I bought a car model from him that I did not need.

我从他那里买了一个我不需要的汽车模型。

youdao

I need a new car, but my savings won't stretch to it.

我需要一辆新车，但我的积蓄不够。

《牛津词典》

I need a sports car.

我需要一辆跑车。

youdao

I really need to get a car by next week. I need it for work.

我下周得买辆车。我得开车去上班。

How can I 实战 - SpeakingMax英语口语达人

But now, another question has begun to percolate: do I need a car at all?

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Mr. SETZER: (Singing) I don't need no movie car(ph), falling star, new, new guitar, the jukebox in a funky bar, and one more night with you.

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"I need you to get back in the car, and there ain't no way to use it out here, " the trooper responds.

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