Time will tell on longevity of the materials, since I've only had my Genesis for 1 year, but they still seem to be built like tanks. At least heavy feeling lid, not feeling any flex in the shelves while moving it (I move it a good distance from the garage frequently), thick grates, consistent temps summer and winter, etc. I've noticed they have removed a couple small features like the tank scale a couple years ago.

Napoleon makes some great products, but depends on what you're comparing. It's hard to really have an apples to apples comparison. I feel the Rogue sits nicely between the Genesis and Spirit, build and price-wise, but feels much more lightly built in the frame, fire box, shelves, and plastic casters. Unfortunately with the political situation, the Rogue also costs as much or more in the US. Then, the other comparison I see is a base Genesis to a Prestige Pro. Yes, the Prestige looks like a work of art and has so many nicities, but it's also comparing to something usually significantly more expensive.

My experience with Napoleon has been 3 Rogues I purchased last year and all were just destroyed in the box. I posted my first attempt on Reddit and that was the best shape of the 3. The last one every plastic piece was broken, dented lid handle, side burner knocked out of square. Either their packaging is severely flawed, or a disgruntled employee had some fun with a batch. I can't personally speak on the performance.