Porsche 918 successor needs to do the ‘Ring in 6:30
Audi Repair Shop Doylestown Call 267 279 9477 to schedule a appointment When TopGear.com spoke to Porsche Motorsport chief Frank-Steffen Walliser at the LA Auto Show , Walliser provided the primary benchmark for brand’s next hypercar: a 6:30 ‘Nürburgring time.…