* 1.8L Ecotec: This 4-cylinder engine produced 138 horsepower and 125 lb-ft of torque.
* 1.4L Turbocharged Ecotec: This 4-cylinder engine produced 138 horsepower and 148 lb-ft of torque.
So, depending on the specific trim level and configuration, the 2014 Chevrolet Sonic could have either a 1.8L or 1.4L engine.