You dress according to the work culture you're employed in...but a suit is always a must for interviews. I don't believe that has ever changed in the U.S. for white-collar prospects.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car