Pape Chevrolet

Bill Dodge Auto Group Westbrook

Jack Chevrolet

APLUS TRUCK SALES, INC

Weirs Motor Sales, Inc

Seacoast Mazda

LEE GMC

Macdonald Motors Chrysler Jeep Dodge

Holloway GMC Cadillac

Ripley & Fletcher Ford

Key Chrysler Dodge Jeep Ram of Rochester

Portsmouth Ford

Spider

Fullsize Crew Cab

Truck

AWD4WD

8-Cylinder Turbo

Diesel

Sierra 2500

Technology Package

Snow Plow Prep/Camper Package

New 2025 GMC Sierra 2500 Denali w/ Technology Package

New 2025 GMC Sierra 2500 Denali w/ Technology Package Rochester NH 03867

Automatic

Denali

8-Cylinder

Gasoline

Used

AT4 Premium Plus Package

LPO, Cargo Convenience Package

Get AutoCheck Vehicle History

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

Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Auburn ME 04210

Flexible Fuel

Driver Alert Package

Snow Plow Prep Package

Suspension Package, Off-Road

Used 2018 GMC Sierra 2500 SLT w/ Driver Alert Package

Used 2018 GMC Sierra 2500 SLT w/ Driver Alert Package South Portland ME 04106

Denali Reserve Package

Gooseneck/5th Wheel Prep Package

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package Portsmouth NH 03801

Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Portsmouth NH 03801

SLE Convenience Package

Remote Start Package

LPO, GMC Protection Package

New 2025 GMC Sierra 2500 SLE w/ SLE Convenience Package

New 2025 GMC Sierra 2500 SLE w/ SLE Convenience Package Rochester NH 03867

SLT Convenience Package

Sierra HD Pro Safety Plus Package

SLT Preferred Package

New 2025 GMC Sierra 2500 SLT w/ SLT Convenience Package

New 2025 GMC Sierra 2500 SLT w/ SLT Convenience Package Rochester NH 03867

LPO, Assist Step and Floor Liner Package

New 2025 GMC Sierra 2500 SLE

New 2025 GMC Sierra 2500 SLE Rochester NH 03867

AT4 Preferred Package

Driver Alert Package I

Driver Alert Package II

Used 2020 GMC Sierra 2500 AT4 w/ Technology Package

Used 2020 GMC Sierra 2500 AT4 w/ Technology Package Saco ME 04072

Denali Ultimate Package

Used 2023 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used 2023 GMC Sierra 2500 Denali w/ Denali Ultimate Package South Portland ME 04106

6-Cylinder Turbo

Sierra 1500

SLT Premium Package

Used 2023 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2023 GMC Sierra 1500 SLT w/ SLT Premium Package Rochester NH 03867

X31 Off-Road Package

Used 2022 GMC Sierra 1500 Elevation w/ X31 Off-Road Package

Used 2022 GMC Sierra 1500 Elevation w/ X31 Off-Road Package Rochester NH 03867

Elevation

Max Trailering Package

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

Used 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Portsmouth NH 03801

Certified

LPO, Hitch Package

Certified 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Certified 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package Arundel ME 04046

X31 Off-Road and Protection Package

Gooseneck/5TH Wheel Package

Used 2023 GMC Sierra 2500 SLT

Used 2023 GMC Sierra 2500 SLT Auburn ME 04210

Used 2024 GMC Sierra 2500 AT4 w/ Technology Package

Used 2024 GMC Sierra 2500 AT4 w/ Technology Package Windham ME 04062

Certified 2025 GMC Sierra 2500 Denali w/ Technology Package

Certified 2025 GMC Sierra 2500 Denali w/ Technology Package Westbrook ME 04092

Midsize

Sport Utility

4-Cylinder Turbo

Terrain

Preferred Package

Infotainment Package II

LPO, Interior Protection Package

License Plate Front Mounting Package

Used 2019 GMC Terrain SLT w/ Preferred Package

Used 2019 GMC Terrain SLT w/ Preferred Package Rochester NH 03867

Used 2021 GMC Sierra 2500 Denali

Used 2021 GMC Sierra 2500 Denali Windham ME 04062

Convenience Package

Used 2022 GMC Sierra 2500 Pro w/ Convenience Package

Used 2022 GMC Sierra 2500 Pro w/ Convenience Package Bridgton ME 04009

Used 2022 GMC Sierra 1500 SLE

Used 2022 GMC Sierra 1500 SLE Rochester NH 03867

SLE Value Package;

New 2026 GMC Sierra 2500 SLE w/ SLE Value Package;

New 2026 GMC Sierra 2500 SLE w/ SLE Value Package; Arundel ME 04046

Certified 2020 GMC Sierra 2500 Denali w/ Snow Plow Prep/Camper Package

Certified 2020 GMC Sierra 2500 Denali w/ Snow Plow Prep/Camper Package Arundel ME 04046

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

Used 2024 GMC Sierra 2500 SLE w/ SLE Value Package; Bridgton ME 04009

Pro Value Package

Used 2023 GMC Sierra 1500 Pro w/ Pro Value Package

Used 2023 GMC Sierra 1500 Pro w/ Pro Value Package Rochester NH 03867

Fullsize

Acadia

Used 2021 GMC Acadia SLE

Used 2021 GMC Acadia SLE Rochester NH 03867

Used 2016 GMC Sierra 2500 SLT w/ Snow Plow Prep Package

Used 2016 GMC Sierra 2500 SLT w/ Snow Plow Prep Package Westbrook ME 04092

Denali Black Diamond Edition

Heavy Duty Front Spring/Camper Package

Certified 2022 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition

Certified 2022 GMC Sierra 2500 Denali w/ Denali Black Diamond Edition Westbrook ME 04092

Duramax Plus Package

Certified 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package

Certified 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package Arundel ME 04046

Used 2022 GMC Sierra 1500 Elevation

Used 2022 GMC Sierra 1500 Elevation Rochester NH 03867

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package Windham ME 04062

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

Used 2024 GMC Sierra 2500 Denali w/ Snow Plow Prep/Camper Package Auburn ME 04210

Certified 2022 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

Certified 2022 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Arundel ME 04046

Used 2017 GMC Sierra 2500 SLE

Used 2017 GMC Sierra 2500 SLE Westbrook ME 04092

Used 2021 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used 2021 GMC Sierra 2500 AT4 w/ AT4 Preferred Package Westbrook ME 04092

Weirs Buick GMC

Key GMC of Somersworth

Portland - Auburn

Used Cars for Sale

Test drive Used GMC Sierra 2500 at home in South Portland, ME. Search from 41 Used GMC Sierra 2500 cars for sale, including a  2016 GMC Sierra 2500 SLT, a  2017 GMC Sierra 2500 SLE, and a  2018 GMC Sierra 2500 SLT ranging in price from $25,985 to $83,152.

Used GMC Sierra 2500 for Sale in South Portland, ME - 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 41 GMC Sierra 2500 for sale, including a Certified 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package, a Certified 2020 GMC Sierra 2500 Denali w/ Snow Plow Prep/Camper Package, and a Certified 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package ranging in price from $25,985 to $83,152.

Autotrader has 41 GMC Sierra 2500 for sale near South Portland, ME, including a Certified 2019 GMC Sierra 2500 Denali w/ Duramax Plus Package, a Certified 2020 GMC Sierra 2500 Denali w/ Snow Plow Prep/Camper Package, and a Certified 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package ranging in price from $25,985 to $83,152.

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Used GMC Sierra 2500 for Sale in South Portland, ME

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New 2025 GMC Sierra 2500 SLE w/ SLE Convenience Package

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