Found seven 21mb 3d models

blendswap
free
...bake-button.sorry about the file size (21mb, i have tried to keep...
3dcadbrowser
free
...ground patches are 4096x4096 pixels. 21mb buildings textures. 111mb ground textures....
thingiverse
free
3dwarehouse
free
...nismo nissan original model by kavinash.....(21mb.....if used please give credit *note:...