I think you need to look at insuring the beast before you get too carried away.
My son is 19, got two years ncb & i cant add him to my policy!
His own insurance will cover him to drive it with third party only cover, but he cant get full cover for a 4x4 until hes at least 21.
You may need to start with something smaller like a Suzuki SJ before progressing into a Fronty.....even then it will need to have rear seats and be pretty standard.