Don't know about the State as a whole, but in both of the major metropolitan areas ( San Francisco and Los Angeles ) I see far more Porsches than I see BMWs and this has been the case for years and years.. in fact I rarely see any BMWs . Not sure where they got the BMW stats ?!
As for the split b/w SUVs and cars my observation in NorCal is probably about 50-50 , in SoCal however it seems to be approx 25-75 ( in favor of cars ) , at least from an outsiders' point of view since I only travel to SoCal about six times a year.
But I have to defer to Ryker's observations re the above split, since he splits his time between the two venues , lol.