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Used Cars for Sale
GMC
Sierra 3500
SLE
Used GMC Sierra 3500 SLE for Sale in Boulder, CO
80302
Filters (4)
Items 1 to 2 of 5.
2022 and older
(4)
Blue
(1)
Automatic
(5)
2006 and newer
(4)
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Make, Model & Trim
GMC
Models
Sierra 3500
Acadia
(74)
Caballero
Canyon
(46)
Envoy
(1)
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(3)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(4)
Savana 2500
(13)
Savana 3500
(12)
Savana 4500
(1)
Sierra 1500
(357)
Sierra 2500
(123)
Sierra 3500
(55)
Sierra EV
(1)
Sonoma
Suburban
(1)
Syclone
Terrain
(114)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(124)
Yukon XL
(78)
Sierra 3500 Trims
SLE
AT4
(10)
Classic SL
Classic SLE
Classic W/T
Denali
(20)
Denali Ultimate
(7)
Pro
(4)
SL
SLE
(5)
SLT
(4)
W/T
(1)
SLE Package
Any
Onstar Plus Package
SLE Value Package
(1)
SLE Convenience Package
LPO, Hitch Package
(1)
Preferred Package
SLE Convenience Package, For Crew Cab and Double Cab
HD SLE Premium Package
SLE2 Audio Package
Off-Road Skid Plate Pkg
Snow Plow Prep Package
SLE Fleet Preferred Package
Convenience Package
(1)
1SA Driver Alert Package I
Seat, Cloth Rear With Storage Package, 60/40 Folding Bench
License Plate Front Mounting Package
Entertainment Package, Rear Seat DVD Player
Gooseneck/5th Wheel Prep Package
(1)
X31 Off-Road and Protection Package
Heavy Duty Front Spring Package
SLE Fleet Convenience Package
EZ-Lift Tailgate Package
Ambulance/Fire/Rescue Package
Sierra HD Pro Safety Plus Package
Texas Edition
Driver Alert Package II
SLE Heated Package
Heavy Duty Front Spring/Camper Package
X31 Off-Road Package
LPO, Black Badging Package
Remote Start Package
Skid Plate Package, Frame-Mounted Shields
Suspension Package, Off-Road
(1)
Snow Plow Prep Pkg
SLE Heat Package
Heavy-Duty Power Package
Driver Alert Package I
Gooseneck/5TH Wheel Prep Package -- Hitch Platform to Accept Gooseneck or Fifth Wheel Hitch.
Z71 Off-Road Package
LPO, Hitch Package, Gooseneck Ball and Chain Tiedown Kit With Case
LPO, Protection Package
LPO, On The Job Package
Driver Alert Package
Snow Plow Prep/Camper Package
Gooseneck/5TH Wheel Prep Package
(1)
SLE Preferred Package
(1)
Gooseneck/5TH Wheel Package
LPO, Assist Step and Floor Liner Package
HD SLE Gas Preferred Plus Package
HD SLE Preferred Plus Package
Ambulance Package
LPO, GMC Protection Package
Skid Plate Package
Fleet Comfort Package
All-Terrain HD Package
Seat, Cloth Rear With Storage Package, 60/40 Folding Bench For Crew Cab Models
SLE Fleet Convenience Package, For Crew Cab and Double Cab
SLE1 Audio Package
Graphite Blue Metallic Edition
Add Another Make
GMC
Models
Sierra 3500
Acadia
(74)
Caballero
Canyon
(46)
Envoy
(1)
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(3)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(4)
Savana 2500
(13)
Savana 3500
(12)
Savana 4500
(1)
Sierra 1500
(357)
Sierra 2500
(123)
Sierra 3500
(55)
Sierra EV
(1)
Sonoma
Suburban
(1)
Syclone
Terrain
(114)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(124)
Yukon XL
(78)
Sierra 3500 Trims
SLE
AT4
(10)
Classic SL
Classic SLE
Classic W/T
Denali
(20)
Denali Ultimate
(7)
Pro
(4)
SL
SLE
(5)
SLT
(4)
W/T
(1)
SLE Package
Any
Onstar Plus Package
SLE Value Package
(1)
SLE Convenience Package
LPO, Hitch Package
(1)
Preferred Package
SLE Convenience Package, For Crew Cab and Double Cab
HD SLE Premium Package
SLE2 Audio Package
Off-Road Skid Plate Pkg
Snow Plow Prep Package
SLE Fleet Preferred Package
Convenience Package
(1)
1SA Driver Alert Package I
Seat, Cloth Rear With Storage Package, 60/40 Folding Bench
License Plate Front Mounting Package
