The standard features of the Nissan Altima 2.5 SL include 2.5L I-4 182hp engine, 2-speed Xtronic CVT transmission with overdrive, 4-wheel anti-lock brakes (ABS), integrated navigation system, 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, 17" aluminum wheels, cruise control, Intelligent Cruise Control (ICC) w/Full Speed Range and Hold distance pacing, ABS and driveline traction control.