The company attributed the rise in total sales mainly to a strong growth in the sales of passenger cars.
Sales of passenger cars surged to 22,463 units in 2012 from 13,935 units in 2011, the company said in a news release issued on Friday.
Outlander Sport and Mirage, a new model of passenger cars launched in 2012 made a significant contribution to the rise in sales of Mitsubishi passenger cars, it said.
Sales of Pajero Sport, a passenger car of Multi Purpose Vehicle (MPV) type, reached 13,935 units, it said.
Meanwhile commercial cars Colt L300 and Strada Triton had a 68.6 percent and 35.5 percent shares of the market of car of their respective types.
Sales of Mitsubishi Colt Diesel trucks reached a monthly record of 6,062 units in October.
Altogether Mitsubishi has the third largest share of car market in the country after Toyota and Daihatsu.