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2012 Civic Si Coupe Specifications
Engineering
  Si
Engine Type In-Line 4-Cylinder
Engine Block/Cylinder Head Aluminum-Alloy
Displacement (cc) 2354
Horsepower @ rpm (SAE net) 201 @ 7000
Torque (lb-ft @ rpm) 170 @ 4400
Redline (rpm) 7000
Bore and Stroke (mm) 87 x 99
Compression Ratio 11.0 : 1
Valve Train 16-Valve DOHC i-VTEC®
Stainless Steel Exhaust Manifold Standard
Multi-Point Fuel Injection Standard
Drive-by-Wire™ Throttle System Standard
Front-Wheel Drive Standard
CARB Emissions Rating ULEV-2[1] 
Direct Ignition System with Immobilizer Standard
100K +/- Miles No Scheduled Tune-Ups[2]  Standard
Transmissions
  Si
Close-Ratio 6-Speed Manual Transmission Standard
Gear Ratios: 1st: 3.267, 2nd: 2.040, 3rd: 1.429, 4th: 1.073, 5th: 0.830, 6th: 0.647, Reverse: 3.583, Final Drive: 4.76  
Helical Limited-Slip Differential Standard
Body/Suspension/Chassis
  Si
Unit-Body Construction Standard
MacPherson Strut Front Suspension Standard
Multi-Link Rear Suspension Standard
Stabilizer Bar (mm, front/rear) 18.0 / 15.0
Motion-Adaptive Electric Power-Assisted Rack-and-Pinion Steering (EPS) Standard
Steering Wheel Turns, Lock-to-Lock 3.11
Steering Ratio 16.08
Turning Diameter, Curb-to-Curb (ft) 35.4
Power-Assisted Ventilated Front Disc/Solid Rear Disc Brakes 11.8 / 10.2
Wheels 17" Alloys
All-Season Tires P215 / 45 R17 87V
Michelin® Pilot® Exalto® PE2™ Summer Tires (available)[3]  215 / 45 ZR17 91W
Compact Spare Tire T135 / 80 R16 101M
 
[1]  ULEV-2 (Ultra-Low-Emission Vehicle) models as certified by the California Air Resources Board (CARB).
[2]  Does not apply to fluid and filter changes. Will vary with driving conditions. Please see your Honda dealer for details.
[3]  Michelin®, Pilot® and Exalto® are registered trademarks of Michelin North America, Inc.