The spacing between vinyl fence posts can vary depending on several factors, including the style of the fence, the size and type of the vinyl panels or pickets, and the manufacturer’s recommendations. Here are some general guidelines to consider:

1. Panel or Picket Width: The width of the vinyl panels or pickets will be a significant factor in determining the spacing between posts. Common panel widths for vinyl fences are typically 6 feet, 8 feet, or 10 feet.
2. Fence Style: Different fence styles may have different spacing requirements. For example, privacy fences with solid panels will have tighter post spacing compared to picket fences with open spaces between the panels.
3. Local Building Codes: Check with your local building department or municipal code to see if there are any specific requirements for fence post spacing in your area. Local codes can vary, and they may dictate a minimum or maximum distance between posts for safety and structural reasons.
4. Manufacturer’s Recommendations: Always refer to the manufacturer’s installation instructions and guidelines that come with your specific vinyl fence product. Manufacturers often provide recommendations for post spacing to ensure the fence’s stability and durability.
5. Climate and Wind Load: Consider your local climate and potential wind loads. In areas with high winds, you may want to reduce the spacing between posts to provide additional stability for the fence.
6. Gate Placement: The spacing between posts can also be influenced by the placement of gates. Gates require additional support, so the spacing of posts may be adjusted to accommodate the gate’s width and weight.
7. Aesthetics: The spacing between posts can also be chosen for aesthetic reasons. Some people prefer a more open look with wider post spacing, while others prefer a more solid appearance with narrower spacing.

As a general guideline, for 6-foot-wide vinyl panels on a privacy fence, post spacing of around 6 to 8 feet is common. However, it’s essential to consult the manufacturer’s recommendations for your specific fence product, as they may have specific requirements based on their design and engineering considerations.

When planning your vinyl fence installation, it’s a good idea to mark the locations of the posts, measure the panel or picket width, and space the posts accordingly to achieve the desired look and meet any local requirements. If you have any doubts or questions about post spacing, consider seeking advice from a professional fence installer who is familiar with your specific fence type and local regulations.