Comparison between the R-Rated and the Unrated version. Both versions can be found on the US-DVD which was used for this comparison.

60.13
We see the guy in a close up kissing Charlotte`s breast.
11 sec

60.36
The guy and Sarah keep kissing Charlotte's body. They touch her body with their tongues.
Instead, the R-Rated shows the shot which has just been described and which seemed to be missing in the R-Rated version. However, it is only shown in a shortened form.
6 sec

60.50
Two more shots are missing. One of the three of them and one of Charlotte.
11 sec

61.25
The vampire's naked body can be seen from behind.
1.5 sec

70.08
Two shots of the lovers are missing.
6 sec

71.04
Further shots are missing.
33 sec

77.33
Charlotte keeps grabbing Sarah's crotch.
3 sec