Havana Metallic 2018 Buick Enclave Premium Group AWD 9-Speed Automatic 3.6L V6 SIDI VVT AWD. Plus license and title, and $115 title and registration processing fee. A 0.5% state sales tax will be added to new vehicle sales. Plus government fees and taxes, any finance charges, $80 dealer document processing charge, any electronic filing charge and any emission testing charge. (Eff 7/1/12). Price contains all applicable dealer incentives and non-limited factory rebates.