GM Lambda platform is a car platform designed and used by General Motors. It is a full-size crossover platform. Lambda is based on the earlier GM Epsilon platform. The Lambda platform replaces GM's U minivan platform and the GMT360 SUV platform. This is used for the Chevrolet Malibu sedan and other similar models. The Lambda architecture is used by the Chevrolet Traverse, Buick Enclave, Saturn Outlook and GMC Acadia.