I don’t think either are fundamentally immoral, but I can conceive of a greater number of scenarios where the creation of pornography, and therefore its consumption, would be wrong. Actors who are coerced into porn, or who later regret their appearance but can’t withdraw consent. Porn industry taking advantage of underage or underprivileged people. Pornography addiction, or using porn to avoid coping with real world interpersonal issues. Those are just off the top of my head.

Again, I don’t think porn should be illegal, not by a long shot, but it’s got a few more entanglements that I might take issue with than abortion, which 9999 times out of 10,000 should be nothing more than a conversation between a patient and their doctor.