Um . . . I haven't named mine in the 7 years I've owned it. How horrible of me.
But my older sister drove my mom's old Pontiac Catalina 2-door coupe in high school. Pale salmon color w/huge back fins. Thing was a tank. No power steering or brakes.
She named it 'Ethel the Whisper Jet.'
Maybe that's why I never named my cars. I can't top that.