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Used

Sierra 1500

Texas Edition SLT Premium Package

SLT Preferred Package

Driver Alert Package I

Get AutoCheck Vehicle History

Used 2020 GMC Sierra 1500 SLT

Used 2020 GMC Sierra 1500 SLT Fontana CA 92335

Automatic

Fullsize Regular Cab

Pro Value Package

New 2025 GMC Sierra 1500 Pro w/ Pro Value Package

New 2025 GMC Sierra 1500 Pro w/ Pro Value Package Tustin CA 92782

AWD4WD

4-Cylinder Turbo

LPO, Elevation Black Package

X31 Off-Road Package

New 2025 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package

New 2025 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package Tustin CA 92782

Elevation

Used 2021 GMC Sierra 1500 SLE w/ Driver Alert Package I

Used 2021 GMC Sierra 1500 SLE w/ Driver Alert Package I Fontana CA 92335

6-Cylinder Turbo

Diesel

Denali Premium Package

Driver Alert Package II

Used 2022 GMC Sierra 1500 Denali w/ Denali Premium Package

Used 2022 GMC Sierra 1500 Denali w/ Denali Premium Package San Bernardino CA 92408

Denali

SLT Crew Cab Premium Plus Package

Used 2018 GMC Sierra 1500 SLT

Used 2018 GMC Sierra 1500 SLT Montclair CA 91763

X31 Off-Road and Protection Package

SLT Convenience Package

Used 2022 GMC Sierra 1500 SLT

Used 2022 GMC Sierra 1500 SLT Tustin CA 92782

Used 2025 GMC Sierra 1500 Elevation

Used 2025 GMC Sierra 1500 Elevation Riverside CA 92504

Used 2025 GMC Sierra 1500 Elevation Tustin CA 92782

Used 2024 GMC Sierra 1500 AT4X

Used 2024 GMC Sierra 1500 AT4X City Of Industry CA 91748

AT4X

Technology Package

AT4 Preferred Package

Used 2021 GMC Sierra 1500 AT4 w/ Technology Package

Used 2021 GMC Sierra 1500 AT4 w/ Technology Package City Of Industry CA 91748

Elevation Value Package

Max Trailering Package

Used 2020 GMC Sierra 1500 Elevation w/ Elevation Value Package

Used 2020 GMC Sierra 1500 Elevation w/ Elevation Value Package Fontana CA 92335

Trailer Camera Package

Used 2019 GMC Sierra 1500 Denali w/ Trailer Camera Package

Used 2019 GMC Sierra 1500 Denali w/ Trailer Camera Package Tustin CA 92782

Preferred Package

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package Riverside CA 92504

Third-Party Certified

LPO, Cargo Convenience 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 2023 GMC Sierra 1500 Elevation w/ Preferred Package

Used 2023 GMC Sierra 1500 Elevation w/ Preferred Package Fontana CA 92335

Used 2023 GMC Sierra 1500 SLT

Used 2023 GMC Sierra 1500 SLT Riverside CA 92504

Used 2022 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package

Used 2022 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package Tustin CA 92782

Denali Reserve Package

LPO, Denali Illumination Package

Used 2022 GMC Sierra 1500 Denali w/ Denali Reserve Package

Used 2022 GMC Sierra 1500 Denali w/ Denali Reserve Package Tustin CA 92782

Used 2025 GMC Sierra 1500 Elevation Ontario CA 91761

Denali Reserve Super Cruise Package

Denali Carbonpro Edition

Used 2023 GMC Sierra 1500 Denali

Used 2023 GMC Sierra 1500 Denali Ontario CA 91710

Used 2021 GMC Sierra 1500 Crew Cab AT4 Pickup 4D 5 3/4 ft

AT4 Value Package

AT4 Carbonpro Edition

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package Corona CA 92880

Used 2024 GMC Sierra 1500 SLT

Used 2024 GMC Sierra 1500 SLT Chino CA 91710

Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package

Used 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package Tustin CA 92782

Used 2022 GMC Sierra 1500 Limited Crew Cab Denali Pickup 4D 5 3/4 ft

LPO, GMC Protection Package

Used 2022 GMC Sierra 1500 Denali w/ Denali Reserve Package Corona CA 92882

SLT Premium Package

Used 2020 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2020 GMC Sierra 1500 SLT w/ SLT Premium Package Tustin CA 92782

