I dunno about you buy I feel much safer in a big Falcon or a Commodore with ABS brakes and two air bags at the front surrounded by chunky metal than being in a Silvia/Rx7/Mr2 or any other little Japanese car. Heck my Skyline isnt that safe either.
Ive already had a Corolla slam into the back of me doing over 90 KM/h while I was in a VS commodore wagon a few years ago and I walked away with a mild whiplash and the car itself was repaired. I doubt I would of been so lucky if I was in a little Japanese sports car... I can tell you now my Skyline would of been a write off.
I dont know if you pay much attention to safety reviews of cars but such cars as Silvia (s15 included), 300xz, Rx7 and other similar low sports cars are amongst the unsafest on the streets as far as collisions go. I much rather be in a commodre or a falcon if some dickhead in a 4wd drives to T bone me.
Having said that, yes a Silvia or a Skyline will be much easier to control in speeds of excess 100 +KM/h... but then again they are sports cars designed for faster speeds than a regular family sedan/wagon.