Slightly restyled with new headlights, the 2012 Toyota Prius is a mid-size five-door hybrid hatchback powered by a 1.8-liter 4-cylinder gasoline engine that produces 98 hp/105 lb-ft of torque and an AC synchronous motor that yields 80 hp/153 lb.-ft of torque. An electronically controlled continuously variable transmission paired with FWD enables an EPA estimated 51 mpg city and 48 mpg highway. Additional factors that contribute to superior fuel economy are the aerodynamic design and "Eco" driving mode. Features consist of 17-inch alloy wheels, power moonroof, air conditioning equipped with pollen/dust filtration, voice-activated touch-screen DVD/navigation system, 4-disc CD changer, remote keyless entry with push button start and hands-free phone capability. Safety includes enhanced vehicle stability control, traction control, anti-lock brake system, electronic brake-force distribution, brake assist, smart stop technology, lane keep assist, front airbags, driver's knee airbag, hill start assist control and engine immobilizer. The Prius is backed by a 3-year/36,000-mile warranty.