新一代 Suzuki Swift 嘅 WLTP 綜合油耗為 20.3 km/L（約 4.9 L/100km）。以一部 81 匹嘅輕混能小車嚟講，呢個數字喺同級入面算幾出色，尤其喺市區塞車環境下，Mild-hybrid 系統會有輔助，有助降低油耗。Swift Sport 嘅油耗大約係 16.9 km/L，以 140 匹性能車嚟講算係幾慳油。
The new Suzuki Swift has a WLTP combined fuel consumption of 20.3 km/L (approx. 4.9 L/100km). For an 81 hp mild-hybrid city car, this figure is quite impressive in its class, especially in city traffic where the mild hybrid system provides assistance. The Swift Sport's fuel consumption is approximately 16.9 km/L, which is very economical for a 140 hp performance car.
