I want to start off by saying that this isn't the worst problem our wiki has faced, so don't take it out of context.
I've noticed a growing number of infoboxes that use "extra" information, rearrange the usual order and layout of things, or even renaming the titles of the rows. The extra information is nice, but should not be put in the infobox. The current design should have rows for all the basic information on a roller coaster. Beyond that, it's up to the articles to give more in-depth information.
Now, before you all start calling me a control freak, hear me out on this... I'm totally open to adding more rows to the infoboxes (I actually think adding the cost and height restrictions are both great ideas). But we need to communicate with each other first, so our articles can all be consistent with each other. We want to be able to look at a coaster's page, and already know exactly where to find the info we need.