Infiniti is the name of Japanese luxury car starting with the letter I.
The model of a car starting with an a is Audi and they are a few other to name
Omsk
Octopus
Olive bread.
Otto
acura
Oldsmobile and Opel are the only car manufacturers I can name that start with O.
car+o+lina
Oprah Orlando olsen
olga
over and under