There is an import tax on all cars. Averaging at 175%
Then to have a car, you need to bid on a Certificate of Entitlement (COE) -- a euphemism if there ever was one. (And it only lasts 10 years which you either scrap your car or re-apply for the COE at the prevailing rate) The govt limits the number of new cars on the road per month.
The COE will usually vary between $50k to as high as 100k per certificate depending on the number of COEs released by the govt per month.
Then you have to pay for the car per the car sales guys. Since its a small place, there aren't more than two authorised agents per marque/brand. But there parallel importers who have to pay all of the above but run a tighter ship/small margins.
Then there are congestion charges called ERP (Electronic Road Pricing) which a takes stored value/money off RFID holders/electronic devices on your car's windscreen. If you work downtown, it will probably be $8-10 per one way since you will be hitting several of these RFID gantries on the way to work. You will be hit again on the way back.
Then there is the parking -- at least $8/30mins unless you get seasonal or your company gets it for you.
So most cars here will be three times the price in the US, excluding the consumption taxes like parking and congestion taxes.
And with all these, you get a free tattoo on your forehead with the letter S. (I have paid a couple of hundred thousand dollars just in car-related taxes.)