Good Deal
$18,995
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 159,565
- Stock #:
- 1147
- VIN:
- 3GTU2NEJ8HG106665
New arrival
2017 GMC Sierra 1500
SLT Crew Cab 4WD
159,565 mi
Home delivery from El Paso, TX
Price includes $916 shipping
Fair Deal
$21,906
- 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:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 81,646
- Stock #:
- C0238A
- VIN:
- 1GTU9DED2KZ194829
New arrival
2019 GMC Sierra 1500
SLT Crew Cab 4WD
81,646 mi
Fort Collins, CO
32 mi away
Good Deal
$32,797
- 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:
- White Frost Tricoat
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 1-Speed Automatic
- Mileage:
- 107,573
- Stock #:
- 2049
- VIN:
- 1GTU9DED4MZ107869
New arrival
2021 GMC Sierra 1500
SLT Crew Cab 4WD
107,573 mi
Home delivery from Gibson City, IL
Price includes $1,482 shipping
Fair Deal
$31,477
- 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:
- Red
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 107,264
- Stock #:
- 32117
- VIN:
- 3GTU2NEC9GG240861
2016 GMC Sierra 1500
SLT Crew Cab 4WD
107,264 mi
Wheat Ridge, CO
60 mi away
Fair Deal
$24,777
- Year:
- 2017
- 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/Spice Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 125,715
- Stock #:
- 138477A
- VIN:
- 3GTU2NEC0HG264788
Price drop
-$500
2017 GMC Sierra 1500
SLT Crew Cab 4WD
125,715 mi
Greeley, CO
15 mi away
Good Deal
$23,213
$22,713
- 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:
- Brown (Beige)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 92,400
- Stock #:
- 4509
- VIN:
- 3GTU2NEC5JG149464
2018 GMC Sierra 1500
SLT Crew Cab 4WD
92,400 mi
Denver, CO
62 mi away
Fair Deal
$29,596
- Year:
- 2017
- 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:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 147,335
- Stock #:
- A377
- VIN:
- 3GTU2NEC3HG300022
2017 GMC Sierra 1500
SLT Crew Cab 4WD
147,335 mi
Denver, CO
60 mi away
Fair Deal
$21,845
- 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)
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 52,961
- Stock #:
- MZ325329
- VIN:
- 1GTU9DEDXMZ325329
2021 GMC Sierra 1500
SLT Crew Cab 4WD
52,961 mi
Golden, CO
65 mi away
Good Deal
$35,990
- 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:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 76,362
- Stock #:
- 26625B
- VIN:
- 1GTU9DET0MZ171754
2021 GMC Sierra 1500
SLT Crew Cab 4WD
76,362 mi
Golden, CO
65 mi away
Fair Deal
$34,983
- 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
64 mi away
Fair Deal
$22,935
- 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:
- Summit White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 114,116
- Stock #:
- G562912
- VIN:
- 3GTU2VEC3EG562912
2014 GMC Sierra 1500
SLT Crew Cab 4WD
114,116 mi
Boulder, CO
51 mi away
Good Deal
$19,744
- 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 (Dark Sky Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 79,832
- Stock #:
- DP14127
- VIN:
- 3GTU9DEDXKG186381
Price drop
-$1,400
2019 GMC Sierra 1500
SLT Crew Cab 4WD
79,832 mi
Denver, CO
67 mi away
Good Deal
$33,097
$31,697
- 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
Price drop
-$1,300
2018 GMC Sierra 1500
SLT Crew Cab 4WD
100,138 mi
Franktown, CO
77 mi away
Great Deal
$25,800
$24,500
- 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:
- 132,248
- Stock #:
- 33864
- VIN:
- 3GTU2NECXJG333864
2018 GMC Sierra 1500
SLT Crew Cab 4WD
132,248 mi
Denver, CO
61 mi away
Fair Deal
$24,490
- 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
37 mi away
Great Deal
$26,017
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 80,748
- Stock #:
- G697357A
- VIN:
- 3GTU2NECXGG173123
New arrival
2016 GMC Sierra 1500
SLT Crew Cab 4WD
80,748 mi
Brighton, CO
42 mi away
Fair Deal
$27,488
- 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
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,746 mi
Frederick, CO
37 mi away
Good Deal
$24,950
- 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:
- Automatic
- Mileage:
- 117,515
- Stock #:
- 8312226A
- VIN:
- 3GTU2NEJ1JG332388
2018 GMC Sierra 1500
SLT Crew Cab 4WD
117,515 mi
Laramie, WY
80 mi away
Good Deal
$27,677
- Year:
- 2017
- 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:
- 172,366
- Stock #:
- 1895
- VIN:
- 3GTU2NEC0HG105611
Sponsored Listing
2017 GMC Sierra 1500
SLT Crew Cab 4WD
172,366 mi
Englewood, CO
63 mi away
Great Deal
$14,999
FAQs
How much does the GMC Sierra 1500 SLT cost in Gill, CO?
The average GMC Sierra 1500 SLT costs about $10,904.18. The average price has decreased by -6.4% since last year. The 377 for sale near Gill, CO on CarGurus, range from $5,832 to $69,915 in price.
How many GMC Sierra 1500 SLT vehicles in Gill, CO have no reported accidents or damage?
343 out of 377 for sale near Gill, 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.
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