Fastest Way Across London

Richard tests the Aston Martin's V8 Vantage against a jet-pack man. Who will win the Top Gear race from congested West London to London City Airport – James in the new Mercedes GL500, Richard on the latest, state-of-the-art bicycle, Stig on public transport, or Jeremy in a racing speedboat? Jeremy drives the new Caparo T1. The X Factor judge Simon Cowell is the Star In a Reasonably Priced Car.