This was a motor racing series for Group 5 Special Production Cars, Group 3 & 4 Grand Touring Cars and Group 1 & 2 Touring Cars which ran from 5 February to 23 October 1977 and comprised nine races.
Points towards the World Championship for Makes were awarded for the first ten eligible finishers in each race in the order of 20-15-12-10-8-6-4-3-2-1.
A make was only awarded points for its highest finishing eligible car and no points were awarded for placings gained by any other car of that make.
Only the best seven results counted towards the championship, with any other points earned not included in the total.
The same points system was applied to each of the three Divisional awards, with cars classified as follows: The following models contributed to the nett point scores of their respective makes.