How much is this car?

这辆车多少钱？

Zhè liànɡ chē duōshǎoqián ？

Notes:

这(Zhè):this

辆( liànɡ): measure word for car

车(chē): car

多少钱( duōshǎoqián): how much money

Example:

A：这辆车多少钱？

     Zhè liànɡ chē duōshǎoqián ？

     How much is this car?

B：3000美元。

     3000 měiyuán.

     3000 dollars.