The 2013 hyundai sonata engine is engineered for maximum fuel efficiency, notably the 2.4L inline-4 engine choice. Rated at up to 35 MPG on the highway, this engine blends fuel economy with appropriate power, making it ideal for commuters and people trying to save money on petrol. Fuel-saving technologies such as dual continuously variable valve timing (CVVT) aid to reduce fuel usage. For those looking for a little extra oomph, the 2013 hyundai sonata engine option, which produces 274 horsepower. This engine strikes a balance between quick acceleration and smooth power delivery, making it perfect for highway merging and passing while retaining respectable fuel efficiency. The turbo type is ideal for drivers who want a sporty driving experience.