I am not an expert but it looks like Cyl1 has some carbon build-up also there is a dot point on each cylinder other than that nothing unusual.
I am tempted to do a wet and dry compression check also in the future.
Stanley OUTDOOR COOLER 30 QT(28.2L) for Kizashi fitment:
here are some pictures of the 2021 model Stanley Cooler in the back of Kizashi. no problem but the cooler can not fit on the end of the trunk (shown in the picture)