In 1908 the Model T could do 45mph.
In 1935 the Auburn 851 S/C Speedster hit 100mph
In 1955 the Mercedes-Benz 300 SL Gullwing did 161mph
In 2025 the Yangwang U9 Xtreme hit 308mph
progress is a decaying exponential - Tsiolkovsky's tyranny
These specific points look like a line if you plot
And all these improvements past 1935 have been rendered irrelevant to the daily driver by safety regulations (I'll limit this claim to most of the continental US to avoid straying beyond my experience.)