四轮驱动 means 4X4, there are 4 hi, 4 low and auto , auto measn awd, all wheel drive, 4X4, most time is 2 rear wheel drive, cost more gas ccompare with front wheel drive, most vechicle like that, SUBARU most time is AWD, most eurpean car are AWD, like Auti, BMW VW, Benz. if you don't live in the country, or towing the bat in Summer, you don't need, just regual AWD will be ok in winter. Every brand SUV has FWD, and AWD, any way, AWD will @ $2500-3000 more than the FWD at same level. if you want have real 4X4, small size one 4 cylinder, you could go Suzuki, sorry fogot the name. Toyato RAV4, (have recall) Honda CR-V or polit, nissan X-tril, hyuandai tusun, and kia sportage. but has to remember the gas will cost more for sure.