I don't have P5, but I have both toro nero and plus 4. I use Plus 4 in buggy and toro nero in truggy. I was also considering P5 at the moment I purchased toro nero. I know they are at different price point. But, if you have a truggy, you might want to consider toro nero, too.
http://www.rc-toro.com/product_info....5b504d84207e52