What is the average speed of a wild panther?

Panther is a generic term and does not apply to a single species. It may refer toa lion - panthera leo - Africa and Asia

a tiger - panthera tigris - Asia

a leopard - panthera pardus - Africa and Asia

a jaguar - panthera onca - South and Central America

a snow leopard - panthera uncia - Asia

To which panther species were you referring?