Size was the main thing we were looking at. Also, i do not like the air fryers with the baskets. I really like the moveable trays. 

I can also add here, why did we buy an air fryer. The caravan we live in has an oven and stove top, and we have a webber, isn’t it overkill? 
In short, no. I have attached what the manufacturer of our caravan said about ovens in a photo below. The webber tends to burn things on the bottom, such as when i am trying to cook a batch of roast vegetables to add to my work lunches, or for dinners, we need to be out there flipping and turn the food. If i am trying to cook a nice big meatloaf basted with a maple and BBQ sauce, we need to cook it on the lowest possible setting and turn it half way through. It attracts flies and it takes ages. With the air fryer, we put them into smaller trays, set the temp and timer, turn it half way and/or change the shelf, and we are done. It is just faster, easier and cleaner.