15 inch temporary use tire, T125/70D15.
The bolt pattern is 5 on 4-1/2
PIck up in SE Regina.
To find out what size temp tire you need,
see the link below:
http://www.roadkillcustoms.com/hot-rods-rat-rods/wheel-bolt-pattern-cross-reference-database.asp?Makes=TOYOTA&Models=PRIUS#axzz4yK9xuI4o