Two years ago, Subaru moved upscale with the Legacy sedans and wagons. For 2007, the carmaker hits its stride with premium technology, including and upgraded engine and a sporty new Legacy GT spec.B.The 2.5-liter turbocharged boxer engine has been upgraded to an impressive degree, with the introduction of a technology that's currently only available on some BMWs and Ferraris. Called Subaru Intelligent Drive (SI-Drive), it allows a driver to twist a knob to select one of three engine performance levels: Intelligent (economy), Sport (sport) and Sport Sharp (high performance).Click here to read more