2021 GMC Terrain AWD SLE Price: $22,798 2301 US-22, Union, NJ 07083 More Union, NJ GMC Terrain's 2022 $21,898 28,302 Miles 2022 $21,094 45,672 Miles 2020 $16,995 30,049 Miles 2021 $21,849 27,827 Miles 2024 $34,366 4,902 Miles 2021 $21,847 23,346 Miles