Originally debuting with aÂ2.4-liter four-cylinder meant for optimum fuel economy, Chevy is now teasing the powerhouse of the Malibu lineup, the Malibu Turbo model which will beÂavailableÂthis fall. Under the hood of the 2013 Malibu Turbo is a 2.0-liter turbocharged four-cylinder that pumps out 259 hp and 260 lb-ft of torque.