(opens in new window)
Sign In
Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
Research & Tools
Helpful Links
Find Local Dealers
Best Car Deals
Best Truck Deals
Best SUV Deals
Buy Cars Online
Car Research & News
Research & Information
New & Future Models
Trim Comparisons
Car Buying Tools
Buying & Selling Tips
Car Payment Calculator
Affordability Calculator
Car Lease Calculator
See if you can save on car insurance on KBB.com
Get a Kelley Blue Book® Instant Cash Offer
Run a free AutoCheck Vehicle History Report with Experian
AI Mode
Beta
Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
Research & Tools
AI Mode
Beta
Ask Autotrader
Car shop through live conversation
Car shop through live conversation.
Ask Autotrader
Location & Delivery
50 Miles
Distance
ZIP Code
Include all deliverable cars
50 Miles
Distance
ZIP Code
Include all deliverable cars
Year
Min Year
2021
Max Year
2021
Min Year
2021
Max Year
2021
Price & Payments
Price selected
Price
Payment
Min Price
Max Price
Price Rating
Good Price
(0)
Great Price
(0)
Transparent Pricing
Only show listings with dealer fees included
(0)
Price selected
Price
Payment
Min Price
Max Price
Price Rating
Good Price
(0)
Great Price
(0)
Transparent Pricing
Only show listings with dealer fees included
(0)
Make, Model & Trim
GMC
Models
Sierra 3500
Acadia
(4)
Caballero
Canyon
(3)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
Savana 2500
Savana 3500
Savana 4500
Sierra 1500
(9)
Sierra 2500
(1)
Sierra 3500
(2)
Sierra EV
Sonoma
Suburban
Syclone
Terrain
TopKick C4500
TopKick C5500
Typhoon
Yukon
(10)
Yukon XL
(5)
Sierra 3500 Trims
SLE
AT4
(1)
Classic SL
Classic SLE
Classic W/T
Denali
(1)
Denali Ultimate
Pro
SL
SLE
SLT
W/T
SLE Package
Any
Onstar Plus Package
SLE Value Package
SLE Convenience Package
LPO, Hitch Package
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
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
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
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
SLE Preferred Package
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
(4)
Caballero
Canyon
(3)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
Savana 2500
Savana 3500
Savana 4500
Sierra 1500
(9)
Sierra 2500
(1)
Sierra 3500
(2)
Sierra EV
Sonoma
Suburban
Syclone
Terrain
TopKick C4500
TopKick C5500
Typhoon
Yukon
(10)
Yukon XL
(5)
Sierra 3500 Trims
SLE
AT4
(1)
Classic SL
Classic SLE
Classic W/T
Denali
(1)
Denali Ultimate
Pro
SL
SLE
SLT
W/T
SLE Package
Any
Onstar Plus Package
SLE Value Package
SLE Convenience Package
LPO, Hitch Package
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
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
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
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
SLE Preferred Package
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
Min
–
Selected mileage range
Max
Mileage
Min
–
Selected mileage range
Max
Condition
(1 selected)
New
(0)
Used
(0)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program
Learn more
New
(0)
Used
(0)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program
Learn more
Color
Loading...
Drive Type
Loading...
Body Style
Loading...
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
(0)
Long
(0)
Include unspecified lengths
(0)
Short
(0)
Medium
(0)
Long
(0)
Include unspecified lengths
(0)
Vehicle History
Loading...
Features
Loading...
Fuel Type
Loading...
Fuel Economy
Loading...
Transmission
Loading...
Cylinders
Loading...
Engine Displacement
Loading...
Number of Seats
Loading...
Number of Doors
Loading...
Purchase Options
Seller Type
Loading...
Used 2021 GMC Sierra 3500 SLE for Sale Near Me
in Rosedale, MD
Change location
Filters (5)
Save Search
|
Clear Filters
Items 1 to 2 of 4.
Used
GMC
Sierra 3500
SLE
2021 - 2021
Chevrolet
(135)
Honda
(82)
Sierra 1500
(9)
It looks like this GMC Sierra 3500 has already found a new home.
Check out other great options we've picked for you.
Sponsored by Koons Chevrolet GMC Clarksville
Hide
Newly Listed
Used 2026 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package
79,800
See estimated payment
Dealer Fees Included
Similar Match
Koons Chevrolet GMC Clarksville
(443) 583-4119
Check Availability
152
View Vehicles
0 Matches
Sort by Relevance
Consider Buying New
2026 GMC Sierra 3500
Pro
1 mi
56,520
You've cruised through matches within 50 miles.
Update your search distance
Radius
50 Miles
You have reached the maximum results allowed for a search. Please update your search criteria.
View Nationwide Inventory
Used Cars for Sale
GMC
Sierra 3500
SLE
2021
<!--{"relevance":[true,{"relevanceVersion":"relevance-v5"}],"cypress_e2e":[false,{}],"cypressE2e":[false,{}]}-->
2021 GMC Sierra 3500 SLE
Pricing
FAQs
2021 GMC Sierra 3500 Price by Trim -
Prices are based on actual listings found on Autotrader for each trim.
2021 GMC Sierra 3500 AT4
: $53,500 Average Price
2021 GMC Sierra 3500 Denali
: $46,500 Average Price
See More
What is the legroom of 2021 GMC Sierra 3500 SLE?
Front: 44.53 in. of legroom
Rear: Information Unavailable of legroom
See More
Learn more
