STEP for this: Celica
File has been uploaded for this request: 90's toyota celica 3D model
Original model can be found here: http://sketchup.google.com/3dwarehouse/details?mid=3f85659f1d59316f7c75304c9303e7&prevstart=0
NOTE: It is originally a very low-poly model, therefore it was transferred to STEP as a number of square-triangle surfaces. Can be used as a mould for normal NURBS or solid modelling