Weight of the empty car. On the rego label or the compliance plate.
$
Leave at $0 to compare yearly rego only. Add a price to include the transfer fee and stamp duty.
Details that only matter in some states
CTP insurance estimates

In New South Wales, Queensland and the ACT, CTP is bought separately from an insurer, so it is not in the rego fee. The other five states include it in their registration. Fair comparison needs a CTP price for these three, so the amounts below are examples. Replace them with your own quote, or enter 0 to leave CTP out.

$
Example from the NSW calculator.
$
The Queensland Government lists $411.80 to $427.80 for a private car from 1 October 2026, depending on the insurer.
$
Unconfirmed example from a third-party source. Get a quote.

StatePer yearPer weekTo buyCTP

How this is worked out

Open a state’s own calculator for the full breakdown: