What is the difference Solo UTV Driver,Tandem UTV Driver,Tandem UTV Passengers?

There is a different price depending on what your group wants to do. If everyone wants to drive themselves the whole time then you would choose a Solo option. If you are ok with sharing then choose the Tandem. If you have more than two people and they don't want to drive, add them as Passengers (like kids or young adults who do not have a license).