2018 GMC Terrain Price: $18,554 Manhattan, NY More Manhattan, NY GMC Terrain's 2022 $22,750 28,746 Miles 2021 $21,429 11,926 Miles 2021 $22,060 23,225 Miles 2021 $21,350 34,795 Miles 2015 $9,650 127,759 Miles 2016 $10,995 72,329 Miles