Silverstone Auctions Ltd Lot soldUSD 545 - 817GBP 400 - 600 (listed)EstimateUSD 545 - 817GBP 400 - 600 (listed) See all lots Porsche 3.2 Carrera Rear Wing. Silverstone Classic Sale 2018 | 21 July Summary Lot number 383 Location Description Guide price: £400 - £600. <p>A Porsche 3.2 Carrera rear wing for the 1989 model year. Used, complete and in excellent condition with black rubber lip and painted in Grand Prix White.</p>