Complex sentence: It has no airbags, no ABS brakes, a disk brakes on front and drum brakes on rear wheel, and the engine is the same as Vios/Altis with specially tuned ECU for economical use.
Split into simpler sentences: It has no airbags, no ABS brakes, front disc brakes and rear drum brakes. The engine is the same as Vios/Altis with a specially tuned ECU for economical use.