http://ConcordKia.com/Specials 888-811-3006 Powering the 2014 Kia Optima Hybrid is a 2.4-liter four-cylinder gasoline engine paired with an electric motor and a six-speed automatic transmission. Combined power output is 199 hp and 235 lb-ft of torque. The Optima Hybrid EX gets an EPA-estimated 37 mpg combined (35 city/39 highway), while the LX model rates 38 mpg combined (36/40). During testing, a Kia Optima Hybrid went from zero to 60 mph in 8.7 seconds.