Koenigsegg Agera RS is Fastest Car- for now
 

Its two run average was 277.9 mph., a new Guiness World Record for a production car. Done on 11 miles of police-closed public highway in Nevada. Watch video of its first 271mph run, and then its second run of over 284 mph. Beats Bugatti Veyron's record speed of 268mph.

https://www.digitaltrends.com/cars/k...n=weekly-brief