The 1985 Can Am season was the eighteenth and penultimate running of the Sports Car Club of America's prototype series and the ninth running of the revived series.
The dominant chassis were Frissbee-Lola, March, Lola, Frissbee, Osella, and Ralt.
Rick Miaskiewicz was declared champion, with 81 points and three wins.
[2] Lou Sell won the two liter class in his March BMW.
This would also mark the final year of the two liter class.