trebuchet03, your points are dead on with exception to two things: your jetta's 0-60 is not 18 seconds, i looked it up and i found "a sluggish 10.3" ... you may be thinking of quarter mile time at 18! (read the post regarding a metro doing quarter miles in 19s). And 0.7G is TOTALLY NOT FUN... any good can can do .95, i imagine any lumbering SUV can handle 0.7. This is easily solved with some good tires, regardless of vehicle.
My parents also live (according to google maps) 215 miles from my house. I'd hate to have to call up dad to bring his Tacoma 15 miles down the road to tow my ass home, or worse yet, make a 4-hour battery recharge stop off the highway if i got stuck in traffic.
Oh yeah, lateral G has NOTHING to do with vehicle mass. It is simply a function of speed and radius. When racing we trade data logging devices from car to car and they measure lateral Gs without knowing the vehicle weight, it is a measure of radial acceleration. "Cornering Force" may be the term used that is weight dependant... not sure.
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