I'm very excited about Indian Wells and Miami coming!
But the Miami surface is more slower than Indian Wells no?!
Indian Wells is a PlexiPave IW court
, which is rated Category 1 Slow in the plexipave article.
Miami is Laykold Cushion Plus surface
which is rated Category 1 Slow in the Laykold article.
Slow is the slowest rating and is a typical rating for most clay courts.
What's a bit strange is that both of these hard court surfaces have been rated as Medium-Slow by the ITF in their most recent tests shown on the ITF tech site. This might be explained by two or three things. The latest tests of the surface were done on newer versions of the surface (companies typically submit a sample for test purposes), or the scale has been adjusted somewhat (kind of doubt this), or the courts were on the border between slow and medium-slow (more likely).
In any case players have rated these courts as among the slowest outdoor courts (along with Shanghai) on the tour. It seems that the consensus says that Indian Wells plays slower than Miami because the bounce is higher at IW.