The relentless nature of the competition in the compact executive segment has been highlighted in the past year with the introduction of a brand new C-Class Mercedes, a completely revamped 3 Series from BMW, the arrival of a completely new contender in the shape of the Jaguar XE and finally as 2015 shuts the blinds on a very busy 12 months, Audi has further upped the ante with its’ all-new A4.