2006 Honda Civic Si Manual. Black 2006 Honda Civic Si FWD 6-Speed Manual with Overdrive 2.0L I4 DOHC 16V i-VTEC Civic Si, 2D Coupe, 2.0L I4 DOHC 16V i-VTEC, 6-Speed Manual with Overdrive, FWD, Black. Recent Arrival! 23/32 City/Highway MPG Awards: * NACTOY 2006 North... via AutoRevolution