2011
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2011 Civic Si Coupe Specifications
Body/Suspension/Chassis
  Si
Unit-Body Construction Standard
MacPherson Strut Front Suspension Standard
Multi-Link Rear Suspension Standard
Stabilizer Bar (mm, front/rear) 28.0 (solid) / 17.0
Electric Power-Assisted Rack-and-Pinion Steering (EPS) Standard
Steering Wheel Turns, Lock-to-Lock 2.65
Steering Ratio 13.62
Turning Diameter, Curb-to-Curb (ft) 35.6
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)[1]  215 / 45 ZR17 91W
Compact Spare Tire Standard
Exterior Measurements
  Si
Wheelbase (in) 104.3
Length (in) 175.5
Height (in) 55.0
Width (in) 68.9
Track (in, front/rear) 59.0 / 60.1
Curb Weight (lbs, MT/AT) 2895 / NA
Weight Distribution (%, front/rear, MT) 61 / 39
Interior Measurements
  Si
Headroom (in, front/rear) 37.8 / 34.7
Legroom (in, front/rear) 42.6 / 30.3
Shoulder Room (in, front/rear) 53.9 / 52.1
Hiproom (in, front/rear) 53.0 / 49.2
Cargo Volume (cu ft) 11.5
Passenger Volume (cu ft) 83.0
Seating Capacity 5
 
[1]  Michelin®, Pilot® and Exalto® are registered trademarks of Michelin North America, Inc.