Here's the speed ratings if anyone's interested.
N - 87 mph (140.01 km/h)
P - 94 mph (151.28 km/h)
Q - 100 mph ( 160.93 km/h)
R - 106 mph ( 170.59 km/h)
S - 112 mph ( 180.25 km/h)
T - 118 mph ( 189.90 km/h)
U - 124 mph ( 199.56 km/h)
H - 130 mph ( 209.21 km/h)
V - 149 mph ( 239.79 km/h)
Z - 168 mph ( 270.37 km/h)
Anything higher than Q rating for a winter tire isn't really necessary IMO.
N - 87 mph (140.01 km/h)
P - 94 mph (151.28 km/h)
Q - 100 mph ( 160.93 km/h)
R - 106 mph ( 170.59 km/h)
S - 112 mph ( 180.25 km/h)
T - 118 mph ( 189.90 km/h)
U - 124 mph ( 199.56 km/h)
H - 130 mph ( 209.21 km/h)
V - 149 mph ( 239.79 km/h)
Z - 168 mph ( 270.37 km/h)
Anything higher than Q rating for a winter tire isn't really necessary IMO.