The 2005 Acura MDX returns with no major changes. New features for this year include XM satellite radio, Bluetooth enabled HandsFreeLink mobile phone interface, and the addition of OnStar services with the navigation system. The MDX continues to be powered by a 3.5L 265-hp V6 engine and a standard five-speed automatic transmission with overdrive and Grade Logic Control. Touring models are equipped with an eight-way power passenger seat, rain-sensing wipers, and memory functions for outside mirrors and driver`s seat. Standard features on all models include a power moonroof, automatic climate control, and a Homelink universal transmitter. A rear seat DVD entertainment system and a vehicle navigation system are available on the Touring models.