Right I've finished doing the test sketch. I tried doing the hatch's lights first, and it made it look like an EVO X. So I looked at the Saloon's back lights and did something combining the Saloon back lights, parts of the hatchbacks rear and the frame of the '05. It's come out alright, not as good as I hoped, but maybe someone with more experience of drawing cars could do better.
My paint skills aren't the best... I did some work to the orignal sketch.

Here's the Sedan back lights:

What Dr Ivo Roboknik does in his spare time: "I've just stolen candy from Four Thousand, Eight hundred and twenty two babies!"
Currently selling Dodge Neon Trophy cars in 3 different flavours!