2010 Kia Optima Problems: 1 Issue Every Owner Should Know
2010 model year · 77+ owner reports · Updated June 2026
According to Au7o's analysis of 77+ owner reports, the 2010 Kia Optima has 1 documented issue, with 1 rated critical. The most serious is Brake Switch Failure Causing Inoperative Brake Lamps and Shift Issues ($80-$220 repair). Across all issues with published estimates, repair costs range from $80 to $220. DIY maintenance guides at au7o.io.