CATALUNYA CIRCUIT, Spain - Williams has the fastest Formula 1 car in 2015, according to speed-trap data during testing in Barcelona, Spain earlier in February.
Valtteri Bottas' recorded 337.5km/h at the Catalunya circuit. This demonstrated not only the power of the Mercedes engine but also the low drag of Williams' FW37 car.
Just one click behind was the new Lotus, now also powered by Mercedes, after struggling in 2014 with Renault power. Romain Grosjean set the fastest lap at Catalunya.