McLaren Senna vs 720S - which is more fun?

There are good days at the office, and then there are days where your only job is to thrash a pair of McLaren supercars around a scenic, coastal circuit. The team at Autocar has been putting the 720S head-to-head with its more expensive, track-focused sibling lately, but the comparison has been purely numbers-based. In the final instalment of the four-part series, Dan Prosser throws science to the wind and flogs the two cars around around a track to see which is more fun.