Larry H. Miller Ford Mesa

Bill Luke Chrysler Jeep Dodge RAM

Carz Planet

Liberty GMC

Yates Buick GMC

Van Chevrolet AZ

AutoNation USA Phoenix

Rollit Motors

Bill Luke Santan

Sullivan Motor Company Inc.

Lifted Trucks Scottsdale

Garrett Chevrolet

Courtesy Chevrolet AZ

Spider

Fullsize Regular Cab

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8-Cylinder Turbo

Diesel

Sierra 3500

Gooseneck/5TH Wheel Prep Package

Convenience Package

New 2024 GMC Sierra 3500 Pro

New 2024 GMC Sierra 3500 Pro Gilbert AZ 85297

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New 2024 GMC Sierra 3500 SLE w/ SLE Value Package

New 2024 GMC Sierra 3500 SLE w/ SLE Value Package Gilbert AZ 85297

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New 2024 GMC Sierra 3500 Pro w/ Fleet Convenience Package

New 2024 GMC Sierra 3500 Pro w/ Fleet Convenience Package Gilbert AZ 85297

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Used 2020 GMC Sierra 3500 Denali w/ Technology Package

Used 2020 GMC Sierra 3500 Denali w/ Technology Package Phoenix AZ 85015

Denali

Driver Alert Package I

X31 Off-Road Package

Used 2020 GMC Sierra 3500 SLT w/ Gooseneck/5TH Wheel Package

Used 2020 GMC Sierra 3500 SLT w/ Gooseneck/5TH Wheel Package Scottsdale AZ 85257

New 2025 GMC Sierra 3500 Pro w/ Convenience Package

New 2025 GMC Sierra 3500 Pro w/ Convenience Package Gilbert AZ 85297

New 2025 GMC Sierra 3500 Denali Ultimate

New 2025 GMC Sierra 3500 Denali Ultimate Good Year AZ 85338

Denali Ultimate

LPO, Hitch Package

Used 2024 GMC Sierra 3500 SLT

Used 2024 GMC Sierra 3500 SLT Gilbert AZ 85297

Used 2020 GMC Sierra 3500 AT4

Used 2020 GMC Sierra 3500 AT4 Good Year AZ 85338

Used 2022 GMC Sierra 3500 Denali

Used 2022 GMC Sierra 3500 Denali Gilbert AZ 85297

Third-Party Certified

Denali Ultimate 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

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Mesa AZ 85204

Used 2020 GMC Sierra 3500 Denali

Used 2020 GMC Sierra 3500 Denali Peoria AZ 85382

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Mesa AZ 85203

AT4 Preferred Package

Driver Alert Package II

Used 2023 GMC Sierra 3500 AT4 w/ AT4 Preferred Package

Used 2023 GMC Sierra 3500 AT4 w/ AT4 Preferred Package Gilbert AZ 85297

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Phoenix AZ 85014

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Gilbert AZ 85297

Used 2020 GMC Sierra 3500 Denali w/ Technology Package Scottsdale AZ 85260

Used 2020 GMC Sierra 3500 4x4 Crew Cab w/ Gooseneck/5TH Wheel Package

Used 2020 GMC Sierra 3500 4x4 Crew Cab w/ Gooseneck/5TH Wheel Package Mesa AZ 85202

4x4 Crew Cab

LPO, Cargo Convenience Package

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Coolidge AZ 85128

Used 2020 GMC Sierra 3500 AT4 w/ Technology Package

Used 2020 GMC Sierra 3500 AT4 w/ Technology Package Scottsdale AZ 85257

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package Scottsdale AZ 85260

Used 2020 GMC Sierra 3500 SLT

Used 2020 GMC Sierra 3500 SLT Phoenix AZ 85023

Henry Brown Buick GMC

Phoenix

Cars for Sale

2020

Shop, watch video walkarounds and compare prices on 2020 GMC Sierra 3500 Trucks listings. See Kelley Blue Book pricing to get the best deal. Search from 14 GMC Trucks for sale, including a Used 2020 GMC Sierra 3500 4x4 Crew Cab, a Used 2020 GMC Sierra 3500 AT4, and a Used 2020 GMC Sierra 3500 Denali ranging in price from $52,991 to $65,995.

2020 GMC Sierra 3500 Trucks for Sale - Kelley Blue Book

Search from 14 GMC Trucks for sale, including a Used 2020 GMC Sierra 3500 4x4 Crew Cab w/ Gooseneck/5TH Wheel Package, a Used 2020 GMC Sierra 3500 AT4, and a Used 2020 GMC Sierra 3500 AT4 w/ Technology Package ranging in price from $52,991 to $65,995.

Autotrader has 14 GMC Trucks for sale near Mesa, AZ, including a Used 2020 GMC Sierra 3500 4x4 Crew Cab w/ Gooseneck/5TH Wheel Package, a Used 2020 GMC Sierra 3500 AT4, and a Used 2020 GMC Sierra 3500 AT4 w/ Technology Package ranging in price from $52,991 to $65,995.

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2020 GMC Sierra 3500 Trucks for Sale Near Me

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Used 2022 GMC Sierra 3500 Denali

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Used 2020 GMC Sierra 3500 Denali

Used 2020 GMC Sierra 3500 Denali

Used 2020 GMC Sierra 3500 AT4