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Sierra 1500

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

Used 2023 GMC Sierra 1500 SLT w/ X31 Off-Road Package Ephrata PA 17522

Automatic

6-Cylinder Turbo

Diesel

Certified

SLT Premium Package

Certified 2021 GMC Sierra 1500 SLT w/ SLT Premium Package

Certified 2021 GMC Sierra 1500 SLT w/ SLT Premium Package Easton PA 18045

Preferred Package

New 2025 GMC Sierra 1500 Elevation w/ Preferred Package

New 2025 GMC Sierra 1500 Elevation w/ Preferred Package Eynon PA 18403

Elevation

Certified 2023 GMC Sierra 1500 Denali

Certified 2023 GMC Sierra 1500 Denali Easton PA 18045

Denali

Technology Package

Certified 2023 GMC Sierra 1500 Denali w/ Technology Package

Certified 2023 GMC Sierra 1500 Denali w/ Technology Package Easton PA 18045

AT4 Premium Package

Certified 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Certified 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package Sellersville PA 18960

4-Cylinder Turbo

New 2025 GMC Sierra 1500 Elevation

New 2025 GMC Sierra 1500 Elevation Shillington PA 19607

Used 2023 GMC Sierra 1500 Elevation

Used 2023 GMC Sierra 1500 Elevation Phillipsburg NJ 08865

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package Easton PA 18045

Used 2025 GMC Sierra 1500 Denali

Used 2025 GMC Sierra 1500 Denali Easton PA 18045

Used 2024 GMC Sierra 1500 Elevation

Used 2024 GMC Sierra 1500 Elevation Reading PA 19607

New 2025 GMC Sierra 1500 SLE w/ Preferred Package

New 2025 GMC Sierra 1500 SLE w/ Preferred Package Eynon PA 18403

Used 2024 GMC Sierra 1500 Elevation Eynon PA 18403

Used 2022 GMC Sierra 1500 Elevation

Used 2022 GMC Sierra 1500 Elevation Eynon PA 18403

Driver Alert Package II

Used 2019 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used 2019 GMC Sierra 1500 AT4 w/ AT4 Premium Package Warminster PA 18974

SLT Preferred Package

Max Trailering Package

New 2025 GMC Sierra 1500 SLT w/ SLT Premium Package

New 2025 GMC Sierra 1500 SLT w/ SLT Premium Package Eynon PA 18403

Denali Ultimate Package

Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package

Used 2021 GMC Sierra 1500 Denali w/ Denali Ultimate Package Easton PA 18045

Certified 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package

Certified 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package Fleetwood PA 19522

Used 2023 GMC Sierra 1500 Denali

Used 2023 GMC Sierra 1500 Denali Eynon PA 18403

Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Package Eynon PA 18403

Used 2024 GMC Sierra 1500 SLT

Used 2024 GMC Sierra 1500 SLT Fleetwood PA 19522

Used 2022 GMC Sierra 1500 Denali

Used 2022 GMC Sierra 1500 Denali Quakertown PA 18951

AT4 Preferred Package

Driver Alert Package I

Used 2021 GMC Sierra 1500 AT4 w/ Technology Package

Used 2021 GMC Sierra 1500 AT4 w/ Technology Package Eynon PA 18403

Certified 2020 GMC Sierra 1500 SLT w/ SLT Premium Package

Certified 2020 GMC Sierra 1500 SLT w/ SLT Premium Package Doylestown PA 18902

Denali Reserve Package

Certified 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package

Certified 2023 GMC Sierra 1500 Denali w/ Denali Reserve Package Easton PA 18045

Used 2023 GMC Sierra 1500 Elevation Quakertown PA 18951

New 2026 GMC Sierra 1500 Elevation

New 2026 GMC Sierra 1500 Elevation Eynon PA 18403

Used 2024 GMC Sierra 1500 Denali Ultimate

Used 2024 GMC Sierra 1500 Denali Ultimate Stroudsburg PA 18360

Denali Ultimate

Used 2022 GMC Sierra 1500 AT4

Used 2022 GMC Sierra 1500 AT4 Ewing NJ 08638

LPO, Elevation Black Package

Certified 2021 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package

Certified 2021 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package Doylestown PA 18902

New 2026 GMC Sierra 1500 SLT w/ SLT Premium Package

New 2026 GMC Sierra 1500 SLT w/ SLT Premium Package Eynon PA 18403

All Terrain Slt Crew Cab "Plus" Package

All-Terrain Package

Used 2015 GMC Sierra 1500 SLT

Used 2015 GMC Sierra 1500 SLT Easton PA 18045

Pro Value Package

New 2025 GMC Sierra 1500 Pro w/ Pro Value Package

New 2025 GMC Sierra 1500 Pro w/ Pro Value Package Eynon PA 18403

SLT Premium Plus Package

LPO, GMC Protection Package

Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Plus Package Hazle Township PA 18202

Graphite Edition

Used 2023 GMC Sierra 1500 Pro w/ Graphite Edition

Used 2023 GMC Sierra 1500 Pro w/ Graphite Edition Ephrata PA 17522

Used 2020 GMC Sierra 1500 Denali

Used 2020 GMC Sierra 1500 Denali Hatfield PA 19440

Used 2023 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2023 GMC Sierra 1500 SLT w/ SLT Premium Package Eynon PA 18403

Elevation Edition

Used 2018 GMC Sierra 1500 4x4 Double Cab w/ Elevation Edition

Used 2018 GMC Sierra 1500 4x4 Double Cab w/ Elevation Edition Hazle Township PA 18202

4x4 Double Cab

Used 2023 GMC Sierra 1500 Elevation Hatfield PA 19440

Suspension Package, Off-Road

Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package Quakertown PA 18951

Geoff Penske GMC

EYNON GMC

Philadelphia

Used Cars for Sale

Test drive Used GMC Sierra 1500 at home in Allentown, PA. Search from 306 Used GMC Sierra 1500 cars for sale, including a  2013 GMC Sierra 1500 SLE, a  2018 GMC Sierra 1500 4x4 Double Cab, and a  2018 GMC Sierra 1500 SLT ranging in price from $4,995 to $76,995.

Used GMC Sierra 1500 for Sale in Allentown, PA - 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 306 GMC Sierra 1500 for sale, including a Certified 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package, a Certified 2020 GMC Sierra 1500 SLT w/ SLT Premium Package, and a Certified 2021 GMC Sierra 1500 SLT w/ SLT Premium Package ranging in price from $4,995 to $76,995.

Autotrader has 306 GMC Sierra 1500 for sale near Allentown, PA, including a Certified 2020 GMC Sierra 1500 Denali w/ Denali Ultimate Package, a Certified 2020 GMC Sierra 1500 SLT w/ SLT Premium Package, and a Certified 2021 GMC Sierra 1500 SLT w/ SLT Premium Package ranging in price from $4,995 to $76,995.

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Used GMC Sierra 1500 for Sale in Allentown, PA

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Used 2019 GMC Sierra 1500 SLT w/ SLT Premium Package

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