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GMC
Sierra 1500
SLT
GMC Sierra 1500 SLT for Sale in Longmont, CO
80501
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Items 1 to 2 of 12.
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(2)
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(4)
2010 and newer
(135)
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(28)
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(134)
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(84)
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(2)
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(136)
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(129)
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(127)
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GMC
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Sierra 1500
Acadia
(178)
Caballero
Canyon
(168)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
(1)
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(64)
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(1)
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S15 Jimmy
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Savana 1500
(3)
Savana 2500
(20)
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(15)
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Sierra 1500
(927)
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(429)
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(153)
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(28)
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(1)
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Syclone
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(195)
TopKick C4500
TopKick C5500
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(174)
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(171)
Sierra 1500 Trims
SLT
AT4
(111)
AT4X
(80)
C3
Carrera GTS
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(160)
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(57)
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(224)
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(114)
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SLE
(38)
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(136)
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(61)
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(6)
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(28)
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(6)
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(10)
LPO, Assist Step and Tonneau Package
Snow Plow Prep Package
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(1)
LPO, Bed Protection Package
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(1)
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All Terrain X Edition
Chrome Essentials Package
LPO, Chrome Package
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(2)
Texas Edition SLT Premium Package
Texas SLT Premium Package
(1)
LPO, Chrome Appearance Package
SLT Eassist Package
Enhanced Driver Alert Package
(1)
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
(4)
Driver Alert Package II
LPO, Underbody Shield Package, Transfer Case Protection
(1)
X31 Off-Road and Protection Package
(45)
Light Duty Power Package
EZ-Lift Tailgate Package
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(23)
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(2)
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(2)
Laser Blue Special Edition
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(15)
SLT Premium Package
(28)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
(1)
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(2)
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SLT Crew Cab Value Plus Package
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Vortex Max Performance Pack
Body Color All-Terrain Package
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(2)
All Terrain Slt Crew Cab "Plus" Package
Driver Alert Package I
(1)
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
(1)
Heritage Edition
Texas SLT Crew Cab Value Plus Package
Z71 Off-Road Package
Vortecmax Performance Pack
All-Terrain Package
(2)
Mocha Steel Metallic Edition
Technology Package
LPO, Essentials Package
Entertainment Package, RearSeat DVD Player With LCD Display and 2 Sets of Wireless Headphones
Safe And Sound Package
LPO, Utility Wall Package
Entertainment Package
Skid Plate Package
(1)
Graphite Blue Metallic Edition
LPO, GMC Protection Package
(1)
Max Trailering Pack
SLT Preferred Equipment Group
Suspension Package, Off-Road"
Sierra Safety Plus Package
(14)
Add Another Make
GMC
Models
Sierra 1500
Acadia
(178)
Caballero
Canyon
(168)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
(1)
Hummer EV
(64)
Jimmy
(1)
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(3)
Savana 2500
(20)
Savana 3500
(15)
Savana 4500
(1)
Sierra 1500
(927)
Sierra 2500
(429)
Sierra 3500
(153)
Sierra EV
(28)
Sonoma
(1)
Suburban
Syclone
Terrain
(195)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(174)
Yukon XL
(171)
Sierra 1500 Trims
SLT
AT4
(111)
AT4X
(80)
C3
Carrera GTS
Classic
Classic Denali
Denali
(160)
Denali Ultimate
(57)
Elevation
(224)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(114)
SL
SLE
(38)
SLT
(136)
Special
Sport
W/T
XFE
SLT Package
Any
SLT Premium Plus Package
(61)
Laser Blue Metallic Special Edition
Black Pack
SLT Crew Cab Premium Plus Package
(6)
SLT Preferred Package
(28)
Onstar Plus Package
Professional Package
Off-Road Package
Sun And Navigation Package
Sierra Performance Edition
SLE Value Package
LPO, Deluxe Chrome Package
SLT Convenience Package
(6)
Max Trailering Package
(10)
LPO, Assist Step and Tonneau Package
Snow Plow Prep Package
