I don't consider some of these cars girly, but I see a lot of girls driving them now a days.

Mazda RX-8
Toyota Corolla
Mazda Miata
VW Jetta
Mini Cooper
Ford Mustang
VW New Beetle
Pontiac G6
Acura RSX
Mitsubishi Eclipse
Hyundai Tiborun
Ford Focus
Chevy Cobalt
Nissan Sentra
Nissan Altima
Honda Civic
Kia Soul


Edit:

Scion TC
Nissan Cube
Toyota Yaris
PT Cruiser