The first is an elongated toilet bowl. Elongated bowls (EB for short) look egg-shaped because they are a little longer. Most people like the longer bowls for the extra comfort.
But for tight spaces, round-front toilet bowls are commonly used because they are a little shorter.
In your case, it appears the longer bowl will not fit because the door may hit the new toilet. So, the solution can be a new, third-style option for toilet bowls. It’s called a compact-elongated toilet, and like the name says it’s a longer bowl designed into a shorter footprint that should fit the space of a round-front toilet.
Just note that compact-elongated toilets usually are a higher-end item. So, unlike a compact car, a compact toilet can cost more than the standard models.
Master contractor/plumber Ed Del Grande is the author of “Ed Del Grande’s House Call,” the host of TV and Internet shows, and a LEED green associate. Reach him at firstname.lastname@example.org.