Sounds alot like Magnum P.I. but he drove a Ferrari: http://4.bp.blogspot.com/-JsxukXbE4p8/TbcPFNPmu6I/AAAAAAAAbqk/w2cgzY0MqAM/s1600/magnum2Bferrari.jpg

Car wise I would have guess Miami Vice: http://www.imcdb.org/vehicle_2105-Ferrari-Testarossa-1986.html