The 2009 Acura MDX is a midsize seven-passenger crossover SUV. Standard equipment includes 18-inch wheels, xenon HID headlights, a sunroof, tri-zone automatic climate control, a power tilt/telescoping steering column, heated eight-way power front seats with driver lumbar adjustment, a 50/50-split-folding third-row seat, leather upholstery, a trip computer and Bluetooth. An eight-speaker stereo with an in-dash six-CD changer, satellite radio and an auxiliary audio jack is also standard.There are three options packages available (although Acura considers them trim levels). The Technology Package adds a power liftgate, a cell phone address book downloading feature that connects via Bluetooth, a voice-activated navigation system with real-time traffic, GPS-linked and solar-sensing climate control and a 10-speaker Panasonic/ELS surround-sound system. The Sport Package includes all the Technology Package items, plus an active sport suspension, auto-leveling headlights, different 18-inch wheels, perforated leather upholstery and metallic interior trim. The Entertainment Package can be ordered with either of the former packages and includes heated second-row seating, a 115-volt house-style power outlet and a rear-seat DVD entertainment system.