Here are the independent figures from the back of Evo:
Cup. 0-60 = 6.5, 0-100 = 17.7, bhp/tonne = 171
182. 0-60 = 6.6, 0-100 = 17.5, bhp/tonne = 168
As far as I know those figures are 2 up and with a full tank of fuel. I think they do a number of runs in opposite directions to cancel out the wind and take the average of the best run in each direction.
Who knows what they do 1 up and with half a tank. Autocar timed the 182 to 60 in 6.3...