Entertainment Package, Rear Seat DVD Player
Gooseneck/5th Wheel Prep Package
(1)
X31 Off-Road and Protection Package
Heavy Duty Front Spring Package
SLE Fleet Convenience Package
EZ-Lift Tailgate Package
Ambulance/Fire/Rescue Package
Sierra HD Pro Safety Plus Package
Texas Edition
Driver Alert Package II
SLE Heated Package
Heavy Duty Front Spring/Camper Package
X31 Off-Road Package
LPO, Black Badging Package
Remote Start Package
Skid Plate Package, Frame-Mounted Shields
Suspension Package, Off-Road
(1)
Snow Plow Prep Pkg
SLE Heat Package
Heavy-Duty Power Package
Driver Alert Package I
Gooseneck/5TH Wheel Prep Package -- Hitch Platform to Accept Gooseneck or Fifth Wheel Hitch.
Z71 Off-Road Package
LPO, Hitch Package, Gooseneck Ball and Chain Tiedown Kit With Case
LPO, Protection Package
LPO, On The Job Package
Driver Alert Package
Snow Plow Prep/Camper Package
Gooseneck/5TH Wheel Prep Package
(1)
SLE Preferred Package
(1)
Gooseneck/5TH Wheel Package
LPO, Assist Step and Floor Liner Package
HD SLE Gas Preferred Plus Package
HD SLE Preferred Plus Package
Ambulance Package
LPO, GMC Protection Package
Skid Plate Package
Fleet Comfort Package
All-Terrain HD Package
Seat, Cloth Rear With Storage Package, 60/40 Folding Bench For Crew Cab Models
SLE Fleet Convenience Package, For Crew Cab and Double Cab
SLE1 Audio Package
Graphite Blue Metallic Edition
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
(1 selected)
New
(2)
Used
(5)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program
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New
(2)
Used
(5)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program
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Body Style
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Truck Cab Size
Crew Cab
(5)
Extended Cab
(0)
Regular Cab
(0)
Crew Cab
(5)
Extended Cab
(0)
Regular Cab
(0)
Truck Bed Length
Short
(0)
Medium
(1)
Long
(4)
Include unspecified lengths
(0)
Short
(0)
Medium
(1)
Long
(4)
Include unspecified lengths
(0)
Vehicle History
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Features
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Fuel Economy
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Transmission
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Cylinders
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Engine Displacement
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Number of Seats
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Number of Doors
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Purchase Options
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It looks like this GMC Sierra 3500 has already found a new home.
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New 2026 GMC Sierra 3500 SLE
69,560
MSRP
$75,810
Similar Match
75
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Used
2026 GMC Sierra 3500
SLE
15K mi
80,000
See payment
No Accidents
Price Drop
Used
2013 GMC Sierra 3500
SLE
134K mi
18,890
See payment
Used
2020 GMC Sierra 3500
SLE
69K mi
41,476
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)
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Trade-In Value
$0
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Based on 4.5% APR for mos.
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Search Available Cars
Used
2026 GMC Sierra 3500
SLE
15K mi
80,000
See payment
No Accidents
Used
2003 GMC Sierra 3500
SLE
46K mi
41,999
See payment
No Accidents
Consider Buying New
2026 GMC Sierra 3500
Denali Ultimate
4 mi
103,080
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Used
2008 GMC Sierra 3500
SLE
204K mi
19,248
See payment
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