The standard features of the Chevrolet Impala LT include 3.6L V-6 305hp engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), 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, ABS and driveline traction control, StabiliTrak electronic stability.