Touched the red button in the steering wheel, with a roar the 2.9 V6 biturbo comes to life. Press the clutch (of the hard ones) and, with a strong movement of the wrist, the short gear lever inserts the first one. It starts. A few corners to gain confidence, the weather is stormy (gray clouds, rain showers, a blade of the sun) like this Alfa impatient to devour the asphalt. Confidence, however, the Alfa Romeo Giulia Quadrifoglio: how much it takes to get up the pace, going from Natural to Dynamic mode of the Dna system. The curves of the Balocco track pass fast, faster and faster. It seems to brush them: the steering is direct and sensitive, the flat attitude. In output the engine catapults forward in a crescendo of turns and also … of “voice”. But the tire grip of 19 “(standard) is there. We let ourselves get a little ‘hand: the car is agile (they are not then many 1524 kg of weight) and stable, but we get “long” to a detached. The pliers bite decided carboceramic disks (7,500 euros) and, thanks to the electronically controlled suspension (standard), the Alfa Romeo Giulia Quadrifoglio does not break up too much and entry into the curve is better than expected. Let’s try the most powerful mode of the Dna device: the Race, exclusive to the Quadrifoglio. The “electronic reins” to 510 horses are even more loose: the Giulia lengthens, always lengthens, is even more reactive and, to test the limits, you need a savvy expertise of the steering wheel. Difficult to doubt the performance that the house promises (a peak of 307 km / h and only 3.9 seconds in the “0-100”); more challenging seems to match the average approved distance, of 11.8 km / l (who will be able to resist the temptation to tread decisively on the gas?). Like all good things, even this test ends soon: not so much, however, not to allow us to understand that the Alfa Romeo Giulia Quadrifoglio is exactly what it promises to be, that is a great tourism doc, only with two extra doors . Docile if you want (but do not expect a soft sedan comfort, friction and suspension are still aimed at sportsmanship), allows you to achieve high performance with ease, but to take advantage of all the potential, you need skills.