How about changing this question to "cars that I drove and owned since I started driving" (since I spent half my working life travelling and driving on rentals)?
- 84 GM Stationwagon
- 85 Volvo 240
- 88 Mercedez 420SEL
- 89 Dodge Minivan
- 93 Volvo 850
- 94 Dodge Minivan
- 96, 97,98,99 Chevrolet Cavalier
- 97 Geo
- 97 Toyota Camry
- 97, 98, 99 Pontiac Sun Fire
- 97, 98, 99 Pontiac Grand Am
- 98, 99 Malibu
- 98, 99 Mustang (Convertible)
- 99 Lincoln Continental
- 99 Cadillac Deville
- 99 Chrysler Intrepid
- 03 BMW X5
- 06 Dodge Caliber
- 07 BMW 335i
... I am sure I have missed some as sometimes I don't even know what kind of American cars I have rented...