Outstanding GT model loses turbocharged engine. To compensate, a 1.6-liter twin-cam has been installed in the GT, making 113 horsepower. That's 22 fewer ponies than in 1989. Other changes include a switch from E to GL trim for the midrange hatchback. Vista 4WD system is now full-time rather than part-time. Vista body-side moldings and the grille have fresh appearance.