1988 Sauber Mercedes-Benz C9

 
1989 Sauber C9, Le Mans (low downforce) High downforce configuration (Sprint):

Downforce:
2756 lbs. @ 150 mph, with 689 lbs. of drag
3968 lbs. @ 180 mph, with 992 lbs. of drag
4899 lbs. @ 200 mph, with 1225 lbs. of drag

Lift-to-drag ratio: 4.0:1 (Sprint)
Lift-to-drag ratio: 3.0:1 (Le Mans)

Reference:  Karl Ludvigsen's Mercedes Benz: Quicksilver Century

ęCopyright 2004, Michael J. Fuller