1.5-liter, 8-valve, SOHC i-VTEC® engine
The 1.5-liter, single overhead camshaft, aluminum-alloy i-VTEC® 4-cylinder engine uses state-of-the-art engineering technology to produce impressive power, yet it still helps the Civic Hybrid achieve excellent fuel efficiency and an Advanced Technology Partial Zero-Emission Vehicle (AT-PZEV) rating, all on regular gasoline.
 44 city/44 hwy/44 combined mpg. Based on 2012 EPA mileage estimates. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.
 AT-PZEV (Advanced Technology Partial Zero-Emission Vehicle) models as certified by California Air Resources Board (CARB) and states that have adopted California Zero-Emission Vehicle regulations.