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Sierra 2500

Used 2024 GMC Sierra 2500 Denali Ultimate

Used 2024 GMC Sierra 2500 Denali Ultimate Naugatuck CT 06770

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Used 2019 GMC Sierra 2500 SLT w/ Duramax Plus Package

Used 2019 GMC Sierra 2500 SLT w/ Duramax Plus Package Waterbury CT 06708

Denali Reserve Package

Gooseneck/5th Wheel Prep Package

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New 2025 GMC Sierra 2500 Denali w/ Denali Reserve Package

New 2025 GMC Sierra 2500 Denali w/ Denali Reserve Package Saunderstown RI 02874

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Used 2024 GMC Sierra 2500 Denali

Used 2024 GMC Sierra 2500 Denali Watertown CT 06798

New 2025 GMC Sierra 2500 Denali Ultimate

New 2025 GMC Sierra 2500 Denali Ultimate Saunderstown RI 02874

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AT4 Preferred Package

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Driver Alert Package II

Used 2020 GMC Sierra 2500 AT4 w/ Technology Package

Used 2020 GMC Sierra 2500 AT4 w/ Technology Package Watertown CT 06798

Fullsize Regular Cab

Convenience Package

New 2025 GMC Sierra 2500 Pro w/ Convenience Package

New 2025 GMC Sierra 2500 Pro w/ Convenience Package Mystic CT 06355

SLT Premium Package

X31 Off-Road and Protection Package

New 2025 GMC Sierra 2500 SLT w/ SLT Premium Package

New 2025 GMC Sierra 2500 SLT w/ SLT Premium Package Bristol CT 06010

Used 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package Watertown CT 06798

Flexible Fuel

Snow Plow Prep Package

Gooseneck/5TH Wheel Prep Package

Suspension Package, Off-Road

Used 2018 GMC Sierra 2500 SLT w/ Snow Plow Prep Package

Used 2018 GMC Sierra 2500 SLT w/ Snow Plow Prep Package Middletown CT 06457

Used 2017 GMC Sierra 2500 Denali w/ Duramax Plus Package

Used 2017 GMC Sierra 2500 Denali w/ Duramax Plus Package Mount Sinai NY 11766

Used 2018 GMC Sierra 2500 Denali w/ Duramax Plus Package

Used 2018 GMC Sierra 2500 Denali w/ Duramax Plus Package Naugatuck CT 06770

Used 2023 GMC Sierra 2500 Denali

Used 2023 GMC Sierra 2500 Denali Waterbury CT 06708

SLE Preferred Package

LPO, On The Job Package

Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package

Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package Waterbury CT 06708

AT4 Premium Plus Package

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Saunderstown RI 02874

New 2026 GMC Sierra 2500 Denali Ultimate

New 2026 GMC Sierra 2500 Denali Ultimate Saunderstown RI 02874

New 2026 GMC Sierra 2500 Denali w/ Denali Reserve Package

New 2026 GMC Sierra 2500 Denali w/ Denali Reserve Package Saunderstown RI 02874

Used 2017 GMC Sierra 2500 SLE

Used 2017 GMC Sierra 2500 SLE East Hartford CT 06108

Used 2017 GMC Sierra 2500 HD Double Cab SLE Pickup 4D 6 1/2 ft

HD SLE Preferred Plus Package

Used 2017 GMC Sierra 2500 SLE w/ HD SLE Preferred Plus Package

Used 2017 GMC Sierra 2500 SLE w/ HD SLE Preferred Plus Package Bedford NY 10506

Used 2024 GMC Sierra 2500 Denali Ultimate w/ Snow Plow Prep/Camper Package

Used 2024 GMC Sierra 2500 Denali Ultimate w/ Snow Plow Prep/Camper Package Watertown CT 06798

Denali Ultimate Package

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package South Windsor CT 06074

New 2026 GMC Sierra 2500 Denali

New 2026 GMC Sierra 2500 Denali Saunderstown RI 02874

Used 2022 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used 2022 GMC Sierra 2500 AT4 w/ AT4 Preferred Package Mystic CT 06355

