What does SiR mean on a Honda Civic?

According to Edmunds, the "Si" badge on a Honda Civic stands for "sport injection," while the "R" indicates Type R performance upgrades. The SiR model Honda Civics were available in Asia and Europe but were never directly marketed in the United States, explains Pacific Coast Auto Imports.

The Honda Civic SiR is built on the EG6 chassis as a three-door hatchback with a 1.5-liter I4 twincam 16-valve engine. The inline 4-cylinder engine produces nearly 168 horsepower and 115 pounds of torque per foot. In Japan, the SiR II model was also available, which included luxury options like a sunroof, ABS brakes and traction control features.