EnlargeNextEV reader comments 0 Share this story Zero to sixty. Horsepower per kilogram. Nürburgring lap times. All great ways of bench-racing cars in order to win arguments in the pub (or on an Internet forum). And if the latter is your go-to yardstick for performance, there's a new king of the electric vehicles in town: the NextEV Nio EP9. NextEV...