It looks like the ugly Veyron has, at least unofficially (or officially, in the metric system) reached that distinction.
According to the Veyron Wiki entry:
"Engine output: According to Volkswagen Group and certified by TÜV Süddeutschland, the final production Veyron engine produces 1,001 metric horsepower (736 kW; 987 bhp) of motive power, and generates 1,250 newton metres (922 lbf·ft) of torque.[2][24] The nominal figure has been stated by Bugatti officials to be conservative, with the real total being 1,020 metric horsepower (750 kW; 1,006 bhp)."
(But as to looks.... ugh!)
