The standard features of the Honda Civic Si Base include 1.5L I-4 200hp intercooled turbo engine, 6-speed manual transmission with overdrive, 4-wheel anti-lock brakes (ABS), SmartVent side seat mounted airbags, curtain 1st and 2nd row overhead airbags, rear side-impact airbag, driver and passenger knee airbag, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, Adaptive Cruise Control (ACC) distance pacing, ABS and driveline traction control, electronic stability.