The standard features of the Honda Civic Si Base include 1.5L I-4 205hp 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, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control, VSA electronic stability.