this is rhetorical when you think about it. when you have more cylinders, you have more power, but less fuel efficiency, and vice versa. In this answer its not all completely correct in some cases a...
Depends....a 2 valve per cylinder V8 would have 16 valves. A 4 valve per cylinder 4 banger would have 16 valves. There are also 3 valve per cylinder V8s...which would be 24. The number of valves does...