If you’ve only had it up to 75mph on the motorway, I suppose that could mean a 3-5% difference in mpg than getting it up to 80mph and staying there whilst on the motorway. I guess if you anticipate the road ahead well and come off the throttle early when approaching a junction/roundabout/static traffic then the other parts of the way you drive (a little more light-footed than me) will probably have you a bit more economical than me. 45mpg actual on your 140TDI DSG Scirocco was about the same as I was getting on my 170TDI manual Scirocco. I suppose the extra power and associated thirst on mine was mitigated by the DSG fuel penalty on yours.
I am finding with every generation of TDI that they drive more and more like a petrol car in the way that now there seems to be a large penalty for putting your foot down. In the old PD units, they pretty much gave the same MPG whether you hammered it or drove reasonably carefully (so I hammered it).
Still seeing off the DPF regens? They seem to be fewer and further between as the miles were going on. I think I had 3 in my first 400 miles, and another one 400 miles later – I am also at around 850-870 miles.
I never really saw an appreciable gain on my Scirocco. Maybe if you’re gentle with the car you get a slow and gradual run in, with the gains stretched out over a longer period, whereas if you’re not so gentle (but not really mean either), you see those gains level out over a much shorter period. I think my Scirocco literally gained about 2mpg on the longer journeys and next to nowt on the shorter ones as the miles went on.