That is true! Hyundai i20 scores better scores for upmarket interrior and its sportiniess. So far I have not heard any one mentioning about the lag in i20. FE is also in par with Punto. Some feels like i20 is better looking. On the other hand, FIAT's engines are well established and proven. Interior could have been better in at least this 90HP version, to be honest. Just giving a red stwich is not good enough. End of the day, both are VFM! A deal, for which its buyers will never regret!
Only difference is 1st gear (and also 2nd gear in FGT) in Punto is small, so it feels little sluggish (also reason for 0-100KM timing difference with others), but once you know when to upshift, you will not feel it sliggish or you won't feel the lag. But again once you are in comfortable zone (2nd or 3rd gear) Punto's acceleration will beat i20. Quick test drive of 4-5 KM in city you will never like Punto. You need to drive a bit more to feel comfortable with it, then the whole perception changes.
Punto's FE is decent. No body has reported here the FE of i20.