2021 GMC Sierra 1500 Price: $47,998 Denver, CO More Denver, CO GMC Sierra 1500's 2022 $69,499 2,967 Miles 2018 $28,990 Miles 2020 $55,995 Miles 2016 $34,791 18,386 Miles 2019 $49,986 Miles 2021 $54,995 Miles