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GMC
Sierra 3500
SLT
GMC Sierra 3500 SLT for Sale in Rockford, IL
61101
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2016 and newer
(5)
2022 and older
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Make, Model & Trim
GMC
Models
Sierra 3500
Acadia
(174)
Caballero
Canyon
(70)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(38)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
Savana 2500
(21)
Savana 3500
(14)
Savana 4500
(1)
Sierra 1500
(433)
Sierra 2500
(162)
Sierra 3500
(55)
Sierra EV
(26)
Sonoma
(2)
Suburban
Syclone
Terrain
(128)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(86)
Yukon XL
(64)
Sierra 3500 Trims
SLT
AT4
(3)
Classic SL
Classic SLE
Classic W/T
Denali
(11)
Denali Ultimate
(7)
Pro
(18)
SL
SLE
(8)
SLT
(7)
W/T
SLT Package
Any
Onstar Plus Package
SLT Preferred Package
LPO, Hitch Package
SLT Premium Plus Package
Sun And Navigation Package
SLT Convenience Package
License Plate Front Mounting Package
Snow Plow Prep Package
Entertainment Package, Rear Seat DVD Player
Convenience Package
(1)
Gooseneck/5th Wheel Prep Package
(4)
X31 Off-Road and Protection Package
(1)
Texas SLT Premium Package
Driver Alert Package II
EZ-Lift Tailgate Package
Sierra HD Pro Safety Plus Package
LPO, Cargo Convenience Package
LPO, GMC Interior Protection Package
Heavy Duty Front Spring/Camper Package
X31 Off-Road Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Black Badging Package
SLT Premium Package
(2)
Duramax Plus Package
Skid Plate Package, Frame-Mounted Shields
Suspension Package, Off-Road
Texas Edition SLT Premium Plus Package
Heavy-Duty Power Package
Driver Alert Package I
Driver Alert Package
LPO, Protection Package
Gooseneck/5TH Wheel Prep Package -- Hitch Platform to Accept Gooseneck or Fifth Wheel Hitch.
LPO, Hitch Package, Gooseneck Ball and Chain Tiedown Kit With Case
Z71 Off-Road Package
LPO, On The Job Package
Snow Plow Prep/Camper Package
(3)
Gooseneck/5TH Wheel Package
Gooseneck/5TH Wheel Prep Package
(4)
LPO, Assist Step and Floor Liner Package
All-Terrain HD Package, For Crew Cab Models Only
Technology Package
Mocha Steel Metallic Edition
SLT Preferred Equipment Group
Skid Plate Package
LPO, GMC Protection Package
(1)
All-Terrain HD Package
Entertainment Package
Graphite Blue Metallic Edition
Add Another Make
GMC
Models
Sierra 3500
Acadia
(174)
Caballero
Canyon
(70)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(38)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
Savana 2500
(21)
Savana 3500
(14)
Savana 4500
(1)
Sierra 1500
(433)
Sierra 2500
(162)
Sierra 3500
(55)
Sierra EV
(26)
Sonoma
(2)
Suburban
Syclone
Terrain
(128)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(86)
Yukon XL
(64)
Sierra 3500 Trims
SLT
AT4
(3)
Classic SL
Classic SLE
Classic W/T
Denali
(11)
Denali Ultimate
(7)
Pro
(18)
SL
SLE
(8)
SLT
(7)
W/T
SLT Package
Any
Onstar Plus Package
SLT Preferred Package
LPO, Hitch Package
SLT Premium Plus Package
Sun And Navigation Package
SLT Convenience Package
License Plate Front Mounting Package
Snow Plow Prep Package
Entertainment Package, Rear Seat DVD Player
Convenience Package
(1)
Gooseneck/5th Wheel Prep Package
(4)
X31 Off-Road and Protection Package
(1)
Texas SLT Premium Package
Driver Alert Package II
EZ-Lift Tailgate Package
Sierra HD Pro Safety Plus Package
LPO, Cargo Convenience Package
LPO, GMC Interior Protection Package
Heavy Duty Front Spring/Camper Package
X31 Off-Road Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Black Badging Package
SLT Premium Package
(2)
Duramax Plus Package
Skid Plate Package, Frame-Mounted Shields
Suspension Package, Off-Road
Texas Edition SLT Premium Plus Package
Heavy-Duty Power Package
Driver Alert Package I
Driver Alert Package
LPO, Protection Package
Gooseneck/5TH Wheel Prep Package -- Hitch Platform to Accept Gooseneck or Fifth Wheel Hitch.
LPO, Hitch Package, Gooseneck Ball and Chain Tiedown Kit With Case
Z71 Off-Road Package
LPO, On The Job Package
Snow Plow Prep/Camper Package
(3)
Gooseneck/5TH Wheel Package
Gooseneck/5TH Wheel Prep Package
(4)
LPO, Assist Step and Floor Liner Package
All-Terrain HD Package, For Crew Cab Models Only
Technology Package
Mocha Steel Metallic Edition
SLT Preferred Equipment Group
Skid Plate Package
LPO, GMC Protection Package
(1)
All-Terrain HD Package
Entertainment Package
Graphite Blue Metallic Edition
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
New
(5)
Used
(2)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program Details
New
(5)
Used
(2)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program Details
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Truck Cab Size
Crew Cab
(0)
Extended Cab
(0)
Regular Cab
(0)
Crew Cab
(0)
Extended Cab
(0)
Regular Cab
(0)
Truck Bed Length
Short
(0)
Medium
(4)
Long
(3)
Include unspecified lengths
(0)
Short
(0)
Medium
(4)
Long
(3)
Include unspecified lengths
(0)
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Used
2008 GMC Sierra 3500
SLT
187K mi
16,925
See payment
No Accidents
New
2026 GMC Sierra 3500
SLT
10 mi
74,777
MSRP
$79,780
See payment
Incentive
Newly Listed
New
2026 GMC Sierra 3500
SLT
0 mi
83,274
MSRP
$86,880
See payment
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Credit Rating
Excellent (740-900)
Credit Rating
Excellent (740-900)
Very Good (700-739)
Good (670-699)
Fair (630-669)
Rebuilding (580-629)
Down Payment
Trade-In Value
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Based on 4.5% APR for mos.
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Search Available Cars
Newly Listed
Used
2015 GMC Sierra 3500
SLT
89K mi
41,979
See payment
Newly Listed
New
2026 GMC Sierra 3500
SLT
5 mi
74,912
MSRP
$83,315
See payment
Incentive
New
2026 GMC Sierra 3500
SLT
10 mi
75,000
MSRP
$80,275
See payment
Incentive
New
2026 GMC Sierra 3500
SLT
15 mi
78,577
MSRP
$86,840
See payment
Incentive
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