GM will make streamline the manufacturing of the Buick and Opel
- General Motors will streamline the design of its Opel and Buick models. As Vauxhall are derived from Opel in Britain, the Buick will be derived from Opel in North America and China.
- The American carmaker thus develops two families of modular vehicles (Global Delta = C segment, Global Epsilon = segment D) it will more closely align with the Buick and Opel ranges for the global market.
- The family of compact vehicles Global Delta, developed in Europe by Opel in Rüsselsheim provides variants designed and manufactured in Europe for Opel (and Vauxhall) and the United States and China for Buick. It would include the new generation Opel Astra for Europe (2015), the replacements to the Buick Verano for the United States and the Buick Excelle for China (2015), a new Buick Envision for the United States and China (2015 or 2016), a revamped version of the Opel Antara for Europe (2016) and a revamped version of the Opel Cascada (2017) coupled with a revamped version of the Buick.
- The family of medium-sized vehicles Global Epsilon is to be developed in Warren, in the United States and will also provide alternative models for both brands and regions. This family includes the replacements for the Buick Regal and LaCrosse for the United States and China (2016), a new generation of the Opel Insignia (2017) and the next generation of Buick Enclave (2017).
