Um, we're sure there's something sensible to be said about this Porsche concept, but we're not altogether capable of coherent expression at present. We want to own one of these so badly, we don't even care if it has an engine. And boy does the 918 Spyder have an engine. A 6.2 liter V8 petrol burner is combined with electric motors to put out 500bhp, while featuring the mind-altering acceleration to go from a standing start to 62mph in just 3.2 seconds. Topping out at 198mph and offering a very respectable 78mpg fuel economy, this is pretty much the stuff dreams are made,