The Markings on the Tire are puzzling. Here are the pieces.
Sidewall Outer Circle
 

P as in  P215/65 R  16    89H   M+S
The “P” indicates the tire is for passenger vehicles.
LT =  light truck
HT = Heavy truck
ST = Special Trailer tire
TT = Tractor tire

Nominal Width  (215)
This three-digit number gives the width in millimeters of the [...]