2021 GMC Terrain AWD SLE Price: $22,298 2301 US-22, Union, NJ 07083 More Union, NJ GMC Terrain's 2021 $21,865 23,341 Miles 2021 $20,165 34,642 Miles 2022 $27,995 48,694 Miles 2024 $27,388 5,186 Miles 2024 $36,356 5,469 Miles 2024 $34,681 2,428 Miles