SSC Tuatara claims the fastest production-car speed record, this time for real

America can rest easy. The SSC Tuatara is now officially the fastest production car in the world. It had an average two-way speed of 282.9 mph (455.3 kph) to eclipse the Koenigsegg Agera RS' 277.87 mph record, which took place in 2017. After botching its first and second runs, SSC made its third attempt on January 17 of this year …