The NASCAR Sprint Cup Coke Zero 400 from Daytona International Speedway earned an overnight 3.5 U.S. rating and nearly 5.7 million viewers on TNT Saturday night, up 5% in the ratings and 4% in viewership from last year (3.3, 5.5M). Final TV Ratings for 2012 were a 3.8 with 6.184 million viewers.