YOU SAID:

I like fast cars with predominantly automatic gears

INTO JAPANESE

主にオートマチックギアを備えた高速車が好き

BACK INTO ENGLISH

I mainly like high-speed cars with automatic gear

INTO JAPANESE

主に自動変速の高速車が好きである。

BACK INTO ENGLISH

I mainly like high-speed cars with automatic gear shifting.

INTO JAPANESE

主に自動変速の高速車が好き。

BACK INTO ENGLISH

I mainly like high-speed cars with automatic gear shifting.