They are both made from the same material - PVC or polyvinyl chloride. PVC is a rigid plastic, while vinyl is a flexible plastic. So PVC fences are more likely to crack in cold weather, while vinyl fences are more likely to sag in hot weather.

PVC fences are made with polyvinyl chloride (PVC), a type of plastic, while vinyl fences are made with polyvinyl chloride (PVC), a type of plastic. They are both made from the same material, but vinyl fences usually contain additional chemicals that make them more durable and longer lasting. Both PVC and vinyl fences have their pros and cons, but overall I would say that vinyl fences are a better choice. PVC fences can be brittle and tend to warp in extreme weather conditions, while vinyl fences are more flexible and can withstand colder temperatures and high winds without breaking or warping. Vinyl fences also come in a wider variety of colors and styles, so you have more choices to choose from.