Which mode of Auchan z6 is the most fuel efficient?

Economy models are the most fuel efficient. According to the information of Auchan official website, Auchan Z6 has three modes: comfort mode, sports mode and economy mode. The comfort mode is suitable for urban roads without traffic jams. The sports mode cooperates with the unique technology of the engine, so the power will be enhanced, and the economic mode will automatically reduce the engine speed change and fuel consumption, so the economic mode is the most fuel-efficient.