他有辆性能不稳定的车。用英语怎么说？

他有辆性能不稳定的车。

He had an unreliable car.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

unreliable

adj. 不可靠的，靠不住的，不能信任的；

例句
She decided to divorce her increasingly faithless and unreliable husband.
她决定与越来越花心、越来越靠不住的丈夫离婚。

car

n. 汽车，车厢，轿车；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。