My friend sold his Cygnus 5 days back because he did not wanted to pay the luxury tax. Was he able to pay the 3 lacs? Maybe yes but I, or for that matter, anyone else can't be sure. Most of people owning these luxury cars have businesses and factories which are currently operational only because of debt.
Being a corporate banker I can safely say that networth of people owning civic (bought on cash) is more than an industrialist owning a cygnus (which is most probably on lease or financed by debt on his factory/land). That been said, you can never be sure and say that anyone who owns an expensive car is able to pay even more under the head of xyz tax