Does your Subie Forster have 170 hp 2.5L H4, or 250 hp 2.0L turbo H4? I can see your oil consumption was progressively getting worse, even got to 3/4 quarts per 500 miles. Our VW Passat 2.8L V6 has steady oil consumption at 1 quart per 800~1,000 miles since new. And I'd been fighting with VWoA for this issue many times with all the documents. But the bottom line is, according to VWoA it's normal for that kind of oil consumption and for that they refused to fix the problem!
Thanks for sharing the experience on your Forester.
I have a 2014 manual with backup camera so only the 170 hp 2.5L H4 was available.
It is a widely discussed issue, even at consumer report
http://www.consumerreports.org/cro/news/2015/07/talking-cars-episode-73-oil-consumption/index.htm
http://www.consumerreports.org/cro/magazine/2015/06/excessive-oil-consumption/index.htm
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