Saudi Arabia is 2.7 times larger than Turkey.
Area: 2,149,690 km2 World Factbook
Population: 27,345,986 (July 2014) World Factbook
Saudi Arabia, officially known as the Kingdom of Saudi Arabia, is the largest Arab state in Western Asia by land area and the second-largest in the Arab world after Algeria. Wikipedia
Area: 783,562 km2 World Factbook
Population: 81,619,392 (July 2014) World Factbook
Turkey, officially the Republic of Turkey, is a contiguous transcontinental country. Its larger part is in Western Asia, and the smaller in Southeastern Europe. Wikipedia