Last but certainly not least, the impressive increase in power on the twin turbo engine versus a conventional normally aspirated six - cylinder engine comes without a significant increase in fuel consumption. (bmwusanews.com)
So far only much larger engines were able to provide comparable power and performance, in most cases with a corresponding increase in fuel consumption. (topspeed.com)
Normally, this level of power output would require a correspondingly high increase in fuel consumption. (press.bmwgroup.com)