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Unfortunately the pages are in Italian only, but the graphs and the numbers are pretty clear and understandable.
Torque is in Nm and power in KW.
Multiply KW by 1.35 to get HP.
Multiply Nm by 0.73 to get foot pounds.
Torque=Coppia, Power=Potenza.
The more powerful 'HP' version is however less eco-friendly than the regular one, it would meet the Tier2 Bin5 standards, and in fact it is only and Euro5+ (see http://goo.gl/Fqw3Fi for more info on those standards).
BTW, contrary to what the video says, VM Motori is fully owned by FCA now, as of October 2013 (http://en.wikipedia.org/wiki/VM_Motori)