John Elway Chevrolet

Phil Long Ford Denver

Berkenkotter Motors

O'Meara GMC

Spider

Truck

AWD4WD

8-Cylinder Turbo

Diesel

Third-Party Certified

Used

Sierra 3500

Denali Ultimate Package

Gooseneck/5TH Wheel Package

<div class="text-bold text-default margin-top-3 col-xs-12 margin-bottom-5">Confidence at Every Turn.</div><div class="col-xs-12"><ul><li>139-Point Inspection by Factory-Trained Technicians</li><li>90-Day/4,000-Mile (whichever comes first) Comprehensive Warranty¹</li><li>Nationwide Dealer Network for Service and Accessories</li><li>Complimentary 24/7 Roadside Assistance²</li><li>CARFAX® Vehicle History Report³</li><li>11,000 FordPass™ Rewards Points⁴ to Use Toward Your First Maintenance Visit</li></ul><p>Exceptional Coverage Comes Standard.</p></div><div class="margin-top-4 text-size-200 text-subdued col-xs-12"><div class="padding-bottom-4">Disclaimer</div><div class="text-size-100"><sup>1</sup> See your dealer for warranty coverage details.</br><sup>2</sup> See your dealer for coverage details. Roadside Assistance is included for certain owners and available to everyone for a per-service fee. Ford reserves the right to change program details without obligations.</br><sup>3</sup> CARFAX® is a registered trademark of CARFAX® Inc.<br/><sup>4</sup> FordPass App, compatible with select smartphone platforms, is available via a download. Message and data rates may apply.</div></div>

Ford Blue Advantage - Blue Certified

Get AutoCheck Vehicle History

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Littleton CO 80123

Automatic

Denali

Fullsize Crew Cab

AT4 Premium Package

Technology Package

Driver Alert Package II

LPO, Hitch Package

Used 2020 GMC Sierra 3500 AT4 w/ AT4 Premium Package

Used 2020 GMC Sierra 3500 AT4 w/ AT4 Premium Package Englewood CO 80113

LPO, GMC Protection Package

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Brighton CO 80603

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Denver CO 80234

Denver

Cars for Sale

2020

GMC Sierra 3500 cars for sale, including a Used 2020 GMC Sierra 3500 AT4 and a Used 2020 GMC Sierra 3500 Denali ranging in price from $42,400 to $50,151.

Search from 4 GMC Sierra 3500 for sale, including a Used 2020 GMC Sierra 3500 AT4 w/ AT4 Premium Package and a Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package ranging in price from $42,400 to $50,151.

Autotrader has 4 GMC Sierra 3500 for sale near Denver, CO, including a Used 2020 GMC Sierra 3500 AT4 w/ AT4 Premium Package and a Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package ranging in price from $42,400 to $50,151.

bodyStyleSubtypeCode

dealType

doorCode

driveGroup

endYear

engineCode

engineDisplacement

extColorSimple

featureCode

Exterior Features

Technology Features

Interior Features

Safety Features

fuelTypeGroup

homeServices

intColorSimple

keywordPhrases

listingType

location

Location & Delivery

makeCode

marketExtension

Include all deliverable cars

maxPrice

maximumSeating

mileage

minPrice

modelCode|GMC

mpgRange

priceRange

productTypes

searchRadius

sellerType

startYear

transmissionCode

trimCode|GMC3500PU

truckBedLength

vehicleExchange

vehicleHistoryType

vehicleStyleCode

vehicleType

vehicleUseType

yearRange

2020 GMC Sierra 3500 For Sale in Fort Collins

AWD/4WD

Enter your mobile number to receive text alerts for your saved searches.

To make it easy, we send text alerts using an automatic dialing system. Of course, you don't have to sign up for these text alerts to receive Autotrader services.

2020 GMC Sierra 3500 for Sale in Denver, CO

Location & Delivery

Price & Payments

Make, Model & Trim

Mileage

Condition

Color

Drive Type

Body Style

Truck Cab Size

Truck Bed Length

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Purchase Options

Seller Type

4 Matches

2020 GMC Sierra 3500

2020 GMC Sierra 3500

2020 GMC Sierra 3500

Find it Fast.

Keep it Affordable.

$

2020 GMC Sierra 3500

2020 GMC Sierra 3500 in Nearby Cities