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Gallagher GMC

Mike and Tony Auto Sales Inc

Blasius Pre Owned Auto Sales

Center Motors Inc

Brustolon Buick GMC Inc.

GMC of Watertown

J&M Automotive

Ingersoll Auto Of Pawling

Bob Pion Buick GMC

A Better Way Wholesale Auto

Arcari Motor Sales

Ingersoll Auto of Danbury

Cargill Chevrolet

Country Hyundai

Full Throttle Powersports LLC

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Spider

Fullsize Crew Cab

Truck

AWD4WD

8-Cylinder Turbo

Diesel

Used

Sierra 2500

Denali Ultimate Package

Technology Package

LPO, GMC Protection Package

Get AutoCheck Vehicle History

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package Tolland CT 06084

Automatic

Denali

Used 2024 GMC Sierra 2500 Denali Ultimate

Used 2024 GMC Sierra 2500 Denali Ultimate Naugatuck CT 06770

Denali Ultimate

Duramax Plus Package

Used 2019 GMC Sierra 2500 SLT w/ Duramax Plus Package

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

SLT Premium Package

X31 Off-Road and Protection Package

Gooseneck/5th Wheel Prep Package

Snow Plow Prep/Camper Package

Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package

Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package Mystic CT 06355

Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package North Haven CT 06473

8-Cylinder

Gasoline

Sierra 1500

SLT Premium Plus Package

X31 Off-Road Package

Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Plus Package North Haven CT 06473

Used 2024 GMC Sierra 2500 Denali Ultimate Pawling NY 12564

AT4 Premium Package

Driver Alert Package II

Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package North Haven CT 06473

AT4 Preferred Package

Driver Alert Package I

Used 2020 GMC Sierra 2500 AT4 w/ Technology Package

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

Midsize

Sport Utility

4-Cylinder Turbo

Terrain

Driver Convenience Package

LPO, Cargo Package

License Plate Front Mounting Package

Used 2023 GMC Terrain SLE w/ Driver Convenience Package

Used 2023 GMC Terrain SLE w/ Driver Convenience Package North Haven CT 06473

Used 2024 GMC Sierra 2500 AT4X

Used 2024 GMC Sierra 2500 AT4X Pawling NY 12564

AT4X

Flexible Fuel

Suspension Package, Off-Road

Snow Plow Prep Package

Used 2013 GMC Sierra 2500 Denali w/ Suspension Package, Off-Road

Used 2013 GMC Sierra 2500 Denali w/ Suspension Package, Off-Road Manchester CT 06040

SLE Value Package;

Sierra HD Pro Safety Plus Package

Preferred Package

New 2025 GMC Sierra 2500 SLE w/ SLE Value Package;

New 2025 GMC Sierra 2500 SLE w/ SLE Value Package; Bristol CT 06010

Fullsize

6-Cylinder

Acadia

Elevation Edition

Premium Package

LPO, Interior Protection Package

Used 2021 GMC Acadia SLT w/ Elevation Edition

Used 2021 GMC Acadia SLT w/ Elevation Edition North Haven CT 06473

New 2025 GMC Sierra 2500 SLE w/ SLE Value Package; Mystic CT 06355

Used 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

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

Used 2024 GMC Sierra 2500 AT4X Danbury CT 06810

SLT Convenience Package

Used 2022 GMC Sierra 1500 SLT

Used 2022 GMC Sierra 1500 SLT North Haven CT 06473

Used 2022 GMC Terrain SLE w/ Driver Convenience Package

Used 2022 GMC Terrain SLE w/ Driver Convenience Package North Haven CT 06473

Used 2023 GMC Sierra 2500 Denali

Used 2023 GMC Sierra 2500 Denali Waterbury CT 06708

SLE Preferred Package

Convenience 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

Used 2017 GMC Sierra 2500 SLE

Used 2017 GMC Sierra 2500 SLE East Hartford CT 06108

6-Cylinder Turbo

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package North Haven CT 06473

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

AT4 Premium Plus Package

Used 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

Used 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Mystic CT 06355

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

Denali Reserve Package

Heavy Duty Front Spring/Camper Package

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package Chicopee MA 01020

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

Yukon XL

Used 2023 GMC Yukon XL Denali Ultimate

Used 2023 GMC Yukon XL Denali Ultimate North Haven CT 06473

Sport

Convertible

Chevrolet

Camaro

Used 2011 Chevrolet Camaro LT

Used 2011 Chevrolet Camaro LT North Haven CT 06473

Used 2024 GMC Sierra 2500 Denali w/ Technology Package

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

Compact

Hatchback

4-Cylinder

Subaru

Impreza

Used 2017 Subaru Impreza 2.0i Sport

Used 2017 Subaru Impreza 2.0i Sport North Haven CT 06473

2.0i Sport

Used 2018 GMC Sierra 2500 Denali

Used 2018 GMC Sierra 2500 Denali Berlin CT 06037

Used 2015 GMC Sierra 2500 SLT

Used 2015 GMC Sierra 2500 SLT New Britain CT 06051

Stephen GMC

Mercedes-Benz of North Haven

Brustolon GMC

Hartford and New Haven

Used Cars for Sale

Test drive Used GMC Sierra 2500 at home in Hartford, CT. Search from 64 Used GMC Sierra 2500 cars for sale, including a  2012 GMC Sierra 2500 SLE, a  2013 GMC Sierra 2500 Denali, and a  2013 GMC Sierra 2500 SLE ranging in price from $13,900 to $84,799.

Used GMC Sierra 2500 for Sale in Hartford, 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 64 GMC Sierra 2500 for sale, including a Used 2013 GMC Sierra 2500 Denali w/ Suspension Package, Off-Road, a Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package, and a Used 2015 GMC Sierra 2500 SLT ranging in price from $13,900 to $84,799.

Autotrader has 64 GMC Sierra 2500 for sale near Hartford, CT, including a Used 2013 GMC Sierra 2500 Denali w/ Suspension Package, Off-Road, a Used 2013 GMC Sierra 2500 SLE w/ SLE Preferred Package, and a Used 2015 GMC Sierra 2500 SLT ranging in price from $13,900 to $84,799.

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Used GMC Sierra 2500 for Sale in Hartford, CT

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Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package

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2024 GMC Sierra 2500

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