✔ 最佳答案
If not counting the MyCar developed by Polytechnic University which was sold at HK$97,000 in 2009, I believe the cheapest NEW car for sale in Hong Kong right now is Kia Morning LX, which is HK$99999
http://www.kia.com.hk/sys/images/file/pricelist.pdf
You can take a look at this website here for other brands' pricelists.
http://www.automomo.hk/%e8%bb%8a%e5%83%b9%e8%a1%a8/2013-%e8%bb%8a%e5%83%b9%e8%a1%a8
P.S. Once again, answer and information provided by 不雅之苦/no3lunch is wrong.