Time for a comparison.
New(left)
175/65/15 84H
Dunlop Fastresponse
A rain / C consumption
Forged aluminum rim
27 lbs or 12,4 kg
Old (right)
195/55/15 85H
Bridgestone Turanza
B rain / C consumption
Standard alloy rims
32 lbs or 14,6 kg
Difference in height seems significant. All the more because the old one has already lost a lot of profile.
Difference in numbers (taking into account the reduced profile of the old tire)
