I would suggest test drive the two back to back. Which is what I did, and far prefered the Hybrid, so bought one, I thought the sharper acceleration, better mpg, and funky gadgets were worth the extra £1500
So I now own a hybrid and the acceleration to FIFTY mph is pretty quick, however the 50-60 acceleraton isn't quite as rapid, so that affects the 0-60 time, so I guess the torque curve levels out a bit at around 50mph.
The Hybrid I test drove was SILENT up to 5mph moving off on the electric motor, however the car I now own, does not move off on the electric motor, it seems as if the electric motor helps out when the petrol engine needs a boost, like sharp acceleration, or uphill driving.
Bear in mind that the mpg, mph figures are based on lab tests and not on road testing, personally I think the hybrid can easily beat the 11 seconds advised, as I regularly have learners keeping up with the BMWs on dual carriageways, especially now that my car has loosened up a bit as its reached 32k now, and thats with a non-aerodynamic roof sign too.
Book those test drives . . . .