I agree... but... I'm not sure I'd want to stand in front of a speeding vehicle with a shotgun where the vehicle really needs to be range-wise, say within 30 or 50 yards for best effect, putting the shooter between the headlights... ouch! that might leave a mark, and putting any angle on it might defeat your purpose, go for the driver on a passing shot and make the angle work for you.I've worked on cars since before I was legally able to drive. If you think about it, a car coming at you, it's shoot the driver or the engine. My first inclination if I was going for the engine, I'd shoot dead center, through the radiator, fan, and what sits behind that? Timing chain. Most V6 and V8 have the timing chain right in front with maybe a metal or even a plastic cover. Engine is toast, may even lock up. Even my Cummins diesel would be ruined. Now you can ventilate the driver at your leisure....
Especially if a Big Bear is driving it, that is what we were talking about right? Bears. Just my 0.2 brother... Cheers.