In 2009, the Volkswagen Jetta Sedan introduces the diesel-fueled TDI engine and adds stability control, heated seats, heated washer nozzles and an optional navigation system upgraded to include a touch-screen interface and a 30GB hard drive. Seating five passengers, the base VW Jetta sedan trims are powered by a 2.5L five-cylinder engine producing 170 hp and 177 lb-ft of torque, paired to a standard five-speed manual transmission, while a six-speed automatic with Tiptronic auto-manual capability is optional. EPA fuel economy for the base trims is 21 mpg city/29 mpg hwy and 24 mpg in combined driving. The Wolfsburg Edition is powered by a turbocharged 2.0L four-cylinder engine that generates 200 hp and 207 lb-ft of torque with a six-speed manual, while the dual-clutch DSG transmission is optional. The manual yields 20/29/24 mpg, while the DSG improves fuel economy slightly. The TDI features a 2.0L turbo-diesel engine that revs up140 hp and 236 lb-ft of torque with either the six-speed manual or DSG transmission. Volkswagen Jetta TDI fuel economy with a manual is estimated to be 30/41/34 mpg. Safety equipment includes antilock disc brakes, stability and traction control, and a full array of airbags.