Thats about 2 seconds 2 slow.
You should be around 8.0-8.5 seconds 0-100km/h, and about 16.5 in the 1/4 mile, stock.
Contours, Cougars and Mystiques equipped with the ATX are about 1 second slower to 100km/h, and 1 second slower through the 1/4 mile than MTX equipped cars.
Hope that helps.
Mike