Krennic's shuttle from rogue one. around 400k triangles. Obj has pbr textures included, specifically for blender, diffuse, roughness, metallic and opengl normals. imports fine but by default it sets all textures to be SRGB color, metallic, roughness and normal textures need to be set to non color!
check out more render at: https://www.artstation.com/artwork/JvaRmD