The Civic is manufactured by Honda, and was first introduced in 1972. ... The Civic's engine capacity is only 1.8L, compared to the engine of the Porsche which has a capacity of 3.6L. 3. The Porsche has a greater Horsepower of 320 at 6800 rpm when compared to the Horsepower of the Civic, which is only 140 at 3600 rpm.