Consumption V60 DRIVe

Hello the V60 DRIVe is stated in the brochure with 4.5 Ltr. consumption. That this will probably be hard to achieve in practice is actually clear to me. With fuel monitor, however, consumptions of some over 7 liters are! Even a D3 comes out with less. What do the experiences here in the forum with the DRIVe look like? Oh yes, at Heico there is a power kit for the DRIVe – after that it consumes also much more. Did always that if there is more torque, it is less acidic??? Thanks and Gruss Stephan