Pursuing the Environment-Serving-Organisation (ESO)-based view this research aims to investigate firm's capabilities in gaining competitive advantage at the automobile manufacturing industry. It shows that more formal and adaptable strategic planning and relevant synergy mentality based on the understanding of environmental turbulence level, helps maintain and increase a firm's competitiveness. Using structural equation modelling, business environmental turbulence from ESO-based view strongly and favourably affects a company's strategic planning and synergy mentality.