yeah i have one too .. i gave it to my sister- go to www.edmunds.com and look for the used cars button .. go to year. . then to. . shoot i'll just do it .. http://www.edmunds.com/used/1991/toy...nav..6.Toyota*

there
Base Number of Cylinders: 4 Base Engine Size: 2 liters
Base Engine Type: Inline 4 Horsepower: 115 hp
Max Horsepower: 5200 rpm Torque: 124 ft-lbs.
Max Torque: 4400 rpm Drive Type: FWD
Turning Circle: 34.8 ft.

and here=) and that "power button" just makes the transmission shift faster