Used 2019 GMC Sierra 2500 SLT w/ Duramax Plus Package Mystic CT 06355

SLE Convenience Package

Used 2019 GMC Sierra 2500 SLE w/ SLE Preferred Package

Used 2019 GMC Sierra 2500 SLE w/ SLE Preferred Package Naugatuck CT 06770

Gooseneck/5TH Wheel Package

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package Naugatuck CT 06770

Used 2022 GMC Sierra 2500 SLE w/ SLE Convenience Package

Used 2022 GMC Sierra 2500 SLE w/ SLE Convenience Package Danbury CT 06810

Used 2024 GMC Sierra 2500 AT4X

Used 2024 GMC Sierra 2500 AT4X Pawling NY 12564

AT4X

Used 2024 GMC Sierra 2500 Denali w/ Technology Package

Used 2024 GMC Sierra 2500 Denali w/ Technology Package Mystic CT 06355

LPO, GMC Protection Package

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package Mystic CT 06355

Used 2015 GMC Sierra 2500 SLT

Used 2015 GMC Sierra 2500 SLT New Britain CT 06051

Used 2023 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used 2023 GMC Sierra 2500 AT4 w/ AT4 Preferred Package East Hartford CT 06108

Stephen GMC

Brustolon GMC

Paul Masse GMC South

Hartford and New Haven

Used Cars for Sale

Test drive Used GMC Sierra 2500 at home in Branford, CT. Search from 70 Used GMC Sierra 2500 cars for sale, including a  2006 GMC Sierra 2500 W/T, a  2013 GMC Sierra 2500 SLE, and a  2015 GMC Sierra 2500 4x4 Double Cab ranging in price from $5,750 to $84,799.

Used GMC Sierra 2500 for Sale in Branford, CT - Autotrader

The GMC Sierra 2500 is an intriguing mix of heavy-hitting workhorse and glitzy luxury. With powerful <a href="https://www.autotrader.com/cars-for-sale/diesel/gmc/sierra-2500" target="_blank">diesel</a> or <a href="https://www.autotrader.com/cars-for-sale/gasoline/gmc/sierra-2500" target="_blank">gasoline</a> powertrain options, the Sierra 2500 has immense towing and hauling capacity. The 2500 has well-mannered on-road handling and is equally at home on a dirt ranch road.  The configurations with the Sierra 2500 are nearly endless, with multiple cab sizes, bed lengths, and an array of powertrain choices. Some of the popular Sierra 2500 trims include the <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-2500/at4" target="_blank">AT4</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-2500/denali" target="_blank">Denali</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-2500/denali-ultimate" target="_blank">Denali Ultimate</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-2500/sle" target="_blank">SLE</a>, and <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-2500/slt" target="_blank">SLT</a>. Even with fierce competition in the heavy-duty pickup segment, the GMC Sierra 2500 still makes waves. With powerful towing capabilities, a luxurious interior, and refined on-road driving, the Sierra 2500 is a rewarding heavy-duty truck.  

Used GMC Sierra 2500 for Sale Under $30,000

Used GMC Sierra 2500 for Sale Under $20,000

Used GMC Sierra 2500 for Sale Under $15,000

Used GMC Sierra 2500 for Sale Under $5,000

Used GMC Sierra 2500 for Sale Under $25,000

Used GMC Sierra 2500 for Sale Under $10,000

Search from 70 GMC Sierra 2500 for sale, including a Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package, a Used 2015 GMC Sierra 2500 SLT, and a Used 2017 GMC Sierra 2500 Denali w/ Duramax Plus Package ranging in price from $5,750 to $84,799.

Autotrader has 70 GMC Sierra 2500 for sale near Branford, CT, including a Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package, a Used 2015 GMC Sierra 2500 SLT, and a Used 2017 GMC Sierra 2500 Denali w/ Duramax Plus Package ranging in price from $5,750 to $84,799.

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Used GMC Sierra 2500 for Sale in Branford, CT

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New 2026 GMC Sierra 2500 Denali w/ Denali Reserve Package

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