performance figures for the 991R.
0-40kph: 1.5
0-100kph: 4.0
0-160kph: 8.0
0-200kph: 11.9
18m slalom: 72.8 kph
100-0kph: 34.6 m
200-0kph: 133.0 m
991R has 500PS.
https://www.flickr.com/photos/dedethecollector/albums/72157671009089916/with/28250143271/