BMW claim an auto XLine 2015 2.0 Diesel X3 should return 53 mpg on the urban EU cycle.
After 6000 miles the best I've seen is low 40's driving mixture of roads and distances but largely in ECOPRO. My X3 carries a little extra weight with a tow bar and sunroof and runs on 19 inch wheels which will affect mpg but 53 feels totally unattainable.
Also I noticed 53 or 5.3 litres/100 km is quoted on BMW's German, French, Swedish and UK web sites even though UK doesn't get Coasting mode which must affect economy.
Feels like I've been misled by BMW in a way not disimilar to VW's emissions claims
Anyone regularly getting 53 mpg in UK?