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8-Cylinder

Gasoline

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Sierra 2500

AT4 Preferred Package

Gooseneck/5th Wheel Prep Package

Snow Plow Prep/Camper Package

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Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package Mendon MA 01756

Automatic

6.6L V-8 gasoline direct injection, variable valv>

SLE Value Package;

X31 Off-Road Package

Certified 2024 GMC Sierra 2500 SLE w/ SLE Value Package;

Certified 2024 GMC Sierra 2500 SLE w/ SLE Value Package; Torrington CT 06790

Fullsize Regular Cab

Convenience Package

New 2025 GMC Sierra 2500 Pro w/ Convenience Package

New 2025 GMC Sierra 2500 Pro w/ Convenience Package Putnam CT 06260

Electric

Hummer EV

Battery Pack, 24 Module Pack

LPO, Dark Essentials Package

New 2025 GMC Hummer EV 3X w/ Battery Pack, 24 Module Pack

New 2025 GMC Hummer EV 3X w/ Battery Pack, 24 Module Pack Putnam CT 06260

SLT Convenience Package

Certified 2021 GMC Sierra 2500 SLT w/ SLT Convenience Package

Certified 2021 GMC Sierra 2500 SLT w/ SLT Convenience Package Mendon MA 01756

Midsize

Sport Utility

4-Cylinder Turbo

Terrain

New 2026 GMC Terrain Elevation

New 2026 GMC Terrain Elevation Putnam CT 06260

Elevation

Compact Crew Cab

Canyon

New 2025 GMC Canyon Elevation

New 2025 GMC Canyon Elevation Putnam CT 06260

Sierra 1500

New 2025 GMC Sierra 1500 Elevation

New 2025 GMC Sierra 1500 Elevation Putnam CT 06260

Preferred Package

Sierra HD Pro Safety Plus Package

LPO, Assist Step and Floor Liner Package

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

New 2025 GMC Sierra 2500 SLE w/ SLE Value Package; Putnam CT 06260

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

Elevation Premium Package

Black Edition

New 2026 GMC Terrain Elevation w/ Elevation Premium Package

New 2026 GMC Terrain Elevation w/ Elevation Premium Package Putnam CT 06260

8-Cylinder Turbo

Diesel

X31 Off-Road and Protection Package

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

Fullsize

Acadia

New 2026 GMC Acadia Elevation

New 2026 GMC Acadia Elevation Putnam CT 06260

6-Cylinder Turbo

AT4 Premium Package

Technology Package

Certified 2022 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Certified 2022 GMC Sierra 1500 AT4 w/ AT4 Premium Package Putnam CT 06260

New 2026 GMC Terrain Denali

New 2026 GMC Terrain Denali Putnam CT 06260

Denali

Infotainment Package II

Tech Package

License Plate Front Mounting Package

Certified 2022 GMC Terrain AT4 w/ Infotainment Package II

Certified 2022 GMC Terrain AT4 w/ Infotainment Package II Putnam CT 06260

Pro Value Package

Snow Plow Prep Package

Certified 2024 GMC Sierra 1500 Pro w/ Pro Value Package

Certified 2024 GMC Sierra 1500 Pro w/ Pro Value Package Putnam CT 06260

AT4 Premium Plus Package

Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Torrington CT 06790

Stephen GMC

Brustolon GMC

VACHON GMC

Hartford and New Haven

Certified Cars for Sale

Test drive Certified GMC Sierra 2500 at home in Windham, CT.Certified GMC Sierra 2500 cars for sale, including a  2021 GMC Sierra 2500 SLT, a  2024 GMC Sierra 2500 AT4, and a  2024 GMC Sierra 2500 SLE ranging in price from $50,977 to $65,991.

Certified GMC Sierra 2500 for Sale in Windham, CT - Autotrader

Search from 4 GMC Sierra 2500 for sale, including a Certified 2021 GMC Sierra 2500 SLT w/ SLT Convenience Package, a Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package, and a Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package ranging in price from $50,977 to $65,991.

Autotrader has 4 GMC Sierra 2500 for sale near Windham, CT, including a Certified 2021 GMC Sierra 2500 SLT w/ SLT Convenience Package, a Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Preferred Package, and a Certified 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package ranging in price from $50,977 to $65,991.

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Certified GMC Sierra 2500 for Sale in Windham, CT

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

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