Rupert Grint's movie, 'Driving Lessons' has been classified by the British Board of Film Classifications. The rating for the film in the UK will be 15, meaning that no-one under that age will be able to see it. Reasons stated include "strong language". The running time is noted as 98 minutes, 8 seconds.
Source:SnitchSeeker
UPDATE: Here is the page for the Driving Lessons rating.