I am 38.  Here is my list.
1968 Ford Galaxie (first car)
1967 Ford LTD (289 engine, 7 mpg)
1972 Olds Cutlass
1969 Pontiac LeMans (why did I sell it)
1976 Chevy Caprice (great make-out car)
1985 Chevy Camaro
1990 Chevy Camaro RS(BEST CAR EVER)
1994 Eagle Summit
1993 Nissan NX2000 (FOR SALE)
1997 Honda Accord (boring)
2002 Chevy Tracker
2001 Mitsu Galant (nice, but not what I really wanted)
1990 Geo Tracker
2002 Mitsu Montero Sport
81 Kaw LTD 550
92 Kaw Concours
91 Kaw Zephyr
83 Yamaha Venture
99 Yamaha Venture
82 Honda CB 650
95 Yamaha Virago 1100
81 Honda CB 900 (traded for 90 Tracker)
02 Kaw Nomad
Since  you asked about bikes...

Schwinn Sting Ray
Schwinn Varsity 24"
Schwinn Continental
Trek 850