Can you give us more background information. 48" ranges are inherently expensive, have a small market, only few home chefs can make good use of them, and require extensive and costly infrastructure (oversized custom hood, loss of upper and lower cabinets, very expensive make up air system, ...)

So, you'll be looking at tens of thousands of dollars for this design choice anyway. It is then counter intuitive why you would want to go for a budget brand to save a little bit on the most important component.

It is quite possible that you are one of the few people who actually would benefit from a 48" ranch. So, if you can tell us your intended use case, we could give you good advise. But more likely than not, there are much more functional and ultimately less expensive options that would do a better job at achieving your goals.

Or maybe, you never really cook much and you only want a 48" range for the looks. While not a popular view in this forum, I understand that some people do make this decision. If so, please let us know, and again, we might be able to provide better suggestions.

If you post information about the scope of your project, pictures of your kitchen, maybe even a floorplan, your budget, your cooking style, and what you would like to achieve, then I am sure you'll get lots of suggestions.

Also, personally, I question the need for dual fuel. It makes things expensive, and almost all the brands have quality control problems. Even otherwise reputable brands like Wolf. They all seem to have problems where after a few years the enamel flakes of and leaves sharp bits of glass in your food. Better stick with either all gas, or get wall ovens that are known to be good (e.g. Bluestar or Miele). In my experience, the difference in cooking and baking between gas and electric is sufficiently small to not matter much. The difference between a good and a bad oven is much bigger, though. And if you buy a specialty oven such as a combination steam oven, then you are really starting to see the benefits.