Re: Results speak for themselves.
@jmch said "Red Bull have design genius Newey who can get a super-performing car even with an underpowered engine"
Adrian Newey is indeed a design genius, but although that Renault engine was down on absolute power it was reputed to be more driveable and (I think) fuel-efficient than the Mercedes and Ferrari engines. As usual, the headline numbers don't tell the whole story.