James recaps on show 5, behind-the-scenes (series 17, episode 5)
Here's what happened in the show you just missed...
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Our tame racing driver takes Aston’s littlest V12 for a lap of our trackWatch video >
It looks like an old Porsche. It sounds like an old Porsche. In many ways it is an old Porsche... except it's really a new one. Confused? Allow James to explain.Watch video >