In a little over 10 years, Cadillac has pulled off an incredible transition from a builder of soft-sprung land yachts to a builder of exciting, sporty luxury cars that can compete with the best Europe and Japan have to offer. Despite fielding one of the most competitive luxury lineups on the market, Cadillac has become a major problem for General Motors as its sales numbers continue to slump at a time when car sales are projected to hit an all-time high.