S24, E3: Matt LeBlanc's review of the Aston Martin DB11 is thwarted by Chris Harris and a very evil Mercedes. Elsewhere, Rory Reid and Sabine Schmitz go supercar-hunting on Germany's fearsome Nurburgring race circuit with the help of the VW Golf Clubsport S, while actress Tamsin Greig takes to the Top Gear track in the new Reasonably Fast Car.