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2011 Civic GX Specifications
EPA Mileage Estimates[1] / Fuel
5-Speed Automatic Transmission (City/Highway/Combined) 24 / 36 / 28
Crankcase (qt) 4.7
Coolant System (qt) 7.0
Fuel (Gasoline Gallon Equivalent; GGE) 7.8 @ 3600psi
Required Fuel CNG
[1]  Based on 2011 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.