Four of the luxury cars would cost more than US$10,000 to fix, while similar tests on mid-size cars caused as much as US$9,000 in damage, said researchers at the Arlington, Virginia-based institute.

• 有四种豪华轿车将要花费超过10,000美元维修，而在对中级轿车的类似测试中最多的损坏也就9,000美元，位于弗吉尼亚阿灵顿的该机构的研究人员表示。