how much oil does your Boxster use between oil changes?

[Qckslvr]

My Boxster with 108,000 miles seems to me to be really good on oil consumption. For about 2500 miles the car used no oil at all. I checked the gauge on the dash, and the dipstick. And that is in commute traffic. Wife and I took the car out with the local PCA over the weekend where we put 600 miles on the car over a 3 day weekend. A lot of that weekend was "spirited' driving through the back country. In that weekend the Boxster consumed just about an 1/8th of a quart of oil.

I know oil change intervals here vary, I change mine at 4k. So would that be considered a normal amount of oil consumption? My Mustang drinks almost a full quart between oil changes and it has 26,000 miles. Where as my Sister's F150 uses almost 2 quarts between oil changes, but it has 160,000 miles on it.