1978 Porsche 911SC Price: $49,500 Astoria, NY More Astoria, NY Porsche 911's 1980 $20,000 Miles 1983 $49,500 102,000 Miles 1974 $59,500 Miles 1968 $46,500 Miles 1968 $44,500 Miles 1988 $39,500 172,000 Miles