This July, the existing 2012 Toyota Prius is joined by the seven-seat Toyota Prius+ and the new Toyota Prius Plug-in hybrid, the most advanced road car we have ever made.
But while this is great news for Toyota hybrid fans, it’s posing us a problem.
Exactly what is the plural of Prius? What should you call a line-up of all three cars?
We need your help to answer this difficult question, and have launched a new, simple to use, app on Facebook to record your thoughts. Vote now at http://www.facebook.com/ToyotaUK
