German automaker Audi has introduced a new plug-in hybrid powertrain for the A5. This new Audi A5 with PHEV powertrain comes with an "e-hybid" suffix and is offered in both sedan and estate body styles.' Powering the new Audi A5 e-Hybrid is a 252PS 2.0-litre, four-cylinder turbo-petrol engine that comes paired with a 142PS…