Paint feels coarse/thinner clear coat?

SpawnAeroJohn

If you think it was in an accident compare the panels (left and right) They will usually have a texture because a paint job by a shop is either better or worse than stock. Usually better.

Another thing is check the corners and edges. If it looks faded, dull, or has little dimples (basically a different texture) that aren’t anywhere else then it has been repainted. Most shops don’t buff edges and corners so that’s how you can tell.