I added a car to my project but it had no detail (the textures are plain) it didn't look like in the picture please help

Development Asset Creation
,
1

discourse-forum-post-image-updload-183888925681374152044205361178636055252.png
discourse-forum-post-image-updload-183888925681374152044205361178636055252.png692×480 244 KB
discourse-forum-post-image-updload-46296896588202186150588498042700278521.png
discourse-forum-post-image-updload-46296896588202186150588498042700278521.png775×480 137 KB