Used GMC Sierra 1500 SLT for Sale nearBoulder, CO
399 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- Sonoma Red Metallic
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black (Light Titanium/Ebony)
- Transmission:
- Automatic
- Mileage:
- 182,056
- Stock #:
- 1865D
- VIN:
- 3GTP2WE70DG317750
New arrival
Sponsored by Sapphire Auto Brokers
2013 GMC Sierra 1500
SLT Crew Cab 4WD
182,056 mi
Englewood, CO
28 mi away
Fair Deal
$13,999
- 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:
- Automatic
- Mileage:
- 116,792
- Stock #:
- 1813
- VIN:
- 3GTU2NEC4JG316784
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
116,792 mi
Englewood, CO
28 mi away
Good Deal
$24,999
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 40,455
- Stock #:
- EP8541
- VIN:
- 1GTUUDED9SZ124307
Sponsored Listing
2025 GMC Sierra 1500
SLT Crew Cab 4WD
40,455 mi
Thornton, CO
16 mi away
Fair Deal
$43,954
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 104,814
- Stock #:
- TL445088A
- VIN:
- 1GTU9DED1MZ446864
Price drop
-$877
2021 GMC Sierra 1500
SLT Crew Cab 4WD
104,814 mi
Loveland, CO
33 mi away
Fair Deal
$34,114
$33,237
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 133,410
- Stock #:
- G633901A
- VIN:
- 3GTU2NEC2GG290971
New arrival
2016 GMC Sierra 1500
SLT Crew Cab 4WD
133,410 mi
Brighton, CO
23 mi away
Fair Deal
$23,488
- Year:
- 2017
- 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:
- Jet Black/Spice Red
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 93,939
- Stock #:
- 14655B
- VIN:
- 3GTU2NEJ0HG243809
2017 GMC Sierra 1500
SLT Crew Cab 4WD
93,939 mi
Brighton, CO
24 mi away
Fair Deal
$29,812
- 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:
- Pacific Blue Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 121,817
- Stock #:
- L420632
- VIN:
- 3GTU9DED6LG420632
2020 GMC Sierra 1500
SLT Crew Cab 4WD
121,817 mi
Longmont, CO
16 mi away
Fair Deal
$30,805
- 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:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,070
- Stock #:
- 55431V
- VIN:
- 3GTP1NEC8JG443747
2018 GMC Sierra 1500
SLT Crew Cab
89,070 mi
Longmont, CO
15 mi away
Fair Deal
$26,906
- 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
- VIN:
- 3GTU2NEC9JG103216
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,928 mi
Frederick, CO
17 mi away
Good Deal
$28,782
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash/Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 91,315
- Stock #:
- P10897
- VIN:
- 3GTU2NEC9HG239517
2017 GMC Sierra 1500
SLT Crew Cab 4WD
91,315 mi
Highlands Ranch, CO
34 mi away
Good Deal
$26,789
- 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:
- Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 127,144
- Stock #:
- D1938
- VIN:
- 3GTU9DED0KG233191
Price drop
-$2,319
2019 GMC Sierra 1500
SLT Crew Cab 4WD
127,144 mi
Home delivery from Addison, IL
Price includes $1,360 shipping
Great Deal
$28,352
$27,560
- 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:
- Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 147,947
- Stock #:
- W1916
- VIN:
- 1GTR2WE7XDZ312841
2013 GMC Sierra 1500
SLT Ext. Cab 4WD
147,947 mi
Home delivery from Addison, IL
Price includes $1,360 shipping
Great Deal
$12,138
- 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 65,291
- Stock #:
- L135982
- VIN:
- 3GTUUDED0RG135982
2024 GMC Sierra 1500
SLT Crew Cab 4WD
65,291 mi
Longmont, CO
16 mi away
Good Deal
$40,271
- 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:
- 140,391
- Stock #:
- G11595
- VIN:
- 3GTU2VEC8EG115539
2014 GMC Sierra 1500
SLT Crew Cab 4WD
140,391 mi
Home delivery from Hillsboro, OR
Price includes $1,215 shipping
Fair Deal
$19,546
- 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
28 mi away
Fair Deal
$23,950
- 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:
- Silver
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 108,397
- Stock #:
- 49319
- VIN:
- 3GTU9DED3MG374243
New arrival
2021 GMC Sierra 1500
SLT Crew Cab 4WD
108,397 mi
Home delivery from Arlington, TX
Price includes $1,014 shipping
Fair Deal
$32,139
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 75,034
- Stock #:
- JG103566T
- VIN:
- 3GTU2NEJ5JG103566
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
75,034 mi
Castle Rock, CO
50 mi away
Fair Deal
$32,699
- 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:
- Quicksilver Metallic
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 111,169
- Stock #:
- KG273345T
- VIN:
- 3GTU9DED3KG273345
New arrival
2019 GMC Sierra 1500
SLT Crew Cab 4WD
111,169 mi
Castle Rock, CO
50 mi away
Good Deal
$30,099
- 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:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,114
- Stock #:
- L279906
- VIN:
- 3GTUUDED2RG279906
2024 GMC Sierra 1500
SLT Crew Cab 4WD
45,114 mi
Longmont, CO
16 mi away
Great Deal
$43,752
- 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:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 164,538
- Stock #:
- 496466
- VIN:
- 3GTU2NEJ0HG496466
2017 GMC Sierra 1500
SLT Crew Cab 4WD
164,538 mi
Denver, CO
29 mi away
Fair Deal
$20,694
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 38,175
- Stock #:
- 11133VP
- VIN:
- 1GTUUDED3SZ131494
2025 GMC Sierra 1500
SLT Crew Cab 4WD
38,175 mi
Thornton, CO
16 mi away
Good Deal
$42,794
- Year:
- 2019
- 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:
- 38,125
- Stock #:
- P24301
- VIN:
- 3GTU9DEL7KG177435
2019 GMC Sierra 1500
SLT Crew Cab 4WD
38,125 mi
Loveland, CO
32 mi away
Fair Deal
$40,348
- 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:
- Red
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 127,434
- Stock #:
- 180622
- VIN:
- 3GTU9DED9KG180622
2019 GMC Sierra 1500
SLT Crew Cab 4WD
127,434 mi
Englewood, CO
27 mi away
Fair Deal
$29,487
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 37,430
- Stock #:
- 7WR9K1
- VIN:
- 1GTUUDED0SZ133980
New arrival
Sponsored Listing
2025 GMC Sierra 1500
SLT Crew Cab 4WD
37,430 mi
Highlands Ranch, CO
36 mi away
Fair Deal
$43,398
FAQs
How much does the GMC Sierra 1500 SLT cost in Boulder, CO?
The average GMC Sierra 1500 SLT costs about $11,266.33. The average price has increased by 2.7% since last year. The 397 for sale near Boulder, CO on CarGurus, range from $5,577 to $75,269 in price.
How many GMC Sierra 1500 SLT vehicles in Boulder, CO have no reported accidents or damage?
342 out of 397 for sale near Boulder, 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 (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
Relevant articles
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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.
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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.
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