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Used Cars for Sale
GMC
Sierra 1500
SLT
Used GMC Sierra 1500 SLT for Sale in Willimantic, CT
06226
Filters (4)
Items 1 to 2 of 11.
EV & Hybrid
Purchase Online
(1)
GMC Certified Pre-Owned
(10)
2010 and newer
(45)
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(15)
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(46)
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(36)
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(46)
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(43)
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(42)
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Make, Model & Trim
GMC
Models
Sierra 1500
Acadia
(113)
Caballero
Canyon
(64)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(11)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
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Savana 1500
(1)
Savana 2500
(23)
Savana 3500
(8)
Savana 4500
Sierra 1500
(337)
Sierra 2500
(75)
Sierra 3500
(26)
Sierra EV
(3)
Sonoma
Suburban
Syclone
Terrain
(103)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(74)
Yukon XL
(20)
Sierra 1500 Trims
SLT
AT4
(49)
AT4X
(7)
C3
Carrera GTS
Classic
Classic Denali
Denali
(55)
Denali Ultimate
(16)
Elevation
(103)
Limited
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Pro
(24)
SL
SLE
(33)
SLT
(46)
Special
Sport
W/T
(1)
XFE
SLT Package
Any
SLT Premium Plus Package
(9)
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(3)
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(15)
Onstar Plus Package
Professional Package
Off-Road Package
(1)
Sierra Performance Edition
Sun And Navigation Package
SLE Value Package
LPO, Deluxe Chrome Package
SLT Convenience Package
(7)
Max Trailering Package
LPO, Assist Step and Tonneau Package
Snow Plow Prep Package
(4)
Texas SLT Crew Cab Value Package
LPO, Bed Protection Package
SLE/SLT Trailering Package
Convenience Package
Entertainment Package, Rear Seat DVD Player
Sierra Special Edition
All Terrain X Edition
Chrome Essentials Package
LPO, Chrome Package
LPO, Cargo Convenience Package
Texas Edition SLT Premium Package
Texas SLT Premium Package
LPO, Chrome Appearance Package
SLT Eassist Package
Enhanced Driver Alert Package
(1)
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
(1)
Driver Alert Package II
(1)
LPO, Underbody Shield Package, Transfer Case Protection
X31 Off-Road and Protection Package
(7)
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
(7)
SLT Crew Cab Value Package
(3)
LPO, Under Body Shield Package, Transfer Case Protection
SLT White Diamond Edition
White Diamond Edition
Limited Appearance Package
LPO, Black Badging Package
Laser Blue Special Edition
Suspension Package, Off-Road
(9)
SLT Premium Package
(13)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
All Terrain Package
(1)
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
(1)
All Terrain Slt Crew Cab "Plus" Package
(1)
Driver Alert Package I
(1)
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
Heritage Edition
Texas SLT Crew Cab Value Plus Package
Z71 Off-Road Package
Vortecmax Performance Pack
All-Terrain Package
(1)
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
Graphite Blue Metallic Edition
LPO, GMC Protection Package
(1)
Max Trailering Pack
SLT Preferred Equipment Group
(1)
Suspension Package, Off-Road"
Sierra Safety Plus Package
(2)
Add Another Make
GMC
Models
Sierra 1500
Acadia
(113)
Caballero
Canyon
(64)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(11)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(1)
Savana 2500
(23)
Savana 3500
(8)
Savana 4500
Sierra 1500
(337)
Sierra 2500
(75)
Sierra 3500
(26)
Sierra EV
(3)
Sonoma
Suburban
Syclone
Terrain
(103)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(74)
Yukon XL
(20)
Sierra 1500 Trims
SLT
AT4
(49)
AT4X
(7)
C3
Carrera GTS
Classic
Classic Denali
Denali
(55)
Denali Ultimate
(16)
Elevation
(103)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(24)
SL
SLE
(33)
SLT
(46)
Special
Sport
W/T
(1)
XFE
SLT Package
Any
SLT Premium Plus Package
(9)
Laser Blue Metallic Special Edition
Black Pack
SLT Crew Cab Premium Plus Package
(3)
SLT Preferred Package
(15)
Onstar Plus Package
Professional Package
Off-Road Package
(1)
Sierra Performance Edition
Sun And Navigation Package
SLE Value Package
LPO, Deluxe Chrome Package
SLT Convenience Package
(7)
Max Trailering Package
LPO, Assist Step and Tonneau Package
Snow Plow Prep Package
(4)
Texas SLT Crew Cab Value Package
LPO, Bed Protection Package
SLE/SLT Trailering Package
Convenience Package
Entertainment Package, Rear Seat DVD Player
Sierra Special Edition
