depending on which method is used to depreciate your car, you should be able to claim all depreciation on it.
at work i use the set rate/business km method over the log book method because its more beneficial to the client.
just depends how many km's you do per financial year...
i doubt you'll lose as much as 20k.....i recently depreciated a 120kish Audi S4.....and rate/business km method calculated about 1000 bucks including all expenses.
dont take my word for it, im only a trainee accountant at the moment...
it shouldnt make a difference if its a sports car, luxury car, bomb, etc...
best to talk with your accountant.
can someone confirm 5000km is the maximum distance that can be claimed with the 12cents/km method? i need my Master tax guide!!