2008 Civic Si Sedan Specifications
| Engineering | |
| Civic Si Sedan | |
| Engine Type | In-Line 4-Cylinder |
| Engine Block/Cylinder Head | Aluminum-Alloy |
| Displacement (cc) | 1998 |
| Horsepower @ rpm | 197 @ 7800 |
| Torque (lb.-ft. @ rpm) | 139 @ 6100 |
| Redline (rpm) | 8000 |
| Bore and Stroke (mm) | 86 x 86 |
| 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 | LEV-2 |
| Direct Ignition System with Immobilizer | Standard |
| 100K +/- Miles No Scheduled Tune-Ups* | Standard |
| Immobilizer Theft-Deterrent System | Standard |
| Transmissions | |
| Civic Si Sedan | |
| Close-Ratio 6-Speed Manual Transmission | Standard |
| Helical Limited-Slip Differential | Standard |
| Body/Suspension/Chassis | |
| Civic Si Sedan | |
| Unit-Body Construction | Standard |
| MacPherson Strut Front Suspension | Standard |
| Multi-Link Rear Suspension | Standard |
| Stabilizer Bar (mm., front/rear) | 27.0 (solid) / 17.0 |
| Power-Assisted Rack-and-Pinion Steering | Electric |
| Steering Wheel Turns, Lock-to-Lock | 2.65 |
| Steering Ratio | 13.62 |
| Turning Diameter, Curb-to-Curb (ft.) | 35.4 |
| Power-Assisted Ventilated Front Disc/Solid Rear Disc Brakes (in., front/rear) | 11.8 / 10.2 |
| Wheels | 17" Alloys |
| All-Season Tires | P215 / 45 R17 87V |
| Michelin® Pilot® Exalto® PE2™ Performance Tires (available) | 215 / 45 ZR17 91W |
| Compact Spare Tire | Standard |
* Does not apply to fluid and filter changes. May vary with driving conditions. See your owner's manual for more details.