Used 2023 GMC Sierra 1500 Elevation w/ X31 Off-Road Package

Used 2023 GMC Sierra 1500 Elevation w/ X31 Off-Road Package Corona CA 92882

New 2026 GMC Sierra 1500 Elevation

New 2026 GMC Sierra 1500 Elevation West Covina CA 91791

Used 2019 GMC Sierra 1500 AT4

Used 2019 GMC Sierra 1500 AT4 Fontana CA 92335

Used 2016 GMC Sierra 1500 Regular Cab Pickup 2D 8 ft

Sierra Fleet Convenience Package

Used 2016 GMC Sierra 1500 2WD Regular Cab

Used 2016 GMC Sierra 1500 2WD Regular Cab Riverside CA 92504

2WD Regular Cab

Used 2018 GMC Sierra 1500 Denali

Used 2018 GMC Sierra 1500 Denali Duarte CA 91010

Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package Claremont CA 91711

Used 2022 GMC Sierra 1500 SLT w/ SLT Convenience Package

Used 2022 GMC Sierra 1500 SLT w/ SLT Convenience Package Norco CA 92860

Used 2024 GMC Sierra 1500 Elevation

Used 2024 GMC Sierra 1500 Elevation City Of Industry CA 91748

Fullsize Extended Cab

Used 2003 GMC Sierra 1500 Extended Cab SLE Pickup 4D 6 1/2 ft

Professional Package

Used 2003 GMC Sierra 1500 SLE w/ Professional Package

Used 2003 GMC Sierra 1500 SLE w/ Professional Package Chino Hills CA 91709

Used 2023 GMC Sierra 1500 Denali Tustin CA 92782

Toyota of San Bernardino

Tustin Buick GMC

Reynolds GMC

Los Angeles

Used Cars for Sale

Test drive Used GMC Sierra 1500 at home in Ontario, CA. Search from 149 Used GMC Sierra 1500 cars for sale, including a  2003 GMC Sierra 1500 SLE, a  2016 GMC Sierra 1500 2WD Regular Cab, and a  2018 GMC Sierra 1500 Denali ranging in price from $6,200 to $70,995.

Used GMC Sierra 1500 for Sale in Ontario, CA - Autotrader

A capable full-size half-ton pickup, the GMC Sierra 1500 blends luxury and durability. The Sierra 1500 is a contender in the pickup truck segment with significant hauling and towing capacity, giving General Motors a consistent best-seller.  The GMC Sierra is a corporate cousin to the <a href="https://www.autotrader.com/cars-for-sale/chevrolet/silverado-1500" target="_blank">Chevrolet Silverado</a>. This light-duty pickup comes in many trim levels (<a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/at4" target="_blank">AT4</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/at4x" target="_blank">AT4X</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/elevation" target="_blank">Elevation</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/sle" target="_blank">SLE</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/slt" target="_blank">SLT</a>, and others) and powertrain options, including the popular and luxurious <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/denali" target="_blank">Denali</a> and <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/denali-ultimate" target="_blank">Denali Ultimate</a>. A reputable and capable truck, the Sierra 1500 is a workhorse that travels in its own herd. Our editors have consistently named the Sierra 1500 to numerous "best truck" lists including one of the best new vehicles of 2019.

<ul>
    <li>4th - <a href="https://www.autotrader.com/car-shopping/best-used-pickups-under-15000" target="_blank"> Best Used Trucks on a $15,000 Budget </a> (2012 model year)</li> 
    <li><a href="https://www.autotrader.com/comparisons/2024-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2024 GMC Sierra 1500: Choosing the Right Trim</a></li>
    <li><a href="https://www.autotrader.com/comparisons/2023-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2023 GMC Sierra 1500: Choosing the Right Trim</a></li>
    <li><a href="https://www.autotrader.com/comparisons/2022-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2022 GMC Sierra 1500: Choosing the Right Trim</a> (Sierra 1500 Pro, SLE, Elevation, SLT, AT4, AT4X, Denali, and Denali Ultimate trims)</li>
    <li><a href="https://www.autotrader.com/comparisons/2021-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2021 GMC Sierra 1500: Choosing the Right Trim</a> (Sierra 1500 base, SLT, SLE, AT4, Elevation, and Denali trims)</li>
</ul>

Used GMC Sierra 1500 for Sale Under $20,000

Used GMC Sierra 1500 Vehicles with AWD/4WD for Sale

Used GMC Sierra 1500 for Sale Under $10,000

Used GMC Sierra 1500 for Sale Under $15,000

Used GMC Sierra 1500 for Sale Under $25,000

Search from 149 GMC Sierra 1500 for sale, including a Used 2003 GMC Sierra 1500 SLE w/ Professional Package, a Used 2016 GMC Sierra 1500 2WD Regular Cab, and a Used 2018 GMC Sierra 1500 Denali ranging in price from $6,200 to $70,995.

Autotrader has 149 GMC Sierra 1500 for sale near Ontario, CA, including a Used 2003 GMC Sierra 1500 SLE w/ Professional Package, a Used 2016 GMC Sierra 1500 2WD Regular Cab, and a Used 2018 GMC Sierra 1500 Denali ranging in price from $6,200 to $70,995.

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Used GMC Sierra 1500 for Sale in Ontario, CA

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Used 2020 GMC Sierra 1500 SLT w/ SLT Premium Package

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