Difference between AWD and 4WD

来源: 于 2009-08-20 19:13:34 [旧帖] [给我悄悄话] 本文已被阅读：次

Here is a link and it explains almost everything.
http://wiki.answers.com/Q/What_is_the_difference_between_an_AWD_and_4WD_vehicle