100hp per liter is becomming a new common practice among OEM engines in NA format from 4cyl to 8cyl.
nsx out of a 3.2L makes 290hp in standard trim.
ferrari f430, 4.3L makes 430hp in standard trim.
bmw m3, 3.2L makes 333hp in standard trim.
bmw m5 older gen, 5.0L 400hp in standard trim.
new...