Texas SLT Crew Cab Value Package
(1)
LPO, Bed Protection Package
SLE/SLT Trailering Package
Convenience Package
(1)
Entertainment Package, Rear Seat DVD Player
Sierra Special Edition
All Terrain X Edition
Chrome Essentials Package
LPO, Chrome Package
LPO, Cargo Convenience Package
(2)
Texas Edition SLT Premium Package
Texas SLT Premium Package
(1)
LPO, Chrome Appearance Package
SLT Eassist Package
Enhanced Driver Alert Package
(1)
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
(4)
Driver Alert Package II
LPO, Underbody Shield Package, Transfer Case Protection
(1)
X31 Off-Road and Protection Package
(45)
Light Duty Power Package
EZ-Lift Tailgate Package
Sierra Fleet Convenience Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Performance Upgrade Package
X31 Off-Road Package
(23)
SLT Crew Cab Value Package
(2)
LPO, Under Body Shield Package, Transfer Case Protection
SLT White Diamond Edition
White Diamond Edition
Limited Appearance Package
LPO, Black Badging Package
(2)
Laser Blue Special Edition
Suspension Package, Off-Road
(15)
SLT Premium Package
(28)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
(1)
All Terrain Package
(2)
All Terrain X Package
SLT Crew Cab Value Plus Package
Suspension Package, Ride-Control, Manual Selectable
Vortex Max Performance Pack
Body Color All-Terrain Package
Driver Alert Package
(2)
All Terrain Slt Crew Cab "Plus" Package
Driver Alert Package I
(1)
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
(1)
Heritage Edition
Texas SLT Crew Cab Value Plus Package
Z71 Off-Road Package
Vortecmax Performance Pack
All-Terrain Package
(2)
Mocha Steel Metallic Edition
Technology Package
LPO, Essentials Package
Entertainment Package, RearSeat DVD Player With LCD Display and 2 Sets of Wireless Headphones
Safe And Sound Package
LPO, Utility Wall Package
Entertainment Package
Skid Plate Package
(1)
Graphite Blue Metallic Edition
LPO, GMC Protection Package
(1)
Max Trailering Pack
SLT Preferred Equipment Group
Suspension Package, Off-Road"
Sierra Safety Plus Package
(14)
Add Another Make
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Condition
New
(78)
Used
(58)
Manufacturer Certified
(4)
Third-Party Certified
(1)
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Used
(58)
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Crew Cab
(3)
Extended Cab
(0)
Regular Cab
(0)
Crew Cab
(3)
Extended Cab
(0)
Regular Cab
(0)
Truck Bed Length
Short
(117)
Medium
(14)
Long
(0)
Include unspecified lengths
(5)
Short
(117)
Medium
(14)
Long
(0)
Include unspecified lengths
(5)
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Used 2023 GMC Sierra 1500 SLT
46,588
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Used
2021 GMC Sierra 1500
SLT
109K mi
29,500
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Dealer Fees Included
No Accidents
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CarBravo Certified
2017 GMC Sierra 1500
SLT
145K mi
21,298
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Used
2019 GMC Sierra 1500
SLT
109K mi
30,793
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Dealer Fees Included
No Accidents
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Used
2017 GMC Sierra 1500
SLT
100K mi
26,500
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2020 GMC Sierra 1500
SLT
70K mi
36,098
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2026 GMC Sierra 1500
SLT
46 mi
59,679
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2024 GMC Sierra 1500
SLT
8K mi
51,990
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2016 GMC Sierra 1500
SLT
106K mi
23,991
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2018 GMC Sierra 1500
SLT
77K mi
28,000
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No Accidents
Certified
2024 GMC Sierra 1500
SLT
65K mi
42,698
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Dealer Fees Included
No Accidents
Price Drop
CarBravo Certified
2017 GMC Sierra 1500
SLT
145K mi
21,298
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Dealer Fees Included
No Accidents
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Ford Blue Certified
2017 GMC Sierra 1500
SLT
55K mi
32,620
See payment
No Accidents
Used
2018 GMC Sierra 1500
SLT
197K mi
19,898
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Dealer Fees Included
No Accidents
Price Drop
360°
Used
2019 GMC Sierra 1500
SLT
116K mi
28,400
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No Accidents
Used
2021 GMC Sierra 1500
SLT
109K mi
29,500
See payment
Dealer Fees Included
No Accidents
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Used
2016 GMC Sierra 1500
SLT
106K mi
23,991
See payment
No Accidents
360°
Used
2025 GMC Sierra 1500
SLT
38K mi
44,799
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No Accidents
Price Drop
Used
2022 GMC Sierra 1500
SLT
76K mi
36,498
See payment
Dealer Fees Included
No Accidents
360°
Used
2025 GMC Sierra 1500
SLT
43K mi
44,895
See payment
No Accidents
Newly Listed
Used
2016 GMC Sierra 1500
SLT
67K mi
24,988
See payment
360°
Used
2015 GMC Sierra 1500
SLT
102K mi
25,793
See payment
Dealer Fees Included
Used
2019 GMC Sierra 1500
SLT
89K mi
32,910
See payment
Dealer Fees Included
No Accidents
Used
2022 GMC Sierra 1500
SLT
54K mi
40,894
See payment
Dealer Fees Included
No Accidents
360°
Used
2023 GMC Sierra 1500
SLT
47K mi
46,588
See payment
Used
2016 GMC Sierra 1500
SLT
123K mi
27,527
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No Accidents
360°
Used
2019 GMC Sierra 1500
SLT
109K mi
30,793
See payment
Dealer Fees Included
No Accidents
Used
2022 GMC Sierra 1500
SLT
90K mi
34,695
See payment
Dealer Fees Included
Used
2016 GMC Sierra 1500
SLT
96K mi
27,488
See payment
Dealer Fees Included
No Accidents
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