FFS! What is with the bandwagon bashing in here?
Seems to me that Richard started this thread for some information so he could decide the best course of action.
Wori, pull your head in!
40kph over in an isolated area is definitely NOTHING like the examples you sited (driving double the speed limit in a school zone, some one doing burn outs in a city centre). Is 150kph on the Hume Hwy as dangerous to others as 90 in a school zone?
Yes it DOES matter what car you drive.
Newer cars are much more capable than 15-20years ago... let alone a "Supercar" designed to maneuver at high speed.
40kph over in a "generic car" is a damn sight more risky than doing so in a performance car such as an R35, Porsche 911, Lambo, Farrari etc...
You cannot argue that the type of car is not important and that speed is dangerous regardless of the car driven!
Take the same speed and apply turning/stopping performance to the following cars: original Mini, Valliant Charger, BMW M3, GTR, Lotus Elise, V8 Supercar, Red Bull F1.
I wonder if you believe all the stories on Today Tonight and ACA.