I did not notice anything unusual in that video clip, these engines are a bit rough sounding, probably a lot rougher than the previous 1.4 16V engines like the BBY 75PS engine for example. They make a lot of noise when driving but seem to work a lot better than the earlier ones. I was in a work mate's Jeep Compass and it has a petrol engine - now that really sounds like a diesel engine. I thinking about buying my wife a Polo with that engine, though the Polo will have enough soundproofing to cover up that noise - I hope!
The thing is, modern engines do not always sound smooth as it is expected that the soundproofing will cover up most of the noise, my 2011 Audi S4 3.0TFSI (V6), sounds rougher when standing at the front of the car with the bonnet open, than my previous 2000VW Passat 2.8 V6, I suppose that is progress!
