The standard features of the Subaru Impreza WRX STi Base include 2.5L H-4 300HP engine intercooled turbo, 6-speed manual transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, driver and passenger side airbag head extension, air conditioning, 17" BBS alloy wheels, cruise control, all-wheel drive, power mirrors, and power windows.