Started saving up for your $845,000 purchase next fall yet? Yeah, neither have we. But we're at least considering it once again -- albeit not for very long -- thanks to a sneaky videographer that caught the dapper Porsche 918 Spyder winding around the turns of the Nürburgring in Germany. Packing a V8 with two electric motors, the super car can hit 60MPH in a hair over