It’s often referred to as the most dynamically rewarding Porsche 911 of all, the lightweight 2.7-litre Renne Sport (RS) of 1973 – and the early example pictured here is expected to fetch around NZ$2.5m when it goes under the hammer on October 27. Auction house RM Sothebys says it is the second of nine prototype RS models built before production of the RS proper began late in … [Read more...] about Prototype Porsche 911 RS likely to sell at auction for $NZ2.5m