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2014 Civic Natural Gas Specifications
Engineering
  Natural Gas Natural Gas with Leather
Engine Type In-Line 4-Cylinder In-Line 4-Cylinder
Engine Block/Cylinder Head Aluminum-Alloy Aluminum-Alloy
Displacement (cc) 1798 1798
Horsepower @ rpm (SAE net) 110 @ 6500 110 @ 6500
Torque (lb-ft @ rpm) 106 @ 4300 106 @ 4300
Redline (rpm) 6700 6700
Bore and Stroke (mm) 81 x 87.3 81 x 87.3
Compression Ratio 12.7 : 1 12.7 : 1
Valve Train 16-Valve SOHC i-VTEC® 16-Valve SOHC i-VTEC®
Multi-Point Natural-Gas Fuel Injection Standard Standard
Drive-by-Wire™ Throttle System Standard Standard
Front-Wheel Drive Standard Standard
Eco Assist™ System Standard Standard
CARB Emissions Rating[1]  AT-PZEV AT-PZEV
Direct Ignition System with Immobilizer Standard Standard
Battery 12V-45Ah (20Hr) 12V-45Ah (20Hr)
Alternator 12V-95Ah 12V-95Ah
100K +/- Miles No Scheduled Tune-Ups[2]  Standard Standard
Transmission
  Natural Gas Natural Gas with Leather
Compact 5-Speed Automatic Transmission    
Gear Ratios: 1st: 2.666, 2nd: 1.534, 3rd: 1.022, 4th: 0.721, 5th: 0.525, Reverse: 1.957, Final Drive: 4.44 Standard Standard
Body/Suspension/Chassis
  Natural Gas Natural Gas with Leather
Unit-Body Construction Standard Standard
MacPherson Strut Front Suspension Standard Standard
Multi-Link Rear Suspension Standard Standard
Stabilizer Bars (mm., front/rear) 19.0 / 17.0 19.0 / 17.0
Motion-Adaptive Electric Power-Assisted Rack-and-Pinion Steering (EPS) Standard Standard
Steering Wheel Turns, Lock-to-Lock 2.87 2.87
Steering Ratio 14.89 14.89
Turning Diameter, Curb-to-Curb (ft.) 34.8 34.8
Power-Assisted Ventilated Front Disc/Rear Drum Brakes (in., front/rear) 11.1 / 8.7 11.1 / 8.7
Wheels 15" Lightweight Alloys 15" Lightweight Alloys
All-Season Tires P195 / 65 R15 89H P195 / 65 R15 89H
Tire Repair Kit (TRK) with 24-Hour Assistance Standard Standard
 
[1]  AT-PZEV (Advanced Technology Partial Zero-Emission Vehicle) models as certified by California Air Resources Board (CARB) are available in California and states that have adopted California Zero-Emission Vehicle regulations.
[2]  Does not apply to fluid and filter changes. Will vary with driving conditions. Please see your Honda dealer for details.