2025 Civic Si Specs. Research the 2025 honda civic si at cars.com and find specs, pricing, mpg, safety data, photos, videos, reviews and local inventory. Find specs and features for the 2025 honda civic si including dimensions, horsepower, engine, capacity, fuel economy, transmission, safety rating, drivetrain and more.
2025 honda civic si brings back the good stuff; Detailed specs and features for the 2025 honda civic si including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.