CARFAX 1 owner and buyback guarantee. This generous 2018 Buick Enclave Essence, with its grippy AWD, will handle anything mother nature decides to throw at you.. WEB SPECIAL. In these economic times, a wonderful vehicle at a wonderful price like this Essence is more important AND welcome than ever*** Optional equipment includes: (0 P) Dark Slate Metallic, Front License Plate Mounting Bracket...