[kylec]

Porsche is conservative with their reported 0-60 numbers. People that have tested it are able to get 2.5s. Look at the first two columns of times in the table here:

https://en.wikipedia.org/wiki/List_of_fastest_production_car...

[justin66]

Rollout can account for 0.1 or 0.2 of a second, and that table kind of hand-waves it away: "Some measurements exclude the first foot-rollout."