The base price of a Civic has gone from $18,190 in 2014[1] to $23,950 today[2]. That's 30% which pretty much exactly matches the official CPI inflation numbers.
[1] https://hondanews.com/en-US/honda-automobiles/releases/relea...
[2] https://hondanews.com/en-US/honda-automobiles/releases/relea...