Question: what is the difference between 2015 kia optima lx ex and sx?
Answer: The Optima is available in three trim levels; LX, EX, SX, SX Turbo and SXL Turbo. The LX, EX and SX are equipped with a naturally-aspirated 200-hp 2.4-liter DOHC four-cylinder. The SX Turbo and SXL Turbo use a turbocharged 274-hp 2.0-liter four-cylinder. ... The Optima is a carry-over model for 2015.