2019 GMC Sierra 2500 Price: $55,409 Denver, CO More Denver, CO GMC Sierra 2500's 2020 $55,995 Miles 2016 $47,076 31,931 Miles 2022 $69,991 Miles 2019 $58,409 24,360 Miles 2018 $54,409 Miles 2017 $55,434 30,233 Miles