It is dependent on what model of Buick and whether it is equipped with steel or alloy wheels.
Wheel nut torque is listed as 90Nm for the entire Forester range
140 ft. lbs.
76 ft/lbs
80 ftlbs
95 ft lbs
475 ft lbs
100 pounds
Lug Nut (Bolt) Torque 110nm (80 ft-lbs)
Lug nut torque 1997 gmc k1500
The lug nut torque for that 1993 Volvo 960 is 63 ft.lbs.
83 - 113 ft-lbs.
65.7 ft-lbs (90 N*m)