The 2009 Volkswagen GTI is a performance-oriented hatchback offered in both two-door and four-door body styles. Standard equipment includes xenon HID headlights, 17-inch alloy wheels, heated outside mirrors, full power accessories, air-conditioning, cruise control, sport front seats, a 60/40-split-folding rear seat and a 10-speaker, six-CD/MP3 audio system with satellite radio, an auxiliary jack and steering-wheel-mounted audio controls.The Autobahn Package adds a sunroof, a premium audio system, leather upholstery and heated front seats with power-adjustable lumbar support. Most of the Autobahn's features are also offered as stand-alone options. The Thunderbunny Package adds sporty exterior styling elements such as a front spoiler and a rear valance. Other upgrades for the GTI include 18-inch wheels, an iPod adapter and, when equipped with the Autobahn Package, a navigation system.