Only if it's of greater complexity and has the below listed things does it need differences training with an instructor, which was what I alluded to, perhaps unclearly. Otherwise it's a familiarisation flight that can be achieved by - well - familiarising yourself with the aircraft.
VP props.
Retractable undercarriage.
Turbo engines.
Cabin pressurisation.
Tail wheel.
EFIS cockpit.
Goes over 140kts.
Single Lever Power Control - this one is so silly they should really consider harakiri for the betterment of mankind. Just beyond.