Для правильного вопроса надо знать половину ответа
WITH `cte` AS (
SELECT `ID`, `UserName`, `Car`, `Time`, `Date`, `NumberServer`,
ROW_NUMBER() OVER `win` AS `order`
FROM `dragsf`
WINDOW `win` AS (PARTITION BY `Car` ORDER BY `Time`)
) SELECT *
FROM `cte`
WHERE `order` = 1