Hello,
I am sorry that your experience with the calculator was not as it should have been.
I checked your calculation and there may be two issues with the information you entered into the calculator, which would affect the prices quoted.
Firstly, you entered that the LDV G10 is a motor car. It may be classified as a ute/light goods vehicle which would make the greenslip more expensive. You can to check the shape code on your registration papers. You can then check how your vehicle is classified for greenslip purposes by going to https://www.greenslips.com.au/vehicle-shape-codes.html.
The second issue is that you answered that you have no comprehensive or other insurance on the vehicle. Having no comprehensive insurance will also make the green slip more expensive.
If you are happy to do so, please feel free to call me on 9262 1811 and I will re-do the calculation for you to ensure you get the correct prices.
Regards
Stephen Treacey