I dont know the weight of either but I do know larger diameter tires also weigh more than smaller tires and thats often overlooked. So even if your 19's weighed 25lbs. The tires will likely be heavier than anything smaller. I can see how they pulled off 25lb 19's. Thats as easy as the process used to make them. What I don't know is how they pulled it off so cheaply (they aren't very expensive for there size, weight and looks).