Beat me to this one. Not to say I have done 60mpg (cos it's simply not possible, you'd struggle to do that in a 1.4 diesel) but, After filling the car to it's 9.9 gallon capacity and driving at the speed limits (running the car in period) I averaged 33.7mpg. That had the occasional 4-5k revving but not any thrashing.
As mentioned a while back by Dave ST (now TDi) if you get 30mpg you're lucky.
He's spot on with that cos i've no doubt that the ST, if driven a little sprightly, will never do 30mpg, period.
Oh, by the way, I STILL love my