ad ranked 14th in the Bluefin poll, but had a higher rate of positive comments, 40 percent to 38 percent. The Eastwood ad last year ranked No. 2 with a 59 percent positive rating.
The two ads this year ranked in the top five in USA Today's Ad Meter results, and in the top 10 among the most searched Super Bowl ads on Yahoo.
Keeping up that kind of performance gets tougher every year, Marchionne told WJR. "I'm really worried now about 2014."