2009
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2009 Civic GX Specifications
Engineering
  GX
Engine Type In-Line 4-Cylinder
Engine Block/Cylinder Head Aluminum-Alloy
Displacement (cc) 1799
Horsepower @ rpm (SAE net) 113 @ 6300
Torque (lb-ft @ rpm) 109 @ 4300
Bore and Stroke (mm) 81 x 87.3
Compression Ratio 12.5:1
Valve Train 16-Valve SOHC i-VTEC®
Multi-Point Natural-Gas Fuel Injection Standard
Drive-by-Wire Throttle System Standard
Front-Wheel Drive Standard
CARB Emissions Rating AT-PZEV[1] 
Direct Ignition System with Immobilizer Standard
Battery 12V-36Ah/5Hr
Alternator 12V-90Ah
Transmission
  GX
Compact 5-Speed Automatic Transmission Standard
Gear Ratios: 1st: 2.666, 2nd: 1.534, 3rd: 1.022, 4th: 0.721, 5th: 0.525, Reverse: 1.957, Final Drive: 4.440  
Body/Suspension/Chassis
  GX
Unit-Body Construction Standard
MacPherson Strut Front Suspension Standard
Multi-Link Rear Suspension Standard
Power-Assisted Rack-and-Pinion Steering Standard
Steering Wheel Turns, Lock-to-Lock 2.7
Steering Ratio 13.7
Turning Diameter, Curb-to-Curb (ft.) 34.8
Power-Assisted Ventilated Front Disc/Rear Drum Brakes (in., front/rear) 11.1 / 8.7
Wheels 15" with Full Covers
All-Season Tires P195 / 65 R15 89H
Compact Spare Tire Standard
 
[1]  AT-PZEV (Advanced Technology Partial Zero-Emission Vehicle), as certified by California Air Resources Board (CARB) in California and states that have adopted California Zero-Emission Vehicle regulations.