engines at aged 22years old? also could i insure a Mazda Mx 5 Roadster coupe 1.8i or Mazda Rx 8 2.0litre

Only one of those cars i want to insure.

go to insurance websites and enter the cars details along with yours and see what quotes you get.

anyone can insure any of them its just how much its gonna cost you!

You will be able to insure the mx5.I think the others would cost you many thousands fully comp

possible? sure

expensive enough to drain you and higher than your car payment, most likely.

Yes it's possible. Prices will definitely vary, some factors are the cost of the car, cost/availability of replacement parts, I can't imagine it being too different from vehicle to vehicle for a 22 yr old.

I don't think the deciding factor for buying should be the insurance cost of the vehicle, but the differences in the roadsters itself. You could find more satisfaction & value in the car that you want vs. the insurance dollars you might save.

Here is a link that compares most of the roadsters you're looking at, namely the 2003 Audi TT v 2003 BMW Z4 v 2003 Honda S2000 v 2003 Nissan 350Z v 2003 Porsche Boxster
Hope that helps.

http://www.caranddriver.com/comparisons/6846/2003-audi-tt-v-2003-bmw-z4-v-2003-honda-s2000-v-2003-nissan-350z-v-2003-porsche-boxster.html

Probably but will cost you a bomb