are boxsters reliable?

[kk2002s]

I'm on both sides of the fence here.
My boxster has proven itself reliable but in the back of my head I'm expecting it to stop running at any time
Drove a 2200 miles trip over several days a few month back
Day one - 950 miles 90 degree temps. Stop for gas only

Coming home:
550 miles single day
Next day 450 miles up and down the Blue Ridge Parkway ( I was pushing it showing little mercy trying to get to the end in a day)
Last day was a simple 350 miles except when I got in stop and go traffic the last 60 miles

Not a single issue. It performed flawlessly.

BUT - I was nervous and constantly checking my temp gauge, listening for any little sound pretty much the whole time.

The last 50 miles on the Parkway I was so nervous I bailed to get on the highway to get to my motel. Reason, it was getting dark, I had no cell service, it was raining, I was going back up into the mountains, no traffic with nothing but Lions, tigers and bears.
All I could think was this is when this car is going to break and this is not where I want to be.

The mountains did put the final straw in my aged suspension which I am slowly replace componets

It does seem the longer the drives the better it runs