2024 Honda Civic Si Engine Oil Capacity. The motor is the naturally aspirated 2.0 k20c2 variant. Hey guys been searching around trying to find the best synthetic oil to use for my first oil change on my 2019 si.

The motor is the naturally aspirated 2.0 k20c2 variant. For synthetic oils, the range is between 7,500 and 10,000 miles.