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35

Used GMC Sierra 3500HD for Sale in Fort Collins, CO

2020 GMC Sierra 3500HD Denali
2020 GMC Sierra 3500HD Denali
2020 GMC Sierra 3500HD Denali
2024 GMC Sierra 3500HD AT4
2024 GMC Sierra 3500HD AT4
2024 GMC Sierra 3500HD AT4
2024 GMC Sierra 3500HD SLT
2024 GMC Sierra 3500HD SLT
2024 GMC Sierra 3500HD SLT
Used·Mileage not available

$68,310

2013 GMC Sierra 3500HD SLE
Used·134,137 mi

$29,399

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2013 GMC Sierra 3500HD SLT
2013 GMC Sierra 3500HD SLT
2013 GMC Sierra 3500HD SLT
2018 GMC Sierra 3500HD SLT
2018 GMC Sierra 3500HD SLT
2018 GMC Sierra 3500HD SLT
2022 GMC Sierra 3500HD AT4
2022 GMC Sierra 3500HD AT4
2022 GMC Sierra 3500HD AT4
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2023 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2016 GMC Sierra 3500HD Denali
2016 GMC Sierra 3500HD Denali
2016 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2020 GMC Sierra 3500HD AT4
2020 GMC Sierra 3500HD AT4
2020 GMC Sierra 3500HD AT4
2022 GMC Sierra 3500HD Denali
2022 GMC Sierra 3500HD Denali
2022 GMC Sierra 3500HD Denali
2024 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
2023 GMC Sierra 3500HD Denali
Certified pre-owned·23,593 mi

$69,389

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2022 GMC Sierra 3500HD SLT
2022 GMC Sierra 3500HD SLT
2022 GMC Sierra 3500HD SLT
Used·76,119 mi

$53,995

2024 GMC Sierra 3500HD AT4
2023 GMC Sierra 3500HD SLE
2023 GMC Sierra 3500HD SLE
2023 GMC Sierra 3500HD SLE