According to official WLTP figures, the BMW 3 Series 318i has a combined fuel consumption of approximately 6.4 to 7.2 litres per 100 km. The more powerful M340i xDrive has higher consumption at around 7.8 to 8.5 litres per 100 km.
根據官方 WLTP 數據，BMW 3 Series 318i 嘅綜合油耗約為每 100 公里 6.4 至 7.2 升。而性能更強嘅 M340i xDrive 油耗就高啲，約為每 100 公里 7.8 至 8.5 升。
