Originally Posted by JME

Change gear ratio
(1st gear) 3.636
(2nd gear) 2.375
(3rd gear) 1.761
(4th gear) 1.346
(5th speed) 1.062
(6th speed) 0.842
(Retreat) 3.545
Reduction gear ratio 3.900

http://www.subaru-sti.co.jp/s202/data_spec.html (translated on babelfish)