This is an arms race mindset that overall creates a disaster for those not outside your vehicle. Of course you'll be safe and sound (precluding rollovers), but

This is an arms race mindset that overall creates a disaster for those not outside your vehicle. Of course you'll be safe and sound (precluding rollovers), but you've introduced a greater probability of killing someone you hit. http://www.freakonomics.com/2011/07/29/killer-cars-an-extra-1000-pounds-increases-crash-fatalities-by-47/ http://www.freakonomics.com/2011/07/29/killer-cars-an-extra-... Also, a heavier car isn't always safer than an equivalently sized lighter one.