请给我的新西兰南岛自驾十日游行程提提意见吧

9.14：Guangzhou—Auckland—Christchurch
9.15：Christchurch—Greymouth —Hokitika
9.16: Hokitika—Franz Josef—Fox Glacier
9.17: Fox Glacier—Haast—Wanaka
9.18: Wanaka—Arrowtown—Queenstown
9.19: Queenstown
9.20: Queenstown—Glenorchy—Paradise—Queenstown
9.21: Queenstown— Cromwell—mt cook
9.22: mt cook-lake tekapo
9.23：lake tekapo- christchurch
9.24: christchurch—Auckland
9.25：Auckland—Guangzhou
这个行程紧张吗？我们四人租车，车技不是很好，开西线山路有问题吗？请大家给点建议，谢谢！