The 2015 kia optima engine are designed with performance and fuel economy in mind. The 2.4L inline-4 engine offers an impressive fuel economy of around 23 mpg in the city and 34 mpg on the highway. If you opt for the 2.0L turbocharged engine, you’ll get slightly lower fuel efficiency at 20 mpg in the city and 31 mpg on the highway, but the e […] View
