Cadillac hopes frequent fliers mean more buyers By: CNBC.com News October 06, 2014 at 12:47 PM EDT The automaker will offer 7,500 AAdvantage miles to American Airlines frequent fliers who test drive a Cadillac. Read More >> Related Stocks: American Airlines Gp Delta Air Lines General Motors Porsche Auto ADR Toyota Motor Corp Ltd Ord ADR Volkswagen Ag Pfd Sh