Modified with a prototype GReddy turbocharger for street use, the Civic Si Concept produces 230-horsepower. Underneath, the Civic Si Concept employs a Honda-developed racing suspension with a widened track and high-performance springs, shock absorbers, Brembo brakes, 18-inch wheels and more.
Parts of the body that channel air for cooling and heat exhaustion are constructed of nickel carbon fiber. The interior houses carbon fiber race seats and a Mugen digital display replaces the traditional gauges with a multi-program LCD screen that can convey extensive engine information. An additional Mugen information center with an LCD screen mounted on the center of the instrument panel provides additional on-board diagnostics.
Exterior Modifications: Rally-inspired body kit, 18-inch polished titanium-finish wheels, carbon fiber grill, front intake and rear bumper diffuser, black chrome finish headlights and smoked taillights, high-mounted 2-stage rear wing.
Interior Modifications: Mugen carbon fiber and Kevlar race seats covered in red Alcantera suede with 6-point racing harness, sport 3-spoke steering wheel, aluminum pedals and shift knob, Mugen high performance LCD screen gauge package, center mounted information display.
Story by Toyota
In Detail
| submitted by | Richard Owen |
| engine | All Alumunum, Inline-4 |
| position | Front Transverse |
| aspiration | GReddy T518Z Turbocharger w/Wastegate & Intercooler |
| valvetrain | DOHC, 4 Valves per Cyl w/i-VTEC |
| fuel feed | Programmed Fuel Injection |
| displacement | 1998 cc / 121.9 in³ |
| bore | 86 mm / 3.39 in |
| stroke | 86 mm / 3.39 in |
| power | 171.5 kw / 230.0 bhp |
| specific output | 115.12 bhp per litre |
| body / frame | Unit Steel |
| driven wheels | FWD |
| front brakes | Brembro Vented Discs |
| f brake size | mm / in |
| rear brakes | Brembro Vented Discs |
| r brake size | mm / in |
| steering | Rack & Pinion w/Variable Assist |
| f suspension | MacPherson Struts |
| r suspension | Double Wishbones |
| transmission | 5-Speed Manual |
| gear ratios | 3.062:1, 1.769:1, 1.212:1, 0.921:1, 0.738:1, :1 |
| final drive | 4.764:1 |
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