The secret to the little car's success, besides being surprisingly light and making more than 1,000 horsepower, is its fan system for producing enormous downforce at every speed. This week ...

Its best-selling car is the Q5, which Audi chose to build ... A spokesperson told Top Gear the "handmade in Britain" cachet matters a lot to US buyers, so it isn't even considering a US plant.

Nobody in 2004 could ever have predicted that the F1 car record would be surpassed ... and for two decades it has reigned over the Top Gear track as its king. Today that throne is in shambles ...