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 E... (more)urope” in Northern Ireland. Jonny attempts to set some small engine speed records using a Skoda Fabia vRS