(LEAD) Kia to launch Stinger sports sedan in May, with independent badge
(ATTN: ADDS details in 8th para, last two paras)
By Choi Kyong-ae
SEOUL, March 27 (Yonhap) -- Kia Motors Corp., South Korea's second-biggest carmaker by sales, said Monday it will domestically launch its Stinger sports sedan in May in a move to strengt