The Avalon is available in four trim levels: XL, Touring, XLS, and Limited. All are powered by a 268 hp 3.5-liter V6, connected to a six-speed automatic transmission with a sequential-shift feature. Standard safety features on all models include driver and front-passenger airbags, seat-mounted side-impact airbags, side curtain airbags, and a driver's knee airbag. Active safety features include anti-lock brakes with Electronic Brake-force Distribution.For 2008, the Toyota Avalon receives a new six-speed automatic transmission and more aggressive exterior styling, as well some interior trim upgrades.