Check out the most expensive private jets on the market! After some calculations—adding the values and dividing by one million—the index for May of 2015 is 23.2.
2008 Gulfstream G550 $32,900,000
2013 Gulfstream G450 $27,950,000
2010 Legacy 650 $22,890,000
2007 Gulfstream G450 $19,250,000
1997 Gulfstream V s/n 524 $12,995,000
Again, the index for May of 2015 is 23.2.