May 11, 2015· Even after two years, my Thunderbird 500 turns many curious heads, enquiring about the cost, power, comfort, etc. The last, but not the least, I am able to smoothly kickstart my Thunderbird 500 in the very first attempt; but not so in case of my son's Classic 500, which requires many attempts. So, in nutshell, my vote goes to my Thunderbird 500!