Sold in poly efficient state by default. turn subsurf level 1 on for sufficient smoothness but, current state is okay too but even better with lvl 1 subsurf for main parts of car.
Textures for rear and front lights and grills is included also normal maps and alpha maps all 1200x1200 res, these can be downloaded separate in extra downloads section to preserve download time.
The materials and shaders used are blender cycles internal so, those will only be available in blender version.
You can obtain other formats through Turbosquids free & professional file conversion service.