what do you mean by income 500k, budget cash 500k or you want to factor in possibilities of leveraging ? what car to buy ask your tax agent.
Lexus LM is a good choice to blend in with the alphards / vellfire.
If you really want to stand out the crowd, self import a type hg panel van and fully customize it to ferry passenger.
or consider the option of full swarovski embeded with your current car.
cullinan also not bad, yet to try off road in malaysia, reliable car. some owner went for cross state dakar too.
stay low profile, order custom made techart cayenne.
the usual ones taycan, range rover hse, lc 500h, f-type r, A8 or s calss. after all 100k usd cant get alot of things also.
a dodge viper also rare and turn heads every where, deal with the terrible road tax in malaysia. 8000cc
plus premium plate number.