All Terrain X Edition
Chrome Essentials Package
LPO, Chrome Package
LPO, Cargo Convenience Package
Texas Edition SLT Premium Package
Texas SLT Premium Package
LPO, Chrome Appearance Package
SLT Eassist Package
Enhanced Driver Alert Package
(1)
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
(1)
Driver Alert Package II
(1)
LPO, Underbody Shield Package, Transfer Case Protection
X31 Off-Road and Protection Package
(7)
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
(7)
SLT Crew Cab Value Package
(3)
LPO, Under Body Shield Package, Transfer Case Protection
SLT White Diamond Edition
White Diamond Edition
Limited Appearance Package
LPO, Black Badging Package
Laser Blue Special Edition
Suspension Package, Off-Road
(9)
SLT Premium Package
(13)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
All Terrain Package
(1)
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
(1)
All Terrain Slt Crew Cab "Plus" Package
(1)
Driver Alert Package I
(1)
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
Heritage Edition
Texas SLT Crew Cab Value Plus Package
Z71 Off-Road Package
Vortecmax Performance Pack
All-Terrain Package
(1)
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
Graphite Blue Metallic Edition
LPO, GMC Protection Package
(1)
Max Trailering Pack
SLT Preferred Equipment Group
(1)
Suspension Package, Off-Road"
Sierra Safety Plus Package
(2)
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
(1 selected)
New
(39)
Used
(46)
Manufacturer Certified
(10)
Third-Party Certified
(0)
Certified Program
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New
(39)
Used
(46)
Manufacturer Certified
(10)
Third-Party Certified
(0)
Certified Program
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Truck Cab Size
Crew Cab
(3)
Extended Cab
(2)
Regular Cab
(0)
Crew Cab
(3)
Extended Cab
(2)
Regular Cab
(0)
Truck Bed Length
Short
(31)
Medium
(15)
Long
(0)
Include unspecified lengths
(0)
Short
(31)
Medium
(15)
Long
(0)
Include unspecified lengths
(0)
Vehicle History
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46 Matches
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Used
2023 GMC Sierra 1500
SLT
38K mi
47,372
See payment
No Accidents
360°
Used
2022 GMC Sierra 1500
SLT
31K mi
45,974
See payment
No Accidents
Used
2018 GMC Sierra 1500
SLT
74K mi
29,500
See payment
No Accidents
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Good (670-699)
Fair (630-669)
Rebuilding (580-629)
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CarBravo Certified
2024 GMC Sierra 1500
SLT
26K mi
48,387
See payment
Dealer Fees Included
No Accidents
360°
Used
2022 GMC Sierra 1500
SLT
31K mi
45,974
See payment
No Accidents
Consider New, Similar Payment
2026 GMC Sierra 1500
SLT
0 mi
61,224
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High Demand
CarBravo Certified
2022 GMC Sierra 1500
SLT
51K mi
45,987
See payment
No Accidents
Price Drop
Used
2015 GMC Sierra 1500
SLT
67K mi
23,500
See payment
Price Drop
Used
2023 GMC Sierra 1500
SLT
38K mi
47,372
See payment
No Accidents
Used
2018 GMC Sierra 1500
SLT
104K mi
26,500
See payment
No Accidents
Certified
2021 GMC Sierra 1500
SLT
51K mi
39,648
See payment
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Price Drop
Used
2021 GMC Sierra 1500
SLT
115K mi
27,900
See payment
No Accidents
Price Drop
360°
Used
2026 GMC Sierra 1500
SLT
17K mi
47,977
See payment
No Accidents
Used
2018 GMC Sierra 1500
SLT
107K mi
23,999
See payment
No Accidents
Used
2018 GMC Sierra 1500
SLT
74K mi
29,500
See payment
No Accidents
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High Demand
360°
Used
2015 GMC Sierra 1500
SLT
75K mi
23,998
See payment
Used
2023 GMC Sierra 1500
SLT
21K mi
50,594
See payment
No Accidents
Certified
2025 GMC Sierra 1500
SLT
39K mi
42,990
See payment
No Accidents
Certified
2025 GMC Sierra 1500
SLT
40K mi
40,477
See payment
No Accidents
Used
2021 GMC Sierra 1500
SLT
91K mi
32,995
See payment
No Accidents
Price Drop
Certified
2023 GMC Sierra 1500
SLT
37K mi
45,590
See payment
No Accidents
Price Drop
Certified
2023 GMC Sierra 1500
SLT
37K mi
45,590
See payment
No Accidents
Used
2018 GMC Sierra 1500
SLT
117K mi
23,495
See payment
No Accidents
Certified
2023 GMC Sierra 1500
SLT
48K mi
45,384
See payment
Dealer Fees Included
No Accidents
High Demand
CarBravo Certified
2021 GMC Sierra 1500
SLT
84K mi
36,999
See payment
No Accidents
Newly Listed
Used
2021 GMC Sierra 1500
SLT
49K mi
41,594
See payment
No Accidents
Used
2012 GMC Sierra 1500
SLT
99K mi
20,995
See payment
Price Drop
Used
2015 GMC Sierra 1500
SLT
126K mi
18,845
See payment
No Accidents
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