Not sure what constitutes "fastest car"...0-60, Nurburgring time, 0-100, 1/4 mile, top speed.... the "fastest" to me is the one that does the majority of these well, although top speed, imo, is redundant. A Veyron is fast in a straight line but would get it's doors vacuumed off by any number of cars on the track. Anyway, someone always has a faster car than the one you(I) have...
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A person convinced against their will is of the same opinion still.