The standard features of the Acura RL 3.5 Nav System (A4) include 3.5L V-6 210HP engine, 4-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), navigation system, side seat mounted airbags, airbag occupancy sensor, automatic, 16" alloy wheels, cruise control, ABS and driveline traction control, and a stability control.