Dail race times

They are the same. However, the top of the leaderboards may be misleading if you're looking at that for ideas on which cars to use. In Gr.4 @ Sardegna, the previously overpowered Hyundai N is now noticeably slower and there's some anecdotal evidence the gear ratios and/or optimal shift points have been altered without specific mention in the patch notes. For example, using an Automatic Transmission, the car will change from 2nd to 3rd at 128 km/h in 1.72 where it was 118 km/h in 1.71. Shifting down is a similar story; 116 km/h in 1.71, and 101 km/h in 1.72.

The patch notes only state:
"2. Physics Simulation Model
　- Adjusted the suspension and differential gear default settings for the following car categories:
　　・Gr.1
　　・Gr.2
　　・Gr.3
　　・Gr.4"
Clearly, this does not fully account for the AT shift point change or the noticeable lack of acceleration (this can be seen in the data logger) on straight and level tarmac, regardless of transmission choice.

A lot of trial and error is likely due, as any shift point reference you used in 1.71 or previous **MAY** be in error.