If you buy a car from a dealer for more than $64,132, in addition to the Stamp Duty, you will also have to pay Luxury Car Tax. A higher threshold of $75,526 applies for fuel-efficient vehicles. Cars with a luxury car tax (LCT) value over the LCT threshold attract an LCT rate of 33 percent. For example, Luxury Car Tax of $5,225 will be payable