2025 Honda Civic Si Coupe Mpg. Use our handy tool to get estimated annual fuel costs based on your driving habits. The new civic si takes the refreshed 2025 civic and turns it up a notch, focusing on mods that make it a bit faster and more fun to drive than the base and hybrid variants.
(i loved that car!) i’ve already put just over 2,000. I bought a new 2025 civic si this weekend and i really like it.