For 2007, the RX 330 has been upgraded to the all new and improved RX 350. The new RX 350 is powered by a 3.5-liter 270-horsepower V6 engine mated to a five-speed automatic transmission; and comes in 2WD and AWD configurations. Standard features include power conveniences, automatic climate control, side curtain airbags, Lexus personalized settings, and a satellite-ready eight-speaker AM/FM/CD stereo with in-dash six-disc changer. The rear DVD entertainment system received an upgrade, from a seven-inch screen to a nine-inch screen. A Mark Levinson premium audio system package is available as an option; it includes an eleven-speaker system with DVD capabilities. Also available is a Navigation System that includes voice-recognition, rear backup camera, and Bluetooth technology.