Yes, I'm sorry to inform you that this is true. You can't necessarily base power how good a car is on the engine size. The F40 is only 179.2ci. I'd still rather have an F50 or F40(F40 more b/c its just overal better than the F50) than a subaru, no offense.
http://www.supercars.net/cars/1995@$Ferrari@$F50g.html