We do not rank the cheapest Civic Si in America
And here is exactly why, so you can judge it for yourself.
Honda publishes a window sticker for every Civic Si in its inventory feed but no dealer asking price. A national cheapest list needs an advertised price on every car, so there is nothing here to rank.
We do read a real advertised price off some selling dealers' own websites, and 57 of the 892 Civic Si listings we track carry one today. That is 6.4 percent of them, drawn from whichever dealers we have reached so far rather than from a representative sample. Ranking that slice would produce a page titled the cheapest Civic Si in America that was nothing of the kind, so we would rather publish no number than a confident wrong one. The share grows as we cover more dealers, and this page changes when it is broad enough to mean something.
What still works for this model: every window sticker, the trim and equipment breakdown, how long each car has sat on the lot, and which dealers hold the most of them.
See: Civic Si market overview · all Civic Si listings · how to negotiate