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The new Chiron claims to be capable of a top speed of 463 kmph, but to date has only clocked 420 kmph on video. The Chiron was put to the test driven by Juan Pablo Montoya speeding from standstill to 399.9 kmph in under 42 seconds over a distance of 8,600 feet. Koenigsegg put the Agera RS to the test accomplishing the same feat in 36.4 seconds and at 8,009 feet.