[Modshack]

I'll start. 69 total over 50 years...I'm pretty eclectic in my interests.
Not a lot of GM cars on the list. Most prominent brand: Porsche
(does not include 20+ Honda Company cars and 30+ motorcycles)

In order of acquisition:

1957 MGA
1964 Corvair Turbo Spyder
1958 Austin Healey 3000
1964 VW
1967 Fiat 1100
1968 MGB-GT
1971 Toyota Celica *
1969 MGB-GT
1967 Austin Healey 3000
1974 Datsun 260Z *
1974 Datsun Pickup *
1970 Volvo 142
1978 Ford Fickup *
1966 Corvette Conv.
1970 Ford Pickup
1968 Jaguar XKE (Ford V8)
1971 Fiat 128 Wagon
1978 BMW 320I
1966 Porsche 911S
1979 VW Rabbit *
1983 Chevy S-10 *
1985 Chevy Astro Van *
1971 Porsche 911E
1980 Honda Civic
1981 Honda Civic Wagon *
1985 Honda Civic CRX-SI
1985 Nissan Pickup *
1985 Porsche 944
1974 Porsche 911 Euro Targa
1990 Honda Accord 4 dr *
1989 Acura Legend 4 dr.
1986 Alfa Graduate
1990 Mazda Miata *
1987 Honda Civic Wagon
1988 Nissan Pathfinder *
1982 Porsche 911SC
1991 Ford Explorer *
1985 Honda 4WD wagon
1993 Mercury Villager Van*
1988 Porsche 911 Carrera
1997 Honda Civic *
1998 Ford F-150 Pickup *
1995 Porsche 993
1999 Miata*
2000 Ford Explorer V8*
1999 Toyota Corolla
1999 Honda CRV*
2001 Audi TT*
2001 Toyota Tacoma*
1990 Miata
2000 Porsche Boxster
2007 Honda Element *
2007 Jeep Wrangler *
2008 Corvette Coupe.. *
2006 Mini Cooper S
2005 Ford Escape
2003 VW GTI 20th AE
2009 Nissan 370Z*
2011 Mustang GT *
2007 Nissan Frontier
2011 VW GTI *
2013 Mazda CX-5 *
2006 Porsche Cayman
2013 Beetle TDi Conv * (65)
2014 Corvette *
2015 Chevy Colorado Z71 Crew *
2014 Mazda Miata
2016 Chevy Camaro *

* Bought new

(still have the Beetle, Colorado, CX5 and Camaro)