I’ve used raptor liner before to spray in a Jeep JK floor. Got a 4 liter pack and had plenty to spare. For a recent small project, I tried 2k and ended up needing 6 cans to complete. Was spraying on to unfinished wood, so required more coats. It is the same product in a convenient can, but it can become expensive vs traditional gun applied Raptor if you end up needing more than 2 cans to do your job.