The Stig races the Mercedes-AMG GT S around the Top Gear Test Track. The Stig set a time of 01:17.5, which makes it the fastest Mercedes on the Top Gear .<br />The Stig races the Porsche Cayman GTS around the Top Gear Test Track. The Stig set a time of 1:21.6. Subscribe for more awesome Top Gear videos: .<br />Jeremy test drives the Mercedes Brabus SL Bi-Turbo Roadster before handing it over to the Stig. It may have a volcano under the bonnet but can it power its way .<br />The Stig sets a scorching time in the new £1 million Ferarri FXX, but is it fast enough to take top spot on the power lap leader board? Subscribe for more .
