Tiff and Jason put the sportier versions of BMW M3 and the Mercedes-Benz C63 AMG head-to-head. Ex-Stig Ben Collins goes drag racing in a mid-level dragster. Vicki drives the Bentley Continental SuperSports Convertible on “one of the best roads in Europe” in Northern Ireland. Jonny attempts to set some small engine speed records using a Skoda Fabia vRS
