Nice Leather Interior, A longer and wider body gives the Envoy a much more substantial look in addition to providing considerably more room inside. A new frame structure that utilizes advanced hydroforming technology achieves stiffness levels typically associated only with high-end sedans. Along with a revised suspension that uses dual A-arms and coilover shocks up front and a five-link coil spring system in the rear, the Envoy's ride quality has been substantially improved. An electronically controlled air spring suspension is optional in the rear, providing load-leveling capabilities and a more isolated ride