Problem with cars Nissan GT-R and Hyundai Genesis

I found some problems with 3d models of Nissan GT-R and Hyundai Genesis (holes).
You can see it on the next pictures:
Nissan GT-R right door
Picture 1
Picture 2

Hyundai Genesis
Right door
Picture 1

Please fix, very much ask, it’s look terrible :c

If have problem with screenshots
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