Here is another great model repository, now with a lot of car models. The DMI car 3d models are all available freely for download, in the LWO file format. That is fully compatible with Blender!
After importing the models, you will have to work on the materials, since all of them come without any pre-configured materials or colors. The library is divided into five categories:
- Sport cars
Here is how the models look like in Blender: