The 2015 Kia Optima is a midsize sedan available in several trims (LX, EX, SX, SX Turbo, SXL Turbo) and powertrain options. It features a base 192-horsepower 2.4L engine or an available 274-horsepower 2.0L turbocharged engine, both paired with a 6-speed automatic transmission. The Optima is known for its stylish coupe-like silhouette, spacious interior with comfortable seating, and practical 15.4 cubic feet of trunk space.