2. Iran - General • Population: 72 Millions • Area: 1,648,195 sq km • GDP - per capita: PPP - $7,700 (2006 est.) • No of Diesel Trucks: 550,000 • No of Passenger Cars: 8,400,000 • The annual growth rate of trucks is about 12/000units. • From 1990 onwards the Consumption of Multigrades is increasing ( 20W50 , 10W40, 15W40 are main